Sudo Inclusion of Functionality from Untrusted Control Sphere Vulnerability
Sudo project — Sudo
Sudo before 1.9.17p1 allows local users to obtain root access because /etc/nsswitch.conf from a user-controlled directory is used with the --chroot option.
9.3
48.2%
Vector breakdown
- Attack vector
- Local
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Changed
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- Published
- Jun 30, 2025
- Modified
- Feb 26, 2026
- Added to KEV
- Sep 29, 2025
- Federal patch due
- Oct 20, 2025
CISA required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Weakness classification
Proof-of-concept & exploitation references
Weaponization
Public repositories whose name or description references CVE-2025-32463, found via a live GitHub search at request time. These are community-sourced signals, not a verified working exploit - cross-check each one before relying on it, and treat higher star counts and recent activity as (weak) corroboration, not proof.
No public GitHub repositories referencing CVE-2025-32463 were found at last check. Absence here is not proof no exploit exists - see the references below for vendor advisories and write-ups.
References
Frequently asked questions
What is CVE-2025-32463?
Sudo before 1.9.17p1 allows local users to obtain root access because /etc/nsswitch.conf from a user-controlled directory is used with the --chroot option.
How severe is CVE-2025-32463?
CVE-2025-32463 has a CVSS base score of 9.3 out of 10 (CVSS 3.1).
Is CVE-2025-32463 actively exploited in the wild?
Yes. CVE-2025-32463 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added Sep 29, 2025, meaning CISA has confirmed evidence of active exploitation.
What is the EPSS score for CVE-2025-32463?
48.2% - meaning FIRST.org's EPSS model estimates a 48.2% probability this vulnerability will be exploited in the wild within 30 days (99% percentile among all scored CVEs).
What type of vulnerability is CVE-2025-32463?
CVE-2025-32463 is classified under CWE-829 (CWE-829 Inclusion of Functionality from Untrusted Control Sphere).
Cross-checked against
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