CVE-2021-21615
5.3 · MEDIUMOverview
CVE-2021-21615 is a medium-severity vulnerability affecting jenkins jenkins. It was published on January 26, 2021 and has a CVSS 3.1 base score of 5.3 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
Jenkins 2.275 and LTS 2.263.2 allows reading arbitrary files using the file browser for workspaces and archived artifacts due to a time-of-check to time-of-use (TOCTOU) race condition.
Remediation
Check the references section for vendor advisories and patches from jenkins. Update jenkins 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 |
|---|---|---|---|
| jenkins | jenkins | >= 0, < 2.263.3 | Affected |
Frequently Asked Questions
What is CVE-2021-21615?
CVE-2021-21615 is a medium-severity vulnerability affecting jenkins jenkins. It was published on January 26, 2021 and has a CVSS 3.1 base score of 5.3 (MEDIUM).
How severe is CVE-2021-21615?
This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-21615?
Check the references section for vendor advisories and patches from jenkins. Update jenkins 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-2021-21615?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-21615 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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