Vulnerability · Published Jun 28, 2025 · Assigned by mitre
CVE-2025-53391
Critical 9.3
In plain English
A critical-severity incorrect authorization in zulucrypt from Debian. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 7% of all known vulnerabilities).
Severity (CVSS 3.1)9.3Critical
Exploit odds (30 days)0.2%top 93.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
The Debian zuluPolkit/CMakeLists.txt file for zuluCrypt through the zulucrypt_6.2.0-1 package has insecure PolicyKit allow_any/allow_inactive/allow_active settings that allow a local user to escalate their privileges to root.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu:25.10 | zulucrypt | no fix listed | UBUNTU-CVE-2025-53391 |
Affected products (as reported)
Weakness: CWE-863 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
References
- https://bugs.debian.org/1108288
- https://salsa.debian.org/debian/zulucrypt/-/blob/9d661c9f384c4d889d3387944e14ac70cfb9684b/debian/patches/fix_zulupolkit_policy.patch
- https://deb.debian.org/debian/pool/main/z/zulucrypt/zulucrypt_6.2.0-1.dsc
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1108288 exploit