CVE-2021-23490
HIGHCVSS 7.5/10EPSS 1.83%
Last modified
CVE-2021-23490 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. The package parse-link-header before 2.0.0 are vulnerable to Regular Expression Denial of Service (ReDoS) via the checkHeader function.. EPSS estimates a 1.83% chance of exploitation in the next 30 days.
Description
The package parse-link-header before 2.0.0 are vulnerable to Regular Expression Denial of Service (ReDoS) via the checkHeader function.
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 |
|---|---|---|
| Parse-Link-Header Project | Parse-Link-Header | < 2.0.0 |
References
- https://github.com/thlorenz/parse-link-header/commit/72f05c717b3f129c5331a07bf300ed8886eb8ae1Patch, Third Party Advisory
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-2321973Exploit, Patch, Third Party Advisory
- https://snyk.io/vuln/SNYK-JS-PARSELINKHEADER-1582783Exploit, Patch, Third Party Advisory
- https://github.com/thlorenz/parse-link-header/commit/72f05c717b3f129c5331a07bf300ed8886eb8ae1Patch, Third Party Advisory
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-2321973Exploit, Patch, Third Party Advisory
- https://snyk.io/vuln/SNYK-JS-PARSELINKHEADER-1582783Exploit, Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2021-23490?
CVE-2021-23490 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.83% probability of exploitation in the next 30 days.
How do I fix CVE-2021-23490?
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.
Related CVEs from 2021
- CVE-2021-2347Vulnerability in the Hyperion Infrastructure Technology prod…5.2
- CVE-2021-23470This affects the package putil-merge before 3.8.0. The merge…9.8
- CVE-2021-23472This affects versions before 1.19.1 of package bootstrap-tab…6.1
- CVE-2021-2348Vulnerability in the Oracle Commerce Guided Search / Oracle …4.3
- CVE-2021-23484The package zip-local before 0.3.5 are vulnerable to Arbitra…9.8
- CVE-2021-2349Vulnerability in the Hyperion Essbase Administration Service…8.6
- CVE-2021-23495The package karma before 6.3.16 are vulnerable to Open Redir…6.1
- CVE-2021-23497This affects the package @strikeentco/set before 1.0.2. It a…9.8
- CVE-2021-2350Vulnerability in the Hyperion Essbase Administration Service…7.5
- CVE-2021-23507The package object-path-set before 1.0.2 are vulnerable to P…9.8
- CVE-2021-23509This affects the package json-ptr before 3.0.0. A type confu…9.8
- CVE-2021-2351Vulnerability in the Advanced Networking Option component of…8.3
Are you affected by CVE-2021-23490?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST