What is CVE-2025-54955?

CVE-2025-54955 is a high-severity vulnerability in Opennebula, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 8.1/10. Published 2025-08-03.

How severe is CVE-2025-54955?

High severity. CVSS v3 base score is 8.1 out of 10.

Is CVE-2025-54955 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Opennebula

CVE-2025-54955

OpenNebula Community Edition (CE) before 7.0.0 and Enterprise Edition (EE) before 6.10.3 have a critical FireEdge race condition that can lead to full account takeover. By exploiting this, an unauthenticated attacker can obtain a valid JSON Web Token (JWT) belonging to a legitimate user without knowledge of their credentials.

Vulnerability class: Race Condition

EPSS: 0.003 (26.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Opennebula — versions Enterprise Edition, Community Edition

Weakness classification (CWE)

CWE-362 — Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition)

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

Frequently asked questions

What is CVE-2025-54955?: CVE-2025-54955 is a high-severity vulnerability in Opennebula, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 8.1/10. Published 2025-08-03.
How severe is CVE-2025-54955?: High severity. CVSS v3 base score is 8.1 out of 10.
Is CVE-2025-54955 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.