CVE-2025-36244
CVE-2025-36244 is a high-severity vulnerability in Ibm Vios with a CVSS 3.x base score of 7.4. 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-454.
Key facts
- Severity: High (CVSS 3.x base score 7.4)
- EPSS exploit prediction: 0% (2nd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-29617
- Weakness: CWE-454
- Affected product: Ibm Vios
- Published:
- Last modified:
Description
IBM AIX 7.2, 7.3, IBM VIOS 3.1, and 4.1, when configured to use Kerberos network authentication, could allow a local user to write to files on the system with root privileges due to improper initialization of critical variables.
Frequently asked questions
- What is CVE-2025-36244?
- IBM AIX 7.2, 7.3, IBM VIOS 3.1, and 4.1, when configured to use Kerberos network authentication, could allow a local user to write to files on the system with root privileges due to improper initialization of critical variables.
- How severe is CVE-2025-36244?
- CVE-2025-36244 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over local access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2025-36244 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-36244?
- CVE-2025-36244 primarily affects Ibm Vios. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2025-36244?
- 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.
- Does CVE-2025-36244 have an EU (EUVD) identifier?
- Yes. CVE-2025-36244 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-29617.
- When was CVE-2025-36244 published?
- CVE-2025-36244 was published on 2025-09-16 and last updated on 2026-06-17.
References
Affected products (4)
- cpe:2.3:a:ibm:vios:3.1:*:*:*:*:*:*:*
- cpe:2.3:a:ibm:vios:4.1:*:*:*:*:*:*:*
- cpe:2.3:o:ibm:aix:7.2:*:*:*:*:*:*:*
- cpe:2.3:o:ibm:aix:7.3:*:*:*:*:*:*:*
More vulnerabilities in Ibm Vios
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- CVE-2010-1039 — Critical (CVSS 10.0): Format string vulnerability in the _msgout function in rpc.pcnfsd in IBM AIX 6.1, 5.3, and earlier; IBM VIOS 2.1, 1.5,…
- CVE-2009-3699 — Critical (CVSS 10.0): Stack-based buffer overflow in libcsa.a (aka the calendar daemon library) in IBM AIX 5.x through 5.3.10 and 6.x through…
- CVE-2025-36251 — Critical (CVSS 9.6): IBM AIX 7.2, and 7.3 and IBM VIOS 3.1, and 4.1 nimsh service SSL/TLS implementations could allow a remote attacker to…
- CVE-2025-36096 — Critical (CVSS 9.0): IBM AIX 7.2, and 7.3 and IBM VIOS 3.1, and 4.1 stores NIM private keys used in NIM environments in an insecure way…
- CVE-2022-22351 — High (CVSS 8.6): IBM AIX 7.1, 7.2, 7.3, and VIOS 3.1 could allow a non-privileged trusted host user to exploit a vulnerability in the…
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