Low severity · published Jan 12, 2021
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…
2.5
CVSS
1%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack vector
Local
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 64% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CB
Cloud Backup · Netapp
All versions, or not specified · source: NVD
DL
Debian Linux · Debian
10.0 · source: NVD
FE
Fedora · Fedoraproject
32; 33 · source: NVD
HM
Hci Management Node · Netapp
All versions, or not specified · source: NVD
SO
Solidfire · Netapp
All versions, or not specified · source: NVD
SU
Sudo · Sudo Project
before 1.8.32; 1.9.0 before 1.9.5 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-23239
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-23239
Exploit
https://bugzilla.suse.com/show_bug.cgi?id=CVE-2021-23239
Mailing List
https://lists.debian.org/debian-lts-announce/2022/11/msg00007.html
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EE42Y35SMJOLONAIBNYNFC7J44UUZ2Y6/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GMY4VSSBIND7VAYSN6T7XIWJRWG4GBB3/
Third Party Advisory
https://security.gentoo.org/glsa/202101-33
Third Party Advisory
https://security.netapp.com/advisory/ntap-20210129-0010/
More from Debian Linux
10.0
CVE-2025-32433
Erlang/OTP SSH Vulnerable to Pre-Authentication RCE
10.0
CVE-2025-24201
Apple Multiple Products WebKit Out-of-Bounds Write Vulnerability
10.0
CVE-2021-44228
Apache Log4j2 JNDI features do not protect against attacker controlled LDAP and other JNDI related endpoints
10.0
CVE-2015-3306
ProFTPD Improper Access Control Vulnerability
9.8
CVE-2026-24061
GNU InetUtils Argument Injection Vulnerability