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CVE-2021-23239 sudo

Affected softwaresudo
Severity2.5 Low CVSS 3.1 2 scores
WeaknessCWE-59
Published12 Jan 2021
Updated17 Jun 2026

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.

Exploitation status

No public exploit

No exploit has been reported in the sources we check. Published 5 years ago.

  • CISA KEV not listed
  • VulnCheck KEV not listed
  • CISA Vulnrichment no assessment published
  • Indexed PoC none indexed
  • EPSS 1.0% chance in 30 days

Waratek protection

Outside Waratek scope

A Java vulnerability, but not one Waratek protects. It affects only Java on a user's desktop (applets, Web Start, JavaFX, the installer), sits in a product the Waratek agent can't be installed into, or is in a package we don't expect in business applications. The decision below says which.

  • Protection none
  • Action not pursued none
  • Review human Researcher
  • Record active
Decided by Manual classification of this CVE in the legacy dataset
Finding A manual classification set this CVE's status to Outside Waratek scope, but the CVE names a tracked product.

CVSS

2.5 LOW v3.1 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N 2 metrics

We show the highest score from the newest CVSS version. Scores from different versions can't be compared, and the first score listed is sometimes a 0.0 placeholder.

VersionScoreBandVectorAssignerType
CVSS 3.1 2.5 LOW CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N NVD Primary published
CVSS 2.0 1.9 none AV:L/AC:M/Au:N/C:P/I:N/A:N NVD Primary

Affected software and releases

Products and versions

6 products, 8 version entries
SourceVendorProductSchemeAffected versions
nvd debian debian linux generic 10.0
nvd fedoraproject fedora generic 32 · 33
nvd netapp cloud backup generic any version
nvd netapp hci management node generic any version
nvd netapp solidfire generic any version
nvd sudo project sudo generic < 1.8.32 · ≥ 1.9.0 and < 1.9.5

References

URLTags
https://bugzilla.suse.com/show_bug.cgi?id=CVE-2021-23239 Exploit, Issue Tracking, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/11/msg00007.html Mailing 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/202101-33 Third Party Advisory
https://security.netapp.com/advisory/ntap-20210129-0010/ Third Party Advisory
https://www.sudo.ws/stable.html#1.9.5 Release Notes, Vendor Advisory

Timeline

Published2021-01-12By the CVE Program.
NVD record modified2026-06-17NVD's own last-modified date for this record.