CVE-2021-20325

Missing fixes for CVE-2021-40438 and CVE-2021-26691 in the versions of httpd, as shipped in Red Hat Enterprise Linux 8.5.0, causes a security regression compared to the versions shipped in Red Hat Enterprise Linux 8.4. A user who installs or updates to Red Hat Enterprise Linux 8.5.0 would be vulnerable to the mentioned CVEs, even if they were properly fixed in Red Hat Enterprise Linux 8.4. CVE-2021-20325 was assigned to that Red Hat specific security regression and it does not affect the upstream versions of httpd.

CVSS v3 9.8 CRITICAL
CVSS v2.0 10.0 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

10.0^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 10.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://bugzilla.redhat.com/show_bug.cgi?id=2017321	Issue Tracking Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2017321	Issue Tracking Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:o:redhat:enterprise_linux:8.5.0:*:*:*:*:*:*:*

History

21 Nov 2024, 05:46

Type	Values Removed	Values Added
References	~~() https://bugzilla.redhat.com/show_bug.cgi?id=2017321 - Issue Tracking, Vendor Advisory~~	() https://bugzilla.redhat.com/show_bug.cgi?id=2017321 - Issue Tracking, Vendor Advisory

30 Jun 2023, 17:06

Type	Values Removed	Values Added
CWE	~~CWE-119~~	CWE-787

Information

Published : 2022-02-18 18:15

Updated : 2024-11-21 05:46

NVD link : CVE-2021-20325

Mitre link : CVE-2021-20325

CVE.ORG link : CVE-2021-20325

JSON object : View

Products Affected

redhat

enterprise_linux

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-787

Out-of-bounds Write

CWE-918

Server-Side Request Forgery (SSRF)

{"id": "CVE-2021-20325", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 10.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2022-02-18T18:15:09.080", "references": [{"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2017321", "tags": ["Issue Tracking", "Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2017321", "tags": ["Issue Tracking", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "secalert@redhat.com", "description": [{"lang": "en", "value": "CWE-119"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-787"}, {"lang": "en", "value": "CWE-918"}]}], "descriptions": [{"lang": "en", "value": "Missing fixes for CVE-2021-40438 and CVE-2021-26691 in the versions of httpd, as shipped in Red Hat Enterprise Linux 8.5.0, causes a security regression compared to the versions shipped in Red Hat Enterprise Linux 8.4. A user who installs or updates to Red Hat Enterprise Linux 8.5.0 would be vulnerable to the mentioned CVEs, even if they were properly fixed in Red Hat Enterprise Linux 8.4. CVE-2021-20325 was assigned to that Red Hat specific security regression and it does not affect the upstream versions of httpd."}, {"lang": "es", "value": "Una falta de correcciones para CVE-2021-40438 y CVE-2021-26691 en las versiones de httpd, tal y como se distribuyen en Red Hat Enterprise Linux versi\u00f3n 8.5.0, causa una regresi\u00f3n de seguridad en comparaci\u00f3n con las versiones distribuidas en Red Hat Enterprise Linux versi\u00f3n 8.4. Un usuario que instale o actualice a Red Hat Enterprise Linux versi\u00f3n 8.5.0 ser\u00eda vulnerable a los CVEs mencionados, incluso si fueron corregidos apropiadamente en Red Hat Enterprise Linux versi\u00f3n 8.4. La CVE-2021-20325 fue asignada a esa regresi\u00f3n de seguridad espec\u00edfica de Red Hat y no afecta a versiones upstream de httpd"}], "lastModified": "2024-11-21T05:46:22.887", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux:8.5.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "159B7EC2-AEFD-490B-AC60-555896124865"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}