CVE-2025-63912

HIGHNVD 7.57.5—

7.5

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 v3: 7.5
EG Score: 7.5(medium)
EPSS: 0.5%
KEV: Not listed

Published

March 3, 2026

Last Modified

May 10, 2026

Advisory Details (2)

Auto-updated May 10, 2026

No patch confirmed yet.

generic

GitHub - GregDurys/Cohesity-TranZman-CVEs · GitHub

https://github.com/GregDurys/Cohesity-TranZman-CVEs

generic

CVE-2025-63912 - Cohesity TranZman Weak Cryptography (Static XOR) · GitHub

https://gist.github.com/GregDurys/4c2765d76272cda64dfc78f7a75a9251

Data Freshness Timeline

(refreshed 18× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

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Frequently asked(5)

What is CVE-2025-63912?

CVE-2025-63912 is a high vulnerability published on March 3, 2026. 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.

When was CVE-2025-63912 disclosed?

CVE-2025-63912 was first published in the National Vulnerability Database on March 3, 2026, with the most recent update on May 10, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-63912 actively exploited?

CVE-2025-63912 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

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

CVE-2025-63912 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2025-63912?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-63912, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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