CVE-2021-29063
HIGHCVSS 7.5/10EPSS 4.10%
Last modified
CVE-2021-29063 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A Regular Expression Denial of Service (ReDOS) vulnerability was discovered in Mpmath v1.0.0 through v1.2.1 when the mpmathify function is called.. EPSS estimates a 4.10% chance of exploitation in the next 30 days.
Description
A Regular Expression Denial of Service (ReDOS) vulnerability was discovered in Mpmath v1.0.0 through v1.2.1 when the mpmathify function is called.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mpmath | Mpmath | >= 1.0.0, <= 1.2.1 |
| Fedoraproject | Fedora | 33 |
| Fedoraproject | Fedora | 34 |
| Fedoraproject | Fedora | 35 |
References
- https://github.com/fredrik-johansson/mpmath/commit/46d44c3c8f3244017fe1eb102d564eb4ab8ef750Patch, Third Party Advisory
- https://github.com/npm/hosted-git-info/pull/76Patch, Third Party Advisory
- https://github.com/yetingli/PoCs/blob/main/CVE-2021-29063/Mpmath.mdExploit, Patch, Third Party Advisory
- https://github.com/yetingli/SaveResults/blob/main/js/hosted-git-info.jsNot Applicable, Third Party Advisory
- https://github.com/fredrik-johansson/mpmath/commit/46d44c3c8f3244017fe1eb102d564eb4ab8ef750Patch, Third Party Advisory
- https://github.com/npm/hosted-git-info/pull/76Patch, Third Party Advisory
- https://github.com/yetingli/PoCs/blob/main/CVE-2021-29063/Mpmath.mdExploit, Patch, Third Party Advisory
- https://github.com/yetingli/SaveResults/blob/main/js/hosted-git-info.jsNot Applicable, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-29063?
A Regular Expression Denial of Service (ReDOS) vulnerability was discovered in Mpmath v1.0.0 through v1.2.1 when the mpmathify function is called.
How severe is CVE-2021-29063?
CVE-2021-29063 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 4.10% probability of exploitation in the next 30 days.
How do I fix CVE-2021-29063?
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-2021-29063?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST