CVE-2021-29060
MEDIUMCVSS 5.3/10EPSS 3.13%
Last modified
CVE-2021-29060 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. A Regular Expression Denial of Service (ReDOS) vulnerability was discovered in Color-String version 1.5.5 and below which occurs when the application is provided and checks a crafted invalid HWB string.. EPSS estimates a 3.13% chance of exploitation in the next 30 days.
Description
A Regular Expression Denial of Service (ReDOS) vulnerability was discovered in Color-String version 1.5.5 and below which occurs when the application is provided and checks a crafted invalid HWB string.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Color-String Project | Color-String | < 1.5.5 |
References
- https://github.com/Qix-/color-string/commit/0789e21284c33d89ebc4ab4ca6f759b9375ac9d3Patch, Third Party Advisory
- https://github.com/yetingli/PoCs/blob/main/CVE-2021-29060/Color-String.mdExploit, Patch, Third Party Advisory
- https://github.com/yetingli/SaveResults/blob/main/js/color-string.jsThird Party Advisory
- https://github.com/Qix-/color-string/commit/0789e21284c33d89ebc4ab4ca6f759b9375ac9d3Patch, Third Party Advisory
- https://github.com/yetingli/PoCs/blob/main/CVE-2021-29060/Color-String.mdExploit, Patch, Third Party Advisory
- https://github.com/yetingli/SaveResults/blob/main/js/color-string.jsThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-29060?
A Regular Expression Denial of Service (ReDOS) vulnerability was discovered in Color-String version 1.5.5 and below which occurs when the application is provided and checks a crafted invalid HWB string.
How severe is CVE-2021-29060?
CVE-2021-29060 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 3.13% probability of exploitation in the next 30 days.
How do I fix CVE-2021-29060?
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-2021-29060?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST