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Vulnerability record · CVE-2025-63912 · published 3 March 2026

CVE-2025-63912: Cohesity tranzman broken cryptographic algorithm vulnerability

Cohesity · 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.

7.5 CVSS 3.1 High EPSS 0.13% · top 97.7% CWE-327 · Broken cryptographic algorithm
7.5CVSS 3.1 base score
0.13%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 1 tagged exploit
17 Jun 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://gist.github.com/GregDurys/4c2765d76272cda64dfc78f7a75a9251 ExploitThird Party Advisory
https://github.com/GregDurys/Cohesity-TranZman-CVEs Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.8CVE-2025-63909Cohesity tranzman improper privilege management vulnerabilityIncorrect access control in the component /opt/SRLtzm/bin/TapeDumper of Cohesity TranZman Migration Appliance Release 4.0 Build 14614 allows attacker…EPSS 0.33%7.2CVE-2025-67840Cohesity tranzman os command injection vulnerabilityMultiple authenticated OS command injection vulnerabilities exist in the Cohesity (formerly Stone Ram) TranZman 4.0 Build 14614 through TZM_175758806…EPSS 3.7%7.2CVE-2025-63910Cohesity tranzman insufficient verification of data authenticity vulnerabilityAn authenticated arbitrary file upload vulnerability in Cohesity TranZman Migration Appliance Release 4.0 Build 14614 allows attackers with Administr…EPSS 0.36%7.2CVE-2025-63911Cohesity tranzman os command injection vulnerabilityCohesity TranZman Migration Appliance Release 4.0 Build 14614 was discovered to contain an authenticated command injection vulnerability.EPSS 2.3%

Source: NIST National Vulnerability Database (record CVE-2025-63912), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.