CVE-2023-49935
CVE-2023-49935 is a high-severity vulnerability in Schedmd Slurm with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-613.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- EPSS exploit prediction: 1% (60th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-613
- Affected product: Schedmd Slurm
- Published:
- Last modified:
Description
An issue was discovered in SchedMD Slurm 23.02.x and 23.11.x. There is Incorrect Access Control because of a slurmd Message Integrity Bypass. An attacker can reuse root-level authentication tokens during interaction with the slurmd process. This bypasses the RPC message hashes that protect against undesired MUNGE credential reuse. The fixed versions are 23.02.7 and 23.11.1.
Frequently asked questions
- What is CVE-2023-49935?
- An issue was discovered in SchedMD Slurm 23.02.x and 23.11.x. There is Incorrect Access Control because of a slurmd Message Integrity Bypass. An attacker can reuse root-level authentication tokens during interaction with the slurmd process. This bypasses the RPC message hashes that protect against undesired MUNGE credential reuse. The fixed versions are 23.02.7 and 23.11.1.
- How severe is CVE-2023-49935?
- CVE-2023-49935 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2023-49935 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-49935?
- CVE-2023-49935 primarily affects Schedmd Slurm. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2023-49935?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2023-49935 published?
- CVE-2023-49935 was published on 2023-12-14 and last updated on 2026-06-17.
References
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/63FEDDYEE2WK7FHWBHKON3OZVQI56WSQ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AYQS3LFGC4HE4WCW4L3NAA2I6FRIWMNO/
- https://lists.schedmd.com/pipermail/slurm-announce/2023/000103.html
- https://www.schedmd.com/security-archive.php
- https://lists.fedoraproject.org/archives/list/[email protected]/message/63FEDDYEE2WK7FHWBHKON3OZVQI56WSQ/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/AYQS3LFGC4HE4WCW4L3NAA2I6FRIWMNO/
Affected products (3)
- cpe:2.3:a:schedmd:slurm:*:*:*:*:*:*:*:*
- cpe:2.3:a:schedmd:slurm:23.11:-:*:*:*:*:*:*
- cpe:2.3:a:schedmd:slurm:23.11:rc1:*:*:*:*:*:*
More vulnerabilities in Schedmd Slurm
- CVE-2023-49937 — Critical (CVSS 9.8): An issue was discovered in SchedMD Slurm 22.05.x, 23.02.x, and 23.11.x. Because of a double free, attackers can cause a…
- CVE-2023-49934 — Critical (CVSS 9.8): An issue was discovered in SchedMD Slurm 23.11.x. There is SQL Injection against the SlurmDBD database. The fixed…
- CVE-2022-29502 — Critical (CVSS 9.8): SchedMD Slurm 21.08.x through 20.11.x has Incorrect Access Control that leads to Escalation of Privileges.
- CVE-2020-27745 — Critical (CVSS 9.8): Slurm before 19.05.8 and 20.x before 20.02.6 has an RPC Buffer Overflow in the PMIx MPI plugin.
- CVE-2019-12838 — Critical (CVSS 9.8): SchedMD Slurm 17.11.x, 18.08.0 through 18.08.7, and 19.05.0 allows SQL Injection.
- CVE-2019-6438 — Critical (CVSS 9.8): SchedMD Slurm before 17.11.13 and 18.x before 18.08.5 mishandles 32-bit systems.
All CVEs affecting Schedmd Slurm →
Other CWE-613 (Insufficient Session Expiration) vulnerabilities
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- CVE-2026-46455 — Critical (CVSS 9.8): Insufficient Session Expiration vulnerability in Apache Camel Keycloak Component. The camel-keycloak security helper…
- CVE-2026-21622 — Critical (CVSS 9.8): Insufficient Session Expiration vulnerability in hexpm hexpm/hexpm ('Elixir.Hexpm.Accounts.PasswordReset' module)…
- CVE-2025-59786 — Critical (CVSS 9.8): 2N Access Commander version 3.4.2 and prior improperly invalidates session tokens, allowing multiple session cookies to…
- CVE-2026-26342 — Critical (CVSS 9.8): Tattile Smart+, Vega, and Basic device families firmware versions 1.181.5 and prior implement an authentication token…
- CVE-2026-1435 — Critical (CVSS 9.8): Not properly invalidated session vulnerability in Graylog Web Interface, version 2.2.3, due to incorrect management of…
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