CVE-2021-37415 (GCVE-0-2021-37415)
Vulnerability from cvelistv5 – Published: 2021-09-01 05:29 – Updated: 2025-10-21 23:25Summary
Zoho ManageEngine ServiceDesk Plus before 11302 is vulnerable to authentication bypass that allows a few REST-API URLs without authentication.
Severity
9.8 (Critical)
SSVC
Exploitation: active
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-02-14 21:13 UTC
CWE
- n/a
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.manageengine.com | x_refsource_MISC |
| https://www.manageengine.com/products/service-des… | x_refsource_CONFIRM |
| https://www.cisa.gov/known-exploited-vulnerabilit… | government-resource |
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: f5372397-50cf-41d5-b36a-e4573f69c3f4
Exploited: Yes
Timestamps
First Seen: 2021-12-01
Asserted: 2021-12-01
Scope
Notes: KEV entry: Zoho ManageEngine ServiceDesk Authentication Bypass Vulnerability | Affected: Zoho / ManageEngine ServiceDesk Plus (SDP) | Description: Zoho ManageEngine ServiceDesk Plus before 11302 is vulnerable to authentication bypass that allows a few REST-API URLs without authentication | Required action: Apply updates per vendor instructions. | Due date: 2021-12-15 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://nvd.nist.gov/vuln/detail/CVE-2021-37415
Evidence
Type: Vendor Report
Signal: Successful Exploitation
Confidence: 80%
Source: cisa-kev
Details
| Cwes | CWE-306 |
|---|---|
| Feed | CISA Known Exploited Vulnerabilities Catalog |
| Product | ManageEngine ServiceDesk Plus (SDP) |
| Due Date | 2021-12-15 |
| Date Added | 2021-12-01 |
| Vendorproject | Zoho |
| Vulnerabilityname | Zoho ManageEngine ServiceDesk Authentication Bypass Vulnerability |
| Knownransomwarecampaignuse | Unknown |
References
Created: 2026-02-02 13:26 UTC
| Updated: 2026-02-06 07:53 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: e0f441e2-b131-4c9f-a715-22d417429bbc
Exploited: Yes
Timestamps
First Seen: 2021-12-01
Asserted: 2021-12-01
Scope
Notes: KEVIntel entry: Zoho ManageEngine ServiceDesk Plus before 11302 is vulnerable to authentication bypass that allows a few REST-API URLs without authentication. | Affected: Zoho / ManageEngine ServiceDesk Plus | CVSS: 9.8 (CRITICAL) | Used in malware: unknown | Not yet in CISA KEV: False
Evidence
Type: Public Report
Signal: Successful Exploitation
Confidence: 70%
Source: kevintel
Details
| Feed | KEVIntel (kevintel.com) |
|---|---|
| Title | Zoho ManageEngine ServiceDesk Plus before 11302 is vulnerable to authentication bypass that allows a few REST-API URLs without authentication. |
| Vendor | Zoho |
| Product | ManageEngine ServiceDesk Plus |
| Added Date | 2021-12-01T00:00:00.000Z |
| Cvss Score | 9.8 |
| Epss Score | None |
| Cvss Severity | CRITICAL |
| Epss Percentile | None |
| Used In Malware | unknown |
| Ahead Of Cisa Kev | None |
| Not Yet In Cisa Kev | False |
References
Created: 2026-06-23 11:13 UTC
| Updated: 2026-06-23 11:13 UTC
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-04T01:16:04.028Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://www.manageengine.com"
},
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://www.manageengine.com/products/service-desk/on-premises/readme.html#11302"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2021-37415",
"options": [
{
"Exploitation": "active"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-02-14T21:13:15.974037Z",
"version": "2.0.3"
},
"type": "ssvc"
}
},
{
"other": {
"content": {
"dateAdded": "2021-12-01",
"reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-37415"
},
"type": "kev"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-306",
"description": "CWE-306 Missing Authentication for Critical Function",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-10-21T23:25:35.777Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"government-resource"
],
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-37415"
}
],
"timeline": [
{
"lang": "en",
"time": "2021-12-01T00:00:00.000Z",
"value": "CVE-2021-37415 added to CISA KEV"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Zoho ManageEngine ServiceDesk Plus before 11302 is vulnerable to authentication bypass that allows a few REST-API URLs without authentication."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "n/a",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2021-09-01T05:29:11.000Z",
"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"shortName": "mitre"
},
"references": [
{
"tags": [
"x_refsource_MISC"
],
"url": "https://www.manageengine.com"
},
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://www.manageengine.com/products/service-desk/on-premises/readme.html#11302"
}
],
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "cve@mitre.org",
"ID": "CVE-2021-37415",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "n/a",
"version": {
"version_data": [
{
"version_value": "n/a"
}
]
}
}
]
},
"vendor_name": "n/a"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "Zoho ManageEngine ServiceDesk Plus before 11302 is vulnerable to authentication bypass that allows a few REST-API URLs without authentication."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "n/a"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://www.manageengine.com",
"refsource": "MISC",
"url": "https://www.manageengine.com"
},
{
"name": "https://www.manageengine.com/products/service-desk/on-premises/readme.html#11302",
"refsource": "CONFIRM",
"url": "https://www.manageengine.com/products/service-desk/on-premises/readme.html#11302"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"cveId": "CVE-2021-37415",
"datePublished": "2021-09-01T05:29:11.000Z",
"dateReserved": "2021-07-23T00:00:00.000Z",
"dateUpdated": "2025-10-21T23:25:35.777Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"cisa_known_exploited": {
"cveID": "CVE-2021-37415",
"cwes": [
"CWE-306"
],
"dateAdded": "2021-12-01",
"dueDate": "2021-12-15",
"forensicTriage": "No",
"knownRansomwareCampaignUse": "Unknown",
"notes": "https://nvd.nist.gov/vuln/detail/CVE-2021-37415",
"product": "ManageEngine ServiceDesk Plus (SDP)",
"requiredAction": "Apply updates per vendor instructions.",
"shortDescription": "Zoho ManageEngine ServiceDesk Plus before 11302 is vulnerable to authentication bypass that allows a few REST-API URLs without authentication",
"vendorProject": "Zoho",
"vulnerabilityName": "Zoho ManageEngine ServiceDesk Authentication Bypass Vulnerability"
},
"epss": {
"cve": "CVE-2021-37415",
"date": "2026-09-20",
"epss": "0.99825",
"percentile": "0.99959"
},
"nvd": {
"cve": {
"cisaActionDue": "2021-12-15",
"cisaExploitAdd": "2021-12-01",
"cisaRequiredAction": "Apply updates per vendor instructions.",
"cisaVulnerabilityName": "Zoho ManageEngine ServiceDesk Authentication Bypass Vulnerability",
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.0:11005:*:*:*:*:*:*",
"matchCriteriaId": "AA22E70B-F031-4ADA-B8CE-4B8FF6957F0F",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.0:11006:*:*:*:*:*:*",
"matchCriteriaId": "D79D1272-025B-40E2-BE9D-141577DC1FD0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.0:11007:*:*:*:*:*:*",
"matchCriteriaId": "725B0345-D7BD-4302-B81A-C17115FF1070",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.0:11008:*:*:*:*:*:*",
"matchCriteriaId": "2D0E9A21-D7CB-4129-925F-9D3105071FF2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.0:11009:*:*:*:*:*:*",
"matchCriteriaId": "01750E0E-29E5-4FFA-8194-813FA363467E",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.0:11010:*:*:*:*:*:*",
"matchCriteriaId": "E2C953DF-2F29-488E-B4DD-F64BA0BD6A39",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.0:11011:*:*:*:*:*:*",
"matchCriteriaId": "D8774F16-1A2C-4A91-B132-DE8B1D29DB43",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.1:-:*:*:*:*:*:*",
"matchCriteriaId": "298623A4-60DF-41F6-B2FD-ED84E6D2C06C",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.1:11100:*:*:*:*:*:*",
"matchCriteriaId": "523C554B-076C-4F59-A04B-92D57CDAF7E8",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.1:11101:*:*:*:*:*:*",
"matchCriteriaId": "3A85A576-6144-41DB-9ACF-1DD93D5A8852",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.1:11102:*:*:*:*:*:*",
"matchCriteriaId": "02EC45C8-CD28-4B2A-A1FA-1EA9F8B392F7",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.1:11103:*:*:*:*:*:*",
"matchCriteriaId": "1A4A02F3-4427-4E4C-9245-EF5D73A7AC71",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.1:11104:*:*:*:*:*:*",
"matchCriteriaId": "063D71A3-F1DF-486A-92E1-338C6D5C9E8E",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.1:11105:*:*:*:*:*:*",
"matchCriteriaId": "14A2C9CC-D434-41A7-A01A-03933675556A",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.1:11106:*:*:*:*:*:*",
"matchCriteriaId": "B283BD0B-22E3-4AD3-AE4B-07431DA00E5C",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.1:11107:*:*:*:*:*:*",
"matchCriteriaId": "42FDD0DE-EEE7-4D82-B9CA-EFA052728C7D",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.1:11108:*:*:*:*:*:*",
"matchCriteriaId": "DED26B68-E61F-4575-85AD-48EC2E128712",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.1:11109:*:*:*:*:*:*",
"matchCriteriaId": "F69FF4ED-AFCE-49A2-AD4C-E6A870FFA32D",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.1:11110:*:*:*:*:*:*",
"matchCriteriaId": "7AFCBA54-26E4-4C56-82BB-135FCA210419",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.1:11111:*:*:*:*:*:*",
"matchCriteriaId": "9B594A55-DBF5-4C3F-855F-843A7F26DFEF",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.1:11112:*:*:*:*:*:*",
"matchCriteriaId": "53E10E88-28AE-4F01-AE6E-C76CB3309F69",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.1:11113:*:*:*:*:*:*",
"matchCriteriaId": "1909D29B-7532-4C60-9F16-BD310022E2A9",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.1:11114:*:*:*:*:*:*",
"matchCriteriaId": "8B5FA504-BFA4-4740-A3C0-B917AF301E72",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.1:11115:*:*:*:*:*:*",
"matchCriteriaId": "2694C1E1-7596-4183-9B09-4BB5BA5C5551",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.1:11116:*:*:*:*:*:*",
"matchCriteriaId": "31A7FA61-399B-4778-828C-BB65548966AF",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.1:11117:*:*:*:*:*:*",
"matchCriteriaId": "E33CAA7E-2F7B-4833-94F6-6C0F607903CD",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.1:11118:*:*:*:*:*:*",
"matchCriteriaId": "81D5E4BB-41F6-46B7-98C7-43DE55785496",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.1:11119:*:*:*:*:*:*",
"matchCriteriaId": "8400D7D8-D03D-4A5C-B533-A640A648238D",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.1:11120:*:*:*:*:*:*",
"matchCriteriaId": "21E4107F-A0DC-4A53-9352-A442B563599C",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.1:11121:*:*:*:*:*:*",
"matchCriteriaId": "42B90217-2981-4B2A-BB29-BF36F4C1494F",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.1:11122:*:*:*:*:*:*",
"matchCriteriaId": "A96B5C8D-5689-405D-ADD7-8BA0E9755EB6",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.1:11123:*:*:*:*:*:*",
"matchCriteriaId": "0B621910-3AE7-4E92-9B6D-C015A8D4AC9F",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.1:11124:*:*:*:*:*:*",
"matchCriteriaId": "9E480891-A40B-4184-B06D-26EC583FBA41",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.1:11125:*:*:*:*:*:*",
"matchCriteriaId": "8D8905CE-F981-4034-8193-533A4930D518",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.1:11126:*:*:*:*:*:*",
"matchCriteriaId": "79FBA595-2CDC-45E8-8840-34D17F09A5FB",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.1:11127:*:*:*:*:*:*",
"matchCriteriaId": "D462AC9D-8731-49D9-A760-5013B496C8C3",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.1:11128:*:*:*:*:*:*",
"matchCriteriaId": "332AB05B-3DC2-493F-8DB8-7DA93531D9BC",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.1:11129:*:*:*:*:*:*",
"matchCriteriaId": "A9ED77FC-F359-48AA-8A48-4009B25992D4",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.1:11130:*:*:*:*:*:*",
"matchCriteriaId": "98C4DC91-985F-413E-9F6F-27E93C1125E5",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.1:11131:*:*:*:*:*:*",
"matchCriteriaId": "6841D87A-97FD-415B-931C-6407A36A1E96",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.1:11132:*:*:*:*:*:*",
"matchCriteriaId": "D1C4B37D-6983-430C-91C5-635D7EF51A5F",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.1:11133:*:*:*:*:*:*",
"matchCriteriaId": "4E959106-3183-4D8A-888D-6379DC33234D",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.1:11134:*:*:*:*:*:*",
"matchCriteriaId": "72C74691-300E-4CD7-AD57-594586B12669",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.1:11135:*:*:*:*:*:*",
"matchCriteriaId": "1F60565E-3BDA-4BE3-B013-1BF4469B8B1B",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.1:11136:*:*:*:*:*:*",
"matchCriteriaId": "6BD8A92A-AC27-4914-B36D-94829478D47A",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.1:11137:*:*:*:*:*:*",
"matchCriteriaId": "7ED4E888-2EFA-4F7F-9503-59F34FF720D2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.1:11138:*:*:*:*:*:*",
"matchCriteriaId": "106A06E5-56E8-41D3-A059-7DA6737DABAE",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.1:11139:*:*:*:*:*:*",
"matchCriteriaId": "401AEAD2-183D-4E55-94AD-D24A9BE46D61",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.1:11140:*:*:*:*:*:*",
"matchCriteriaId": "AD69D55A-3975-4F1E-8D6F-E0074F83CCBE",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.1:11141:*:*:*:*:*:*",
"matchCriteriaId": "417D6E6A-C16A-4A76-8D65-31340834233E",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.1:11142:*:*:*:*:*:*",
"matchCriteriaId": "1A040A5B-8C2A-4557-AB5E-1427B0F1E889",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.1:11143:*:*:*:*:*:*",
"matchCriteriaId": "207A81A8-02EF-4793-B047-46581BF7E60B",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.1:11144:*:*:*:*:*:*",
"matchCriteriaId": "194BEECD-F877-4D28-A534-E965D69C9EB9",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.2:-:*:*:*:*:*:*",
"matchCriteriaId": "E42B1B2B-7031-4DDA-B5D4-9D6A66BF6B23",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.2:11200:*:*:*:*:*:*",
"matchCriteriaId": "7D130762-4B49-4089-99A1-FEFD6B76AB8F",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.2:11201:*:*:*:*:*:*",
"matchCriteriaId": "CDC33E6B-81E2-4A15-8889-2CD709CF5E45",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.2:11202:*:*:*:*:*:*",
"matchCriteriaId": "E08A077E-B1AA-432A-B37A-AA603C8CD1FB",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.2:11203:*:*:*:*:*:*",
"matchCriteriaId": "69B73464-8627-4CCE-93CE-B312A9D7B35C",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.2:11204:*:*:*:*:*:*",
"matchCriteriaId": "51839FBE-A7E1-40FD-B44B-F9C8CA62E063",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.2:11205:*:*:*:*:*:*",
"matchCriteriaId": "7BE9BFCC-04AB-4053-949C-B2860E7E43B5",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.2:11206:*:*:*:*:*:*",
"matchCriteriaId": "A2062399-67EA-4368-9629-60E4A59DDB29",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.2:11207:*:*:*:*:*:*",
"matchCriteriaId": "E9841B62-4C50-4A3A-8B54-BB0AEC8B1AA2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.3:-:*:*:*:*:*:*",
"matchCriteriaId": "7C2035DC-3D54-4D0A-B18A-8D5FAA15CF45",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.3:11300:*:*:*:*:*:*",
"matchCriteriaId": "188135EF-9821-4325-A34F-AB6F430F5DDC",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:11.3:11301:*:*:*:*:*:*",
"matchCriteriaId": "DC971E05-D69B-4688-861D-3D6357726CB6",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Zoho ManageEngine ServiceDesk Plus before 11302 is vulnerable to authentication bypass that allows a few REST-API URLs without authentication."
},
{
"lang": "es",
"value": "Zoho ManageEngine ServiceDesk Plus versiones anteriores a 11302, es vulnerable a una omisi\u00f3n de autenticaci\u00f3n que permite algunas URLs REST-API sin autenticaci\u00f3n"
}
],
"id": "CVE-2021-37415",
"lastModified": "2025-10-31T17:13:49.943",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 7.5,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
},
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 5.9,
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
]
},
"published": "2021-09-01T06:15:06.530",
"references": [
{
"source": "cve@mitre.org",
"tags": [
"Product"
],
"url": "https://www.manageengine.com"
},
{
"source": "cve@mitre.org",
"tags": [
"Release Notes"
],
"url": "https://www.manageengine.com/products/service-desk/on-premises/readme.html#11302"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Product"
],
"url": "https://www.manageengine.com"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Release Notes"
],
"url": "https://www.manageengine.com/products/service-desk/on-premises/readme.html#11302"
},
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"tags": [
"US Government Resource"
],
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-37415"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-306"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-306"
}
],
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
]
}
},
"redhat_vex": {
"current_release_date": "2026-03-27T13:45:58+00:00",
"cve": "CVE-2021-37415",
"id": "CVE-2021-37415",
"initial_release_date": "2021-01-01T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "CVE-2021-37415",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-37415.json",
"version": "3"
},
"vulnrichment": {
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-04T01:16:04.028Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://www.manageengine.com"
},
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://www.manageengine.com/products/service-desk/on-premises/readme.html#11302"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2021-37415",
"options": [
{
"Exploitation": "active"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-02-14T21:13:15.974037Z",
"version": "2.0.3"
},
"type": "ssvc"
}
},
{
"other": {
"content": {
"dateAdded": "2021-12-01",
"reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-37415"
},
"type": "kev"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-306",
"description": "CWE-306 Missing Authentication for Critical Function",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-02-03T15:45:32.176Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"government-resource"
],
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-37415"
}
],
"timeline": [
{
"lang": "en",
"time": "2021-12-01T00:00:00.000Z",
"value": "CVE-2021-37415 added to CISA KEV"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Zoho ManageEngine ServiceDesk Plus before 11302 is vulnerable to authentication bypass that allows a few REST-API URLs without authentication."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "n/a",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2021-09-01T05:29:11.000Z",
"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"shortName": "mitre"
},
"references": [
{
"tags": [
"x_refsource_MISC"
],
"url": "https://www.manageengine.com"
},
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://www.manageengine.com/products/service-desk/on-premises/readme.html#11302"
}
],
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "cve@mitre.org",
"ID": "CVE-2021-37415",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "n/a",
"version": {
"version_data": [
{
"version_value": "n/a"
}
]
}
}
]
},
"vendor_name": "n/a"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "Zoho ManageEngine ServiceDesk Plus before 11302 is vulnerable to authentication bypass that allows a few REST-API URLs without authentication."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "n/a"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://www.manageengine.com",
"refsource": "MISC",
"url": "https://www.manageengine.com"
},
{
"name": "https://www.manageengine.com/products/service-desk/on-premises/readme.html#11302",
"refsource": "CONFIRM",
"url": "https://www.manageengine.com/products/service-desk/on-premises/readme.html#11302"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"cveId": "CVE-2021-37415",
"datePublished": "2021-09-01T05:29:11.000Z",
"dateReserved": "2021-07-23T00:00:00.000Z",
"dateUpdated": "2025-10-21T23:25:35.777Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
Loading…