CVE-2023-3758: Race Condition
Source CVE Database V5
Not known to be exploited · CVSS 7.1 High.
Data as of 25 Oct 2026, 19:02 UTC
- EPSS
- 1.0% chance of exploitation in 30 days – higher than 63% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 18 Apr 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.
What to do
AI-suggested
Organizations should monitor vendor advisories closely and apply official patches for sssd as soon as they become available. In the interim, administrators should audit and verify GPO enforcement consistency across their environments to detect anomalies. Implementing additional synchronization mechanisms or locking controls around sssd processes may reduce race condition risks. Restricting network access to sssd services to trusted hosts and segments can limit exploitation opportunities. Employing robust logging and monitoring of authentication and authorization events can help identify suspicious behavior linked to this vulnerability. Regularly reviewing and updating access control policies to minimize privilege levels reduces potential impact. For critical systems, consider deploying compensating controls such as multi-factor authentication and network segmentation to mitigate unauthorized access risks. Finally, educating system administrators about the nature of race conditions and their impact on authorization can improve incident response readiness.
Description
A race condition flaw was found in sssd where the GPO policy is not consistently applied for authenticated users. This may lead to improper authorization issues, granting or denying access to resources inappropriately.
References
- access.redhat.com/errata/RHSA-2024:1919 (opens in a new tab)
- access.redhat.com/errata/RHSA-2024:1920 (opens in a new tab)
- access.redhat.com/errata/RHSA-2024:1921 (opens in a new tab)
- access.redhat.com/errata/RHSA-2024:1922 (opens in a new tab)
- access.redhat.com/errata/RHSA-2024:2571 (opens in a new tab)
- access.redhat.com/errata/RHSA-2024:3270 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2023-3758 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2223762 (opens in a new tab)
- github.com/SSSD/sssd/pull/7302 (opens in a new tab)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RV3HIZI3SURBUQKSOOL3XE64OOBQ2HTK/ (opens in a new tab)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XEP62IDS7A55D5UHM6GH7QZ7SQFOAPVF/ (opens in a new tab)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XMORAO2BDDA5YX4ZLMXDZ7SM6KU47SY5/ (opens in a new tab)
- lists.debian.org/debian-lts-announce/2025/02/msg00008.html (opens in a new tab)