Vulnerability in Parse-Link-Header Project
CVE-2021-23490
The package parse-link-header before 2.0.0 are vulnerable to Regular Expression Denial of Service (ReDoS) via the checkHeader function.
Vulnerability class: ReDoS (Regular Expression Denial of Service)
EPSS: 0.018 (76.7th 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
- Parse-link-header_project Parse-link-header
- N/a Parse-link-header — versions unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
References
- report@snyk.io (Exploit, Patch, Third Party Advisory, x_refsource_MISC)
- report@snyk.io (Exploit, Patch, Third Party Advisory, x_refsource_MISC)
- report@snyk.io (Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-23490?
- CVE-2021-23490 is a high-severity vulnerability in Parse-Link-Header Project, classified under Inefficient Regular Expression Complexity. CVSS score: 7.5/10. Published 2021-12-24.
- How severe is CVE-2021-23490?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2021-23490 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.