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

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

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

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.

RemediationAI

Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.

CVE-2025-63912 vulnerability details – vuln.today

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Tranzman CVE-2025-63912

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

RemediationAI

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External POC / Exploit Code