CVE-2021-35252

Common encryption key appears to be used across all deployed instances of Serv-U FTP Server. Because of this an encrypted value that is exposed to an attacker can be simply recovered to plaintext.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-35252	Third Party Advisory
https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-3-2_release_notes.htm	Release Notes Vendor Advisory
https://www.solarwinds.com/trust-center/security-advisories/CVE-2021-35252	Patch Vendor Advisory
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-35252	Third Party Advisory
https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-3-2_release_notes.htm	Release Notes Vendor Advisory
https://www.solarwinds.com/trust-center/security-advisories/CVE-2021-35252	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:solarwinds:serv-u:*:*:*:*:*:*:*:*

History

21 Nov 2024, 06:12

Type	Values Removed	Values Added
References	~~() https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-35252 - Third Party Advisory~~	() https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-35252 - Third Party Advisory
References	~~() https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-3-2_release_notes.htm - Release Notes, Vendor Advisory~~	() https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-3-2_release_notes.htm - Release Notes, Vendor Advisory
References	~~() https://www.solarwinds.com/trust-center/security-advisories/CVE-2021-35252 - Patch, Vendor Advisory~~	() https://www.solarwinds.com/trust-center/security-advisories/CVE-2021-35252 - Patch, Vendor Advisory

07 Jul 2023, 19:19

Type	Values Removed	Values Added
CWE	~~CWE-798~~	CWE-287

Information

Published : 2022-12-16 16:15

Updated : 2024-11-21 06:12

NVD link : CVE-2021-35252

Mitre link : CVE-2021-35252

CVE.ORG link : CVE-2021-35252

JSON object : View

Products Affected

solarwinds

serv-u

CWE

CWE-798

Use of Hard-coded Credentials

CWE-287

Improper Authentication

{"id": "CVE-2021-35252", "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "psirt@solarwinds.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 3.9}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2022-12-16T16:15:16.297", "references": [{"url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-35252", "tags": ["Third Party Advisory"], "source": "psirt@solarwinds.com"}, {"url": "https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-3-2_release_notes.htm", "tags": ["Release Notes", "Vendor Advisory"], "source": "psirt@solarwinds.com"}, {"url": "https://www.solarwinds.com/trust-center/security-advisories/CVE-2021-35252", "tags": ["Patch", "Vendor Advisory"], "source": "psirt@solarwinds.com"}, {"url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-35252", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-3-2_release_notes.htm", "tags": ["Release Notes", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.solarwinds.com/trust-center/security-advisories/CVE-2021-35252", "tags": ["Patch", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "psirt@solarwinds.com", "description": [{"lang": "en", "value": "CWE-798"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-287"}]}], "descriptions": [{"lang": "en", "value": "Common encryption key appears to be used across all deployed instances of Serv-U FTP Server. Because of this an encrypted value that is exposed to an attacker can be simply recovered to plaintext."}, {"lang": "es", "value": "Parece que se utiliza una clave de cifrado com\u00fan en todas las instancias implementadas del Serv-U FTP Server. Debido a esto, un valor cifrado que est\u00e1 expuesto a un atacante se puede recuperar simplemente en texto plano."}], "lastModified": "2024-11-21T06:12:09.607", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:solarwinds:serv-u:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "849E4BD2-BA9B-4C38-91E1-95116AA12AE2", "versionEndExcluding": "15.3.2"}], "operator": "OR"}]}], "sourceIdentifier": "psirt@solarwinds.com"}