CVE-2025-32463: Sudo Inclusion of Functionality from Untrusted Control Sphere Vulnerability
- Is it exploited?
Yes. CISA added it to the Known Exploited Vulnerabilities catalog on 29 Sep 2025, 91 days after the CVE record was published.
- How likely is exploitation in the next 30 days?
- 55.5%
EPSS score, percentile 99 of all scored records
- How severe?
- 9.3 Critical
CVSS v3.1 base score, given by the CNA
- What should I do?
CISA deadline 20 Oct 2025. Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
The CVE record links no vendor advisory, patch or mitigation.
- Which versions are affected?
Affected
- from 1.9.14 to before 1.9.17p1
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
What to do
Required action, set by CISA
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
CISA due date for this action: 20 October 2025.
Advisories and patches
The CVE record links no vendor advisory, patch or mitigation.
Linked from CISA's catalog entry
Affected products and versions
As listed in the CVE record.
| Status | Versions |
|---|---|
| Affected | from 1.9.14 to before 1.9.17p1 |
Versions not listed are: unaffected.
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
About this vulnerability
Sudo contains an inclusion of functionality from untrusted control sphere vulnerability. This vulnerability could allow local attacker to leverage sudo’s -R (--chroot) option to run arbitrary commands as root, even if they are not listed in the sudoers file.
Summary: CISA's KEV catalog, as of 28 Oct 2026.
- CISA added CVE-2025-32463 to its Known Exploited Vulnerabilities (KEV) catalog on 29 Sep 2025.
- CISA's ransomware flag for this entry is "Unknown": no evidence of ransomware use in the catalog, which is not proof of none.
- The due date CISA sets for the required action is 20 Oct 2025.
- The CVE record was published on 30 Jun 2025, 91 days before it was added to KEV.
- The CVE record carries a CVSS v3.1 base score of 9.3 (Critical), given by its CNA.
- FIRST's EPSS model puts the probability of exploitation in the next 30 days at 55.5% (percentile 99), as of 28 Oct 2026.
- CISA's SSVC assessment in the CVE record: exploitation active, automatable no, technical impact total.
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026. About the data.
Description
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.
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
Weakness
- CWE-829: Inclusion of Functionality from Untrusted Control Sphere
CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record and the KEV entry.
Timeline
| Date | Event |
|---|---|
| 30 Jun 2025 | CVE record published |
| 29 Sep 2025 | Added to CISA KEV |
| 20 Oct 2025 | CISA due date for the required action |
| 26 Feb 2026 | CVE record last updated |
References
- sudo.ws
- sudo.ws
- stratascale.com
- openwall.com
- access.redhat.com
- ubuntu.com
- security-tracker.debian.org
- explore.alas.aws.amazon.com
- bugs.gentoo.org
- suse.com
- suse.com
- secpod.com
3 more in the CVE record.
More exploited Sudo vulnerabilities
- CVE-2021-3156: Sudo Heap-Based Buffer Overflow Vulnerability