What is the CVSS score of CVE-2025-23120?

CVE-2025-23120 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 26.3%.

Which versions of Veeam Backup Replication are affected by CVE-2025-23120?

CVE-2025-23120 presents significant security risk, a insecure deserialization vulnerability rated CVSS 8.8.

Is there a public PoC exploit available for CVE-2025-23120?

Yes, a public proof-of-concept exploit is available for CVE-2025-23120. Prioritise patching immediately. EPSS: 26.3%.

How to fix or mitigate CVE-2025-23120?

Within 7 days: Identify all affected systems and apply vendor patches promptly. Restrict deserialization to trusted data sources and implement integrity checks.

Veeam Backup Replication CVE-2025-23120

HIGH

Deserialization of Untrusted Data (CWE-502)

2025-03-20 support@hackerone.com

RCE Deserialization Veeam Backup Replication Veeam

8.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:32 vuln.today

PoC Detected

Apr 02, 2025 - 16:01 vuln.today

Public exploit code

CVE Published

Mar 20, 2025 - 16:15 nvd

HIGH 8.8

DescriptionCVE.org

A vulnerability allowing remote code execution (RCE) for domain users.

AnalysisAI

A vulnerability allowing remote code execution (RCE) for domain users. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and EPSS exploitation probability 26.3%.

Technical ContextAI

This vulnerability is classified as Deserialization of Untrusted Data (CWE-502), which allows attackers to execute arbitrary code through malicious serialized objects. A vulnerability allowing remote code execution (RCE) for domain users. Affected products include: Veeam Veeam Backup \& Replication.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Avoid deserializing untrusted data. Use safe serialization formats (JSON). Implement integrity checks and type allowlists.