CVE-2021-34582 (GCVE-0-2021-34582)
Vulnerability from cvelistv5 – Published: 2021-11-10 11:22 – Updated: 2024-09-16 20:11
VLAI
EPSS
VEX
Title
Phoenix Contact: FL MGUARD XSS through web-based management and REST API
Summary
In Phoenix Contact FL MGUARD 1102 and 1105 in Versions 1.4.0, 1.4.1 and 1.5.0 a user with high privileges can inject HTML code (XSS) through web-based management or the REST API with a manipulated certificate file.
Severity
4.8 (Medium)
CWE
- CWE-79 - Cross-site Scripting (XSS)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://cert.vde.com/en/advisories/VDE-2021-046/ | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| PHOENIX CONTACT | FL MGUARD |
Affected:
1.4.0 , < FL MGUARD 1102 (No. 1153079)*
(custom)
Affected: 1.4.0 , < FL MGUARD 1105 (No. 1153078)* (custom) |
guessed |
Date Public
2021-11-10 00:00
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-04T00:19:46.997Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://cert.vde.com/en/advisories/VDE-2021-046/"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "FL MGUARD",
"vendor": "PHOENIX CONTACT",
"versions": [
{
"lessThan": "FL MGUARD 1102 (No. 1153079)*",
"status": "affected",
"version": "1.4.0",
"versionType": "custom"
},
{
"lessThan": "FL MGUARD 1105 (No. 1153078)*",
"status": "affected",
"version": "1.4.0",
"versionType": "custom"
}
]
}
],
"datePublic": "2021-11-10T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "In Phoenix Contact FL MGUARD 1102 and 1105 in Versions 1.4.0, 1.4.1 and 1.5.0 a user with high privileges can inject HTML code (XSS) through web-based management or the REST API with a manipulated certificate file."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 4.8,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "HIGH",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-79",
"description": "CWE-79 Cross-site Scripting (XSS)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2021-11-10T11:22:04.000Z",
"orgId": "270ccfa6-a436-4e77-922e-914ec3a9685c",
"shortName": "CERTVDE"
},
"references": [
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://cert.vde.com/en/advisories/VDE-2021-046/"
}
],
"solutions": [
{
"lang": "en",
"value": "PHOENIX CONTACT recomments to upgrade to firmware version 1.5.1 (or any later version)."
}
],
"source": {
"advisory": "VDE-2021-046",
"discovery": "UNKNOWN"
},
"title": "Phoenix Contact: FL MGUARD XSS through web-based management and REST API",
"workarounds": [
{
"lang": "en",
"value": "If an untrusted user may have exploited the vulnerability, it is recommended to revoke access for that user, and to re-upload the certificates on the Basic settings \u003e LDAP and Logs \u003e Remote logging pages through the REST API (i.e., without viewing these pages in the web-based management)."
}
],
"x_generator": {
"engine": "Vulnogram 0.0.9"
},
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "info@cert.vde.com",
"DATE_PUBLIC": "2021-11-10T11:00:00.000Z",
"ID": "CVE-2021-34582",
"STATE": "PUBLIC",
"TITLE": "Phoenix Contact: FL MGUARD XSS through web-based management and REST API"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "FL MGUARD",
"version": {
"version_data": [
{
"version_affected": "\u003e=",
"version_name": "FL MGUARD 1102 (No. 1153079)",
"version_value": "1.4.0"
},
{
"version_affected": "\u003c=",
"version_name": "FL MGUARD 1102 (No. 1153079)",
"version_value": "1.5.0 +1"
},
{
"version_affected": "\u003e=",
"version_name": "FL MGUARD 1105 (No. 1153078)",
"version_value": "1.4.0"
},
{
"version_affected": "\u003c=",
"version_name": "FL MGUARD 1105 (No. 1153078)",
"version_value": "1.5.0 +1"
}
]
}
}
]
},
"vendor_name": "PHOENIX CONTACT"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "In Phoenix Contact FL MGUARD 1102 and 1105 in Versions 1.4.0, 1.4.1 and 1.5.0 a user with high privileges can inject HTML code (XSS) through web-based management or the REST API with a manipulated certificate file."
}
]
},
"generator": {
"engine": "Vulnogram 0.0.9"
},
"impact": {
"cvss": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 4.8,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "HIGH",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-79 Cross-site Scripting (XSS)"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://cert.vde.com/en/advisories/VDE-2021-046/",
"refsource": "CONFIRM",
"url": "https://cert.vde.com/en/advisories/VDE-2021-046/"
}
]
},
"solution": [
{
"lang": "en",
"value": "PHOENIX CONTACT recomments to upgrade to firmware version 1.5.1 (or any later version)."
}
],
"source": {
"advisory": "VDE-2021-046",
"discovery": "UNKNOWN"
},
"work_around": [
{
"lang": "en",
"value": "If an untrusted user may have exploited the vulnerability, it is recommended to revoke access for that user, and to re-upload the certificates on the Basic settings \u003e LDAP and Logs \u003e Remote logging pages through the REST API (i.e., without viewing these pages in the web-based management)."
}
]
}
}
},
"cveMetadata": {
"assignerOrgId": "270ccfa6-a436-4e77-922e-914ec3a9685c",
"assignerShortName": "CERTVDE",
"cveId": "CVE-2021-34582",
"datePublished": "2021-11-10T11:22:04.699Z",
"dateReserved": "2021-06-10T00:00:00.000Z",
"dateUpdated": "2024-09-16T20:11:38.654Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2021-34582",
"date": "2026-11-06",
"epss": "0.00292",
"percentile": "0.21928"
},
"nvd": {
"cve": {
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:phoenixcontact:fl_mguard_1102_firmware:1.4.0:*:*:*:*:*:*:*",
"matchCriteriaId": "AA1C71EF-C44F-4661-83AA-B65B704AE0B4",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:phoenixcontact:fl_mguard_1102_firmware:1.4.1:*:*:*:*:*:*:*",
"matchCriteriaId": "1819CD97-D92F-42A0-B8DB-C13D0B8D93B2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:phoenixcontact:fl_mguard_1102_firmware:1.5.0:*:*:*:*:*:*:*",
"matchCriteriaId": "EF940FF8-56F3-40CB-B978-78C1F0985E87",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:phoenixcontact:fl_mguard_1102:-:*:*:*:*:*:*:*",
"matchCriteriaId": "093DE0FB-96BE-4971-A6A5-6404F02CB6CB",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:phoenixcontact:fl_mguard_1105_firmware:1.4.0:*:*:*:*:*:*:*",
"matchCriteriaId": "97534DA1-F536-454B-8ABD-B251A7B4AB9D",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:phoenixcontact:fl_mguard_1105_firmware:1.4.1:*:*:*:*:*:*:*",
"matchCriteriaId": "FE12A61D-73FD-423D-B7E5-C43EE7E4FC71",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:phoenixcontact:fl_mguard_1105_firmware:1.5.0:*:*:*:*:*:*:*",
"matchCriteriaId": "BD02E727-CC42-4965-BC35-23CF0B63338F",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:phoenixcontact:fl_mguard_1105:-:*:*:*:*:*:*:*",
"matchCriteriaId": "E72161DC-0AC0-4603-A0CB-73940B951D66",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In Phoenix Contact FL MGUARD 1102 and 1105 in Versions 1.4.0, 1.4.1 and 1.5.0 a user with high privileges can inject HTML code (XSS) through web-based management or the REST API with a manipulated certificate file."
},
{
"lang": "es",
"value": "En Phoenix Contact FL MGUARD 1102 y 1105 en Versiones 1.4.0, 1.4.1 y 1.5.0, un usuario con altos privilegios puede inyectar c\u00f3digo HTML (XSS) mediante una administraci\u00f3n basada en web o la API REST con un archivo de certificado manipulado"
}
],
"id": "CVE-2021-34582",
"lastModified": "2024-11-21T06:10:44.977",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "LOW",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "NONE",
"baseScore": 3.5,
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
"version": "2.0"
},
"exploitabilityScore": 6.8,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": true
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 4.8,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "HIGH",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N",
"version": "3.1"
},
"exploitabilityScore": 1.7,
"impactScore": 2.7,
"source": "info@cert.vde.com",
"type": "Secondary"
},
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 4.8,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "HIGH",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N",
"version": "3.1"
},
"exploitabilityScore": 1.7,
"impactScore": 2.7,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2021-11-10T12:15:15.227",
"references": [
{
"source": "info@cert.vde.com",
"tags": [
"Third Party Advisory"
],
"url": "https://cert.vde.com/en/advisories/VDE-2021-046/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://cert.vde.com/en/advisories/VDE-2021-046/"
}
],
"sourceIdentifier": "info@cert.vde.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-79"
}
],
"source": "info@cert.vde.com",
"type": "Secondary"
}
]
}
},
"redhat_vex": {
"current_release_date": "2026-03-27T13:55:26+00:00",
"cve": "CVE-2021-34582",
"id": "CVE-2021-34582",
"initial_release_date": "2021-11-10T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "Phoenix Contact: FL MGUARD XSS through web-based management and REST API",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-34582.json",
"version": "3"
}
}
}
Loading…
Loading…
Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
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.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
Loading timeline…
Loading…
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.