CVE-2021-23239
2.5 · LOWOverview
CVE-2021-23239 is a low-severity vulnerability affecting sudo_project sudo. It was published on January 12, 2021 and has a CVSS 3.1 base score of 2.5 (LOW).
This vulnerability has a CVSS 3.1 base score of 2.5, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from sudo_project. Update sudo to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| sudo_project | sudo | >= 0, < 1.8.32 | Affected |
References
Frequently Asked Questions
What is CVE-2021-23239?
CVE-2021-23239 is a low-severity vulnerability affecting sudo_project sudo. It was published on January 12, 2021 and has a CVSS 3.1 base score of 2.5 (LOW).
How severe is CVE-2021-23239?
This vulnerability has a CVSS 3.1 base score of 2.5, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-23239?
Check the references section for vendor advisories and patches from sudo_project. Update sudo to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-23239?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-23239 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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