Medium severity · published Apr 22, 2025
CVE-2025-27087
A vulnerability in the kernel of the Cray Operating System (COS) could allow an attacker to perform a local Denial of Service (DoS) attack
5.5
CVSS
0.2%
EPSS
No
On KEV
Description
A vulnerability in the kernel of the Cray Operating System (COS) could allow an attacker to perform a local Denial of Service (DoS) attack.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 8% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HC
HPE Cray Operating System (COS) · Hewlett Packard Enterprise (HPE)
before cos-base-3.2 · source: vendor
Affected product
HC
HPE Cray Operating System (COS)
Hewlett Packard Enterprise (HPE)