How to fix 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.

Is Tranzman 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.

CVE-2025-63912

HIGH

2026-03-03 [email protected]

7.5

CVSS 3.1

CVSS Vector

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

Description

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.

Analysis

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

Technical Context

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.

Affected Products

Vendor: Cohesity. Product: Tranzman. Versions: up to 4.0.

Remediation

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

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +0.0

CVSS: +38

POC: +20

CVE-2025-63912 vulnerability details – vuln.today

Back

CVE-2025-63912

CVSS Vector

Lifecycle Timeline

Tags

Description

Analysis

Technical Context

Affected Products

Remediation

Priority Score

Share

CVE-2025-63912

CVSS Vector

Lifecycle Timeline

Tags

Description

Analysis

Technical Context

Affected Products

Remediation

Priority Score

Share

External POC / Exploit Code