CVE-2021-23341

Public Exploit

Regular Expression Denial of Service (ReDoS)

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.

7.5

CVSS

Severity: High

CVSS 3.1 •

CVSS 2.0 •

EPSS 1.76% Top 20%

Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory snyk.io Third-Party Advisory snyk.io Third-Party Advisory snyk.io

Affected: n/a prismjs

References

Link	Tags
https://snyk.io/vuln/SNYK-JS-PRISMJS-1076581	third party advisory exploit
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1076582	third party advisory exploit
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-1076583	third party advisory exploit
https://github.com/PrismJS/prism/commit/c2f6a64426f44497a675cb32dccb079b3eff1609	third party advisory patch
https://github.com/PrismJS/prism/issues/2583	exploit third party advisory patch
https://github.com/PrismJS/prism/pull/2584	third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-23341?: CVE-2021-23341 has been scored as a high severity vulnerability.
How to fix CVE-2021-23341?: To fix CVE-2021-23341, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-23341 being actively exploited in the wild?: It is possible that CVE-2021-23341 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-23341?: CVE-2021-23341 affects n/a prismjs.

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