CVE-2021-31799
HIGHCVSS 7/10EPSS 1.48%
Last modified
CVE-2021-31799 is a high-severity vulnerability rated 7/10 on the CVSS scale. In RDoc 3.11 through 6.x before 6.3.1, as distributed with Ruby through 3.0.1, it is possible to execute arbitrary code via | and tags in a filename.. EPSS estimates a 1.48% chance of exploitation in the next 30 days.
Description
In RDoc 3.11 through 6.x before 6.3.1, as distributed with Ruby through 3.0.1, it is possible to execute arbitrary code via | and tags in a filename.
Metrics
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Debian | Debian Linux | 9.0 |
| Debian | Debian Linux | 10.0 |
| Ruby-Lang | Rdoc | >= 3.11, < 6.3.1 |
| Oracle | Jd Edwards Enterpriseone Tools | < 9.2.6.1 |
References
- https://lists.debian.org/debian-lts-announce/2021/10/msg00009.htmlThird Party Advisory
- https://security-tracker.debian.org/tracker/CVE-2021-31799Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210902-0004/Third Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory
- https://www.ruby-lang.org/en/news/2021/05/02/os-command-injection-in-rdoc/Patch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2021/10/msg00009.htmlThird Party Advisory
- https://security-tracker.debian.org/tracker/CVE-2021-31799Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210902-0004/Third Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory
- https://www.ruby-lang.org/en/news/2021/05/02/os-command-injection-in-rdoc/Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-31799?
In RDoc 3.11 through 6.x before 6.3.1, as distributed with Ruby through 3.0.1, it is possible to execute arbitrary code via | and tags in a filename.
How severe is CVE-2021-31799?
CVE-2021-31799 has a CVSS score of 7/10 (HIGH severity). The EPSS model estimates a 1.48% probability of exploitation in the next 30 days.
How do I fix CVE-2021-31799?
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
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-31799?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST