What is CVE-2025-32463?

CVE-2025-32463 is a critical-severity vulnerability in Sudo Project, classified under Inclusion of Functionality from Untrusted Control Sphere. CVSS score: 9.3/10. Published 2025-06-30.

How severe is CVE-2025-32463?

Critical severity. CVSS v3 base score is 9.3 out of 10.

Is CVE-2025-32463 known to be exploited?

Yes. CVE-2025-32463 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-09-29), indicating it is being actively exploited. 162 public proof-of-concept repositories are indexed.

Vulnerability in Sudo Project

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.

Published 2025-06-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.3 (Critical). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.555 (99.0th percentile), scored 2026-10-18.

High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.610 · newest: 0.555 · change: -0.055

Affected products

Sudo Project — versions 1.9.14
Sudo Project — versions 1.9.17
Canonical Ubuntu Linux — versions 22.04, 24.04, 24.10
Debian Linux — versions 11.0, 12.0, 13.0
openSUSE Leap — versions 15.6
Red Hat Enterprise Linux — versions 10.0
SUSE Linux Enterprise Desktop — versions 15
SUSE Linux Enterprise Real Time — versions 15.0
SUSE Linux Enterprise Server For SAP — versions 12

Weakness classification (CWE)

CWE-829 — Inclusion of Functionality from Untrusted Control Sphere

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2025-09-29. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2025-10-20.

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.

Public proof-of-concept exploits

References

www.sudo.ws/security/advisories/ (Vendor Advisory)
www.sudo.ws/releases/changelog/ (Release Notes)
www.stratascale.com/vulnerability-alert-CVE-2025-32463-sudo-chroot (Exploit, Third Party Advisory)
www.openwall.com/lists/oss-security/2025/06/30/3 (Third Party Advisory)
access.redhat.com/security/cve/cve-2025-32463 (Third Party Advisory)
ubuntu.com/security/notices/USN-7604-1 (Third Party Advisory)
security-tracker.debian.org/tracker/CVE-2025-32463 (Third Party Advisory)
explore.alas.aws.amazon.com/CVE-2025-32463.html (Third Party Advisory)
bugs.gentoo.org/show_bug.cgi (Third Party Advisory, Issue Tracking)
www.suse.com/support/update/announcement/2025/suse-su-202502177-1/ (Third Party Advisory)

Frequently asked questions

What is CVE-2025-32463?: CVE-2025-32463 is a critical-severity vulnerability in Sudo Project, classified under Inclusion of Functionality from Untrusted Control Sphere. CVSS score: 9.3/10. Published 2025-06-30.
How severe is CVE-2025-32463?: Critical severity. CVSS v3 base score is 9.3 out of 10.
Is CVE-2025-32463 known to be exploited?: Yes. CVE-2025-32463 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-09-29), indicating it is being actively exploited. 162 public proof-of-concept repositories are indexed.