CVE-2021-31155
7.8 · HIGHOverview
CVE-2021-31155 is a high-severity vulnerability affecting umask_project umask. It was published on May 27, 2021 and has a CVSS 3.1 base score of 7.8 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical Description
Failure to normalize the umask in please before 0.4 allows a local attacker to gain full root privileges if they are allowed to execute at least one command.
Remediation
Check the references section for vendor advisories and patches from umask_project. Update umask 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 |
|---|---|---|---|
| umask_project | umask | >= 0, < 0.4 | Affected |
Frequently Asked Questions
What is CVE-2021-31155?
CVE-2021-31155 is a high-severity vulnerability affecting umask_project umask. It was published on May 27, 2021 and has a CVSS 3.1 base score of 7.8 (HIGH).
How severe is CVE-2021-31155?
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-31155?
Check the references section for vendor advisories and patches from umask_project. Update umask 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-2021-31155?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-31155 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.
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