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. 151 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.

EPSS: 0.475 (98.7th percentile) — read the EPSS interpretation.

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.

Affected products

Sudo Project — versions 1.9.14
Sudo_project Sudo — versions 1.9.17
Canonical Ubuntu_linux — versions 22.04, 24.04, 24.10
Debian Debian_linux — versions 11.0, 12.0, 13.0
Opensuse Leap — versions 15.6
Redhat 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

cve@mitre.org (Vendor Advisory)
cve@mitre.org (Release Notes)
cve@mitre.org (Exploit, Third Party Advisory)
cve@mitre.org (Third Party Advisory)
cve@mitre.org (Third Party Advisory)
cve@mitre.org (Third Party Advisory)
cve@mitre.org (Third Party Advisory)
cve@mitre.org (Third Party Advisory)
cve@mitre.org (Third Party Advisory, Issue Tracking)
cve@mitre.org (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. 151 public proof-of-concept repositories are indexed.