GSD-2021-26473
Vulnerability from gsd - Updated: 2023-12-13 01:23Details
In VembuBDR before 4.2.0.1 and VembuOffsiteDR before 4.2.0.1 the http API located at /sgwebservice_o.php action logFilePath allows an attacker to write arbitrary files in the context of the web server process. These files can then be executed remotely by calling the file via the web server.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2021-26473",
"description": "Vembu BDR Suite before 4.2.0 allows Unauthenticated file write via a GET request that specifies a file\u0027s name and content.",
"id": "GSD-2021-26473"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2021-26473"
],
"details": "In VembuBDR before 4.2.0.1 and VembuOffsiteDR before 4.2.0.1 the http API located at /sgwebservice_o.php action logFilePath allows an attacker to write arbitrary files in the context of the web server process. These files can then be executed remotely by calling the file via the web server.",
"id": "GSD-2021-26473",
"modified": "2023-12-13T01:23:33.751683Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "cve@mitre.org",
"DATE_PUBLIC": "2021-07-07T10:49:00.000Z",
"ID": "CVE-2021-26473",
"STATE": "PUBLIC",
"TITLE": "Unauthenticated arbitrary file upload and command execution in Vembu products"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "n/a",
"version": {
"version_data": [
{
"version_value": "n/a"
}
]
}
}
]
},
"vendor_name": "n/a"
}
]
}
},
"credit": [
{
"lang": "eng",
"value": "Discovered by Wietse Boonstra"
},
{
"lang": "eng",
"value": "Addional research by Frank Breedijk"
}
],
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "In VembuBDR before 4.2.0.1 and VembuOffsiteDR before 4.2.0.1 the http API located at /sgwebservice_o.php action logFilePath allows an attacker to write arbitrary files in the context of the web server process. These files can then be executed remotely by calling the file via the web server."
}
]
},
"generator": {
"engine": "Vulnogram 0.0.9"
},
"impact": {
"cvss": {
"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"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "n/a"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://csirt.divd.nl/cases/DIVD-2020-00011/",
"refsource": "CONFIRM",
"url": "https://csirt.divd.nl/cases/DIVD-2020-00011/"
},
{
"name": "https://csirt.divd.nl/2021/05/11/Vembu-zero-days/",
"refsource": "CONFIRM",
"url": "https://csirt.divd.nl/2021/05/11/Vembu-zero-days/"
},
{
"name": "https://www.wbsec.nl/vembu",
"refsource": "CONFIRM",
"url": "https://www.wbsec.nl/vembu"
},
{
"name": "https://csirt.divd.nl/cves/CVE-2021-26473/",
"refsource": "CONFIRM",
"url": "https://csirt.divd.nl/cves/CVE-2021-26473/"
}
]
},
"source": {
"advisory": "DIVD-2020-00011",
"discovery": "EXTERNAL"
}
},
"nvd.nist.gov": {
"configurations": {
"CVE_data_version": "4.0",
"nodes": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:a:vembu:bdr_suite:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "4.2.0.1",
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:a:vembu:offsite_dr:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "4.2.0.1",
"vulnerable": true
}
],
"operator": "OR"
}
]
},
"cve": {
"CVE_data_meta": {
"ASSIGNER": "cve@mitre.org",
"ID": "CVE-2021-26473"
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "en",
"value": "In VembuBDR before 4.2.0.1 and VembuOffsiteDR before 4.2.0.1 the http API located at /sgwebservice_o.php action logFilePath allows an attacker to write arbitrary files in the context of the web server process. These files can then be executed remotely by calling the file via the web server."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "en",
"value": "CWE-434"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://csirt.divd.nl/2021/05/11/Vembu-zero-days/",
"refsource": "MISC",
"tags": [
"Third Party Advisory"
],
"url": "https://csirt.divd.nl/2021/05/11/Vembu-zero-days/"
},
{
"name": "https://csirt.divd.nl/cves/CVE-2021-26473/",
"refsource": "MISC",
"tags": [
"Third Party Advisory"
],
"url": "https://csirt.divd.nl/cves/CVE-2021-26473/"
},
{
"name": "https://csirt.divd.nl/cases/DIVD-2020-00011/",
"refsource": "MISC",
"tags": [
"Third Party Advisory"
],
"url": "https://csirt.divd.nl/cases/DIVD-2020-00011/"
},
{
"name": "https://www.wbsec.nl/vembu",
"refsource": "MISC",
"tags": [
"Broken Link",
"Third Party Advisory"
],
"url": "https://www.wbsec.nl/vembu"
}
]
}
},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"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,
"severity": "HIGH",
"userInteractionRequired": false
},
"baseMetricV3": {
"cvssV3": {
"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
}
},
"lastModifiedDate": "2022-04-22T19:10Z",
"publishedDate": "2021-06-08T19:15Z"
}
}
}
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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.
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