Information disclosure in [UNKNOWN] sssd
Priority LOW 25CWE-200Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Deferred Red Hat: fix deferred
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-200.
Summary
sssd versions from 1.13.0 to before 2.0.0 did not properly restrict access to the infopipe according to the "allowed_uids" configuration parameter. If sensitive information were stored in the user directory, this could be inadvertently disclosed to local attackers.
Why it matters now
EPSS 0.00385 32nd percentileScored 2026-11-07
Fix Deferred Red Hat: fix deferred
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 |
|---|---|---|---|---|---|
| [UNKNOWN] | sssd | 2.0.0 | — | No fix listed | CNA |
- sssd Vendor[UNKNOWN] Affected 2.0.0 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:fedoraproject:sssd:*:*:*:*:*:*:*:* | 1.13.0 to before 2.0.0 | Vulnerable | Fedoraproject |
- cpe:2.3:a:fedoraproject:sssd:*:*:*:*:*:*:*:* Versions 1.13.0 to before 2.0.0 Vulnerable ·Fedoraproject
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 7 | Affected | No fix yet: Fix deferred |
Not affected: 2 products
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 8
Timeline
- 2026-10-02 Threatist record created from CVE-2018-16883
- 2026-10-03 Alias added: GHSA-4qf7-r2vx-jf49
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-2018-16883 · CVE Program
- CVE-2018-16883 · NVD
- FIRST EPSS
- GHSA-4qf7-r2vx-jf49 · GitHub Advisory Database · CC BY 4.0
- CVE-2018-16883 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences