What is CVE-2025-63911?

CVE-2025-63911 is a high-severity vulnerability in Cohesity Tranzman, classified under OS Command Injection. CVSS score: 7.2/10. Published 2026-03-03.

How severe is CVE-2025-63911?

High severity. CVSS v3 base score is 7.2 out of 10.

RCE in Cohesity Tranzman

CVE-2025-63911

Cohesity TranZman Migration Appliance Release 4.0 Build 14614 was discovered to contain an authenticated command injection vulnerability.

Vulnerability class: Command Injection (OS Command Injection)

Published 2026-03-03 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.023 (82.8th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 82.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: 0.000

Affected products

Cohesity Tranzman — versions 4.0

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

github.com/GregDurys/Cohesity-TranZman-CVEs (Third Party Advisory)
gist.github.com/GregDurys/8b7a3022c04b6cee8c1e1af04f5671b2 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2025-63911?: CVE-2025-63911 is a high-severity vulnerability in Cohesity Tranzman, classified under OS Command Injection. CVSS score: 7.2/10. Published 2026-03-03.
How severe is CVE-2025-63911?: High severity. CVSS v3 base score is 7.2 out of 10.