CVE-2021-3807
HIGHCVSS 7.5/10EPSS 3.30%
Last modified
CVE-2021-3807 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. ansi-regex is vulnerable to Inefficient Regular Expression Complexity. EPSS estimates a 3.30% chance of exploitation in the next 30 days.
Description
ansi-regex is vulnerable to Inefficient Regular Expression Complexity
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 |
|---|---|---|
| Ansi-Regex Project | Ansi-Regex | >= 4.0.0, < 4.1.1 |
| Ansi-Regex Project | Ansi-Regex | 3.0.0 |
| Ansi-Regex Project | Ansi-Regex | 5.0.0 |
| Ansi-Regex Project | Ansi-Regex | 6.0.0 |
| Oracle | Communications Cloud Native Core Policy | 1.15.0 |
References
- https://github.com/chalk/ansi-regex/commit/8d1d7cdb586269882c4bdc1b7325d0c58c8f76f9Patch, Third Party Advisory
- https://huntr.dev/bounties/5b3cf33b-ede0-4398-9974-800876dfd994Exploit, Issue Tracking, Patch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20221014-0002/Third Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory
- https://github.com/chalk/ansi-regex/commit/8d1d7cdb586269882c4bdc1b7325d0c58c8f76f9Patch, Third Party Advisory
- https://huntr.dev/bounties/5b3cf33b-ede0-4398-9974-800876dfd994Exploit, Issue Tracking, Patch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20221014-0002/Third Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-3807?
ansi-regex is vulnerable to Inefficient Regular Expression Complexity
How severe is CVE-2021-3807?
CVE-2021-3807 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 3.30% probability of exploitation in the next 30 days.
How do I fix CVE-2021-3807?
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-2021-3807?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST