ZDF
Sign inSign up

Vulnerabilities

Vulnerability · 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.

Published Apr 22, 2025 · catalog updated Apr 23, 2025 · Hewlett Packard Enterprise (HPE) HPE Cray Operating System (COS)

Check this week

CVE-2025-27087 is not in CISA KEV. FIRST estimates a 19.00% chance of exploitation in the next 30 days. Check whether you run Hewlett Packard Enterprise (HPE) HPE Cray Operating System (COS).

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
19.00%
Remediation
Version ranges on file
Affected products
vendor Hewlett Packard Enterprise (HPE) HPE Cray Operating System (COS) 0 <cos-base-3.2

A vulnerability in the kernel of the Cray Operating System (COS) could allow an attacker to perform a local Denial of Service (DoS) attack.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Hewlett Packard Enterprise (HPE) HPE Cray Operating System (COS) 0 <cos-base-3.20 <cos-base-3.2

How to fix CVE-2025-27087

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2025-27087 is not in CISA KEV. FIRST estimates a 19.00% chance of exploitation in the next 30 days. Check whether you run Hewlett Packard Enterprise (HPE) HPE Cray Operating System (COS).

Which versions are affected?

Compare what you have installed with Hewlett Packard Enterprise (HPE) HPE Cray Operating System (COS) 0 <cos-base-3.2 0 <cos-base-3.2. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 19.00%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 22, 2025 · EUVD

    Detected

    A vulnerability in the kernel of the Cray Operating System (COS) could allow an attacker to perform a local Denial of Service (DoS) attack.

  2. Apr 23, 2025 · EUVD

    Updated

    A vulnerability in the kernel of the Cray Operating System (COS) could allow an attacker to perform a local Denial of Service (DoS) attack.

Sources

  • CVE.orgVulnerability recordCVE-2025-27087

    Official CVE identifier

    cve.org
  • EUVDVulnerability recordEUVD-2025-12202

    A vulnerability in the kernel of the Cray Operating System (COS) could allow an attacker to perform a local Denial of Service (DoS) attack.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.