Vulnerability in Ansi-Regex Project
CVE-2021-3807
ansi-regex is vulnerable to Inefficient Regular Expression Complexity
Vulnerability class: ReDoS (Regular Expression Denial of Service)
EPSS: 0.036 (88.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Ansi-regex_project Ansi-regex — versions 3.0.0, 5.0.0, 6.0.0
- Chalk Chalk/ansi-regex — versions unspecified, 5.0.1
- Oracle Communications_cloud_native_core_policy — versions 1.15.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@huntr.dev (Exploit, Patch, Third Party Advisory, Issue Tracking)
- security@huntr.dev (Patch, Third Party Advisory)
- security@huntr.dev (Patch, Third Party Advisory)
- security@huntr.dev (Third Party Advisory)
Frequently asked questions
- What is CVE-2021-3807?
- CVE-2021-3807 is a high-severity vulnerability in Ansi-Regex Project, classified under Inefficient Regular Expression Complexity. CVSS score: 7.5/10. Published 2021-09-17.
- How severe is CVE-2021-3807?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2021-3807 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.