CVE-2021-23239
The sudoedit personality of Sudo before 1.9.5 may allow a local unprivileged user to perform arbitrary directory-existence tests by winning a sudo_edit.c race condition in replacing a user-controlled directory by a symlink to an arbitrary path.
Does this matter?
Lower severity and a low EPSS score (1.04%). Track it; it rarely justifies an emergency change on its own.
Description
The sudoedit personality of Sudo before 1.9.5 may allow a local unprivileged user to perform arbitrary directory-existence tests by winning a sudo_edit.c race condition in replacing a user-controlled directory by a symlink to an arbitrary path.
- CVSS 3.1
- 2.5 LOWCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
- EPSS
- 1.04% probability · 64th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-59
- Affected
- sudo project/sudo · netapp/cloud backup · netapp/hci management node · netapp/solidfire · fedoraproject/fedora · debian/debian linux
- Source
- cve@mitre.org
EPSS 1.0% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://bugzilla.suse.com/show_bug.cgi?id=CVE-2021-23239Exploit, Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/11/msg00007.htmlMailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EE42Y35SMJOLONAIBNYNFC7J44UUZ2Y6/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GMY4VSSBIND7VAYSN6T7XIWJRWG4GBB3/
- https://security.gentoo.org/glsa/202101-33Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210129-0010/Third Party Advisory
- https://www.sudo.ws/stable.html#1.9.5Release Notes, Vendor Advisory
- https://bugzilla.suse.com/show_bug.cgi?id=CVE-2021-23239Exploit, Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/11/msg00007.htmlMailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EE42Y35SMJOLONAIBNYNFC7J44UUZ2Y6/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GMY4VSSBIND7VAYSN6T7XIWJRWG4GBB3/
- https://security.gentoo.org/glsa/202101-33Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210129-0010/Third Party Advisory
- https://www.sudo.ws/stable.html#1.9.5Release Notes, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.