CVE-2025-32463Sudo before 1.9.17p1 allows local users to obtain root access because /etc/nsswitch.conf from a user-controlled directory is used with the…
- 9.3CriticalCVSS base score
- 56.3%Exploitation in 30 daysEPSS · top 0.9% of all CVEs
- YesKnown exploitedin CISA's KEV since 29 Sept 2025
- 2Public exploitsMetasploit, Nuclei and Exploit-DB
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.
Exploited in the wild
CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as Sudo Inclusion of Functionality from Untrusted Control Sphere Vulnerability.
- Added
- 29 Sept 2025
- Fix due (US federal)
- 20 Oct 2025
- Used by ransomware
- Not known
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
ENISA's EU Vulnerability Database lists it as exploited, from CISA's KEV, since 29 Sept 2025.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list a Metasploit module and an Exploit-DB entry for it. A reference of the record is tagged as an exploit. CISA's SSVC rates its exploitation: it is being exploited.
Show the exploits3
Metasploit modules1 module
- Sudo Chroot 1.9.17 Privilege Escalation (Metasploit module) (opens in a new tab)
exploit/linux/local/sudo_chroot_cve_2025_32463Rank normaldisclosed 30 Jun 2025
Exploit-DB1 entry
- Sudo chroot 1.9.17 - Local Privilege Escalation (Exploit-DB entry) (opens in a new tab)
EDB-ID 52352local, linuxpublished 8 Jul 2025Not verified
References tagged exploit1 reference
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By mitre
- 3 months later
· 3 months later
Published
- 3 months later
· 3 months later
Added to CISA KEV
Known exploited in the wild
- 5 months later
· 5 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| mitreCNA (assigner) | 3.1 | Critical9.3 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
| NVDNVD · Analyzed | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 56.3% · top 0.9% of all CVEs (12 Nov 2026)
- CISA SSVC
- Exploitation: active · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.3.
Affected products
- affected 1.9.14 – < 1.9.17p1
References
References17
- https://www.sudo.ws/security/advisories/ (opens in a new tab)
- https://www.sudo.ws/releases/changelog/ (opens in a new tab)
- https://www.stratascale.com/vulnerability-alert-CVE-2025-32463-sudo-chroot (opens in a new tab)
- https://www.openwall.com/lists/oss-security/2025/06/30/3 (opens in a new tab)
- https://access.redhat.com/security/cve/cve-2025-32463 (opens in a new tab)
- https://ubuntu.com/security/notices/USN-7604-1 (opens in a new tab)
- https://security-tracker.debian.org/tracker/CVE-2025-32463 (opens in a new tab)
- https://explore.alas.aws.amazon.com/CVE-2025-32463.html (opens in a new tab)
- https://bugs.gentoo.org/show_bug.cgi?id=CVE-2025-32463 (opens in a new tab)
- https://www.suse.com/support/update/announcement/2025/suse-su-202502177-1/ (opens in a new tab)
- https://www.suse.com/security/cve/CVE-2025-32463.html (opens in a new tab)
- https://www.secpod.com/blog/sudo-lpe-vulnerabilities-resolved-what-you-need-to-know-about-cve-2025-32462-and-cve-2025-32463/ (opens in a new tab)
- https://www.sudo.ws/security/advisories/chroot_bug/ (opens in a new tab)
- https://www.vicarius.io/vsociety/posts/cve-2025-32463-detect-sudo-vulnerability (opens in a new tab)
- https://www.vicarius.io/vsociety/posts/cve-2025-32463-mitigate-sudo-vulnerability (opens in a new tab)
- https://iototsecnews.jp/2025/07/01/linux-sudo-chroot-vulnerability-enables-hackers-to-elevate-privileges-to-root/ (opens in a new tab)exploit
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-32463 (opens in a new tab)government-resource
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- CISA KEV catalog (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2025-19673 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2025-32463)Record last updated .