Improper authentication in sssd
Priority MEDIUM 41CWE-287Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-287.
Summary
A flaw was found in SSSD version 1.9.0. The SSSD's access-provider logic causes the result of the HBAC rule processing to be ignored in the event that the access-provider is also handling the setup of the user's SELinux user context.
Why it matters now
EPSS 0.01608 76th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| sssd | sssd | 1.9.0 | — | No fix listed | CNA |
- sssd Vendorsssd Affected 1.9.0 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:fedoraproject:sssd:1.9.0:*:*:*:*:*:*:* | 1.9.0 | Vulnerable | Fedoraproject |
- cpe:2.3:a:fedoraproject:sssd:1.9.0:*:*:*:*:*:*:* Versions 1.9.0 Vulnerable ·Fedoraproject
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2012-3462
- 2026-10-03 Alias added: GHSA-h73j-5p58-29r6
References
More Fedoraproject Sssd vulnerabilities
- TI-2022-03895 sssd: libsss_certmap fails to sanitise certificate data used in LDAP filters CVSS 3.1HIGH 8.8
- TI-2026-68594 Authorization bypass in SSSD HBAC rules via username collision CVSS 3.1HIGH 8.1
- TI-2026-68550 Denial of service in sssd responder via connection retry loop CVSS 3.1MEDIUM 5.5
- TI-2026-68273 Denial of service in SSSD via unprivileged autofs cache invalidation CVSS 3.1MEDIUM 5.5
- TI-2026-61496 Sssd: sssd: fail-open in ldap ppolicy access check allows continued authorization CVSS 3.1MEDIUM 5.4
- TI-2026-69019 Race condition in SSSD autofs responder enables denial of service CVSS 3.1MEDIUM 4.7
Sources
- CVE-2012-3462 · CVE Program
- CVE-2012-3462 · NVD
- FIRST EPSS
- GHSA-h73j-5p58-29r6 · GitHub Advisory Database · CC BY 4.0
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