CVE-2021-23341
HIGHCVSS 7.5/10EPSS 3.17%
Last modified
CVE-2021-23341 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. The package prismjs before 1.23.0 are vulnerable to Regular Expression Denial of Service (ReDoS) via the prism-asciidoc, prism-rest, prism-tap and prism-eiffel components.. EPSS estimates a 3.17% chance of exploitation in the next 30 days.
Description
The package prismjs before 1.23.0 are vulnerable to Regular Expression Denial of Service (ReDoS) via the prism-asciidoc, prism-rest, prism-tap and prism-eiffel components.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Prismjs | Prism | < 1.23.0 |
References
- https://github.com/PrismJS/prism/commit/c2f6a64426f44497a675cb32dccb079b3eff1609Patch, Third Party Advisory
- https://github.com/PrismJS/prism/issues/2583Exploit, Patch, Third Party Advisory
- https://github.com/PrismJS/prism/pull/2584Patch, Third Party Advisory
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-1076583Exploit, Third Party Advisory
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1076582Exploit, Third Party Advisory
- https://snyk.io/vuln/SNYK-JS-PRISMJS-1076581Exploit, Third Party Advisory
- https://github.com/PrismJS/prism/commit/c2f6a64426f44497a675cb32dccb079b3eff1609Patch, Third Party Advisory
- https://github.com/PrismJS/prism/issues/2583Exploit, Patch, Third Party Advisory
- https://github.com/PrismJS/prism/pull/2584Patch, Third Party Advisory
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-1076583Exploit, Third Party Advisory
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1076582Exploit, Third Party Advisory
- https://snyk.io/vuln/SNYK-JS-PRISMJS-1076581Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-23341?
The package prismjs before 1.23.0 are vulnerable to Regular Expression Denial of Service (ReDoS) via the prism-asciidoc, prism-rest, prism-tap and prism-eiffel components.
How severe is CVE-2021-23341?
CVE-2021-23341 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 3.17% probability of exploitation in the next 30 days.
How do I fix CVE-2021-23341?
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-2021-23341?
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