What is the CVSS score of CVE-2025-63912?

CVE-2025-63912 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.0%.

Which versions of Tranzman are affected by CVE-2025-63912?

Tranzman versions up to 4.0 contain a cryptographic weakness that could allow attackers to compromise data confidentiality and integrity without authentication.

Is there a public PoC exploit available for CVE-2025-63912?

Yes, a public proof-of-concept exploit is available for CVE-2025-63912. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2025-63912?

Within 24 hours: Inventory all Tranzman deployments and document versions in use; isolate or disable non-critical instances if possible. Within 7 days: Contact Tranzman vendor for patch timeline and interim guidance; implement network segmentation to restrict Tranzman access to trusted internal networks only; enable enhanced logging and monitoring for suspicious cryptographic operations. Within 30 days: Evaluate migration to alternative solutions or protected deployment models; apply vendor patch immediately upon release; conduct cryptographic audit of data encrypted with affected versions.

Tranzman CVE-2025-63912

HIGH

Use of a Broken or Risky Cryptographic Algorithm (CWE-327)

2026-03-03 cve@mitre.org

Information Disclosure Tranzman Cohesity

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 22:05 vuln.today

PoC Detected

Mar 05, 2026 - 00:19 vuln.today

Public exploit code

CVE Published

Mar 03, 2026 - 18:16 nvd

HIGH 7.5

DescriptionCVE.org

Cohesity TranZman Migration Appliance Release 4.0 Build 14614 was discovered to use a weak cryptography algorithm for data encryption, allowing attackers to trivially reverse the encyption and expose credentials.

AnalysisAI

Tranzman versions up to 4.0 is affected by use of a broken or risky cryptographic algorithm (CVSS 7.5).

Technical ContextAI

This vulnerability (CWE-327: Use of a Broken or Risky Cryptographic Algorithm) affects Tranzman. Cohesity TranZman Migration Appliance Release 4.0 Build 14614 was discovered to use a weak cryptography algorithm for data encryption, allowing attackers to trivially reverse the encyption and expose credentials.