CVE-2021-21623
MEDIUMCVSS 6.5/10EPSS 1.01%
Last modified
CVE-2021-21623 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. An incorrect permission check in Jenkins Matrix Authorization Strategy Plugin 2.6.5 and earlier allows attackers with Item/Read permission on nested items to access them, even if they lack Item/Read permission for parent folders.. EPSS estimates a 1.01% chance of exploitation in the next 30 days.
Description
An incorrect permission check in Jenkins Matrix Authorization Strategy Plugin 2.6.5 and earlier allows attackers with Item/Read permission on nested items to access them, even if they lack Item/Read permission for parent folders.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Jenkins | Matrix Authorization Strategy | <= 2.6.5 |
References
- https://www.openwall.com/lists/oss-security/2021/03/18/5Mailing List, Third Party Advisory
- https://www.openwall.com/lists/oss-security/2021/03/18/5Mailing List, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-21623?
An incorrect permission check in Jenkins Matrix Authorization Strategy Plugin 2.6.5 and earlier allows attackers with Item/Read permission on nested items to access them, even if they lack Item/Read permission for parent folders.
How severe is CVE-2021-21623?
CVE-2021-21623 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.01% probability of exploitation in the next 30 days.
How do I fix CVE-2021-21623?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- Uncovering a hidden BOLA in Appsmith's snapshot logicStrix autonomously discovered a BOLA/IDOR vulnerability in Appsmith's snapshot deletion path.
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Are you affected by CVE-2021-21623?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST