CVE-2025-63909 Privilege escalation in n/a

High 7.2 Published 3 Mar 2026 Updated 3 Mar 2026

Attackers can escalate privileges to root and read or write arbitrary files via incorrect access control in the TapeDumper component.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-63909?

CVE-2025-63909 is a high-severity vulnerability in n/a, published on 3 Mar 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

Incorrect access control in the component /opt/SRLtzm/bin/TapeDumper of Cohesity TranZman Migration Appliance Release 4.0 Build 14614 allows attackers to escalate privileges to root and read and write arbitrary files.

Weakness: CWE-269

Which versions are affected by CVE-2025-63909?

It affects 1 product.

Products include Cohesity Tranzman.

How do I fix CVE-2025-63909?

No fix has been published for CVE-2025-63909 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-63909 being exploited?

There is no known exploitation of CVE-2025-63909 in the wild and no public exploit code.

Sources

Also known as GHSA-9xwp-q52p-3g5c.