Critical severity · published Nov 13, 2025
CVE-2025-36251
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 execute arbitrary commands due to improper process controls
9.8
CVSS
0.5%
EPSS
No
On KEV
Description
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 execute arbitrary commands due to improper process controls. This addresses additional attack vectors for a vulnerability that was previously addressed in CVE-2024-56347.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 45% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AI
Aix · Ibm
7.2; 7.3 · source: NVD
VI
Vios · Ibm
3.1.0; 4.1.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-36251
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-36251
Vendor Advisory
https://www.ibm.com/support/pages/node/7251173
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