7.5
HIGH
CVE-2021-23341
Prismjs ReDoS Vulnerability
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.

INFO

Published Date :

Feb. 18, 2021, 4:15 p.m.

Last Modified :

Feb. 26, 2021, 6:54 p.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2021-23341 has a 2 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2021-23341 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Prismjs prism
: Total Affected Vendor : 1 | Products : 1
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-23341.

URL Resource
https://github.com/PrismJS/prism/commit/c2f6a64426f44497a675cb32dccb079b3eff1609 Patch Third Party Advisory
https://github.com/PrismJS/prism/issues/2583 Exploit Patch Third Party Advisory
https://github.com/PrismJS/prism/pull/2584 Patch Third Party Advisory
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-1076583 Exploit Third Party Advisory
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1076582 Exploit Third Party Advisory
https://snyk.io/vuln/SNYK-JS-PRISMJS-1076581 Exploit Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
engn33r/awesome-redos-security

List of RegEx DoS (ReDoS) CVEs and resources

security awesome redos regex dos regex-dos pentesting awesome-list regex-security

Updated: 4 months, 1 week ago
23 stars 2 fork 2 watcher
Born at : June 10, 2021, 1:57 a.m. This repo has been linked 76 different CVEs too.
Profile Photo
yetingli/PoCs

A list of CVE's with Proof of Concepts

JavaScript HTML Python

Updated: 5 months ago
10 stars 2 fork 2 watcher
Born at : April 14, 2021, 7:12 a.m. This repo has been linked 20 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-23341 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-23341 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Feb. 26, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://github.com/PrismJS/prism/commit/c2f6a64426f44497a675cb32dccb079b3eff1609 No Types Assigned https://github.com/PrismJS/prism/commit/c2f6a64426f44497a675cb32dccb079b3eff1609 Patch, Third Party Advisory
    Changed Reference Type https://github.com/PrismJS/prism/issues/2583 No Types Assigned https://github.com/PrismJS/prism/issues/2583 Exploit, Patch, Third Party Advisory
    Changed Reference Type https://github.com/PrismJS/prism/pull/2584 No Types Assigned https://github.com/PrismJS/prism/pull/2584 Patch, Third Party Advisory
    Changed Reference Type https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-1076583 No Types Assigned https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-1076583 Exploit, Third Party Advisory
    Changed Reference Type https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1076582 No Types Assigned https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1076582 Exploit, Third Party Advisory
    Changed Reference Type https://snyk.io/vuln/SNYK-JS-PRISMJS-1076581 No Types Assigned https://snyk.io/vuln/SNYK-JS-PRISMJS-1076581 Exploit, Third Party Advisory
    Added CWE NIST NVD-CWE-noinfo
    Added CPE Configuration OR *cpe:2.3:a:prismjs:prism:*:*:*:*:*:node.js:*:* versions up to (excluding) 1.23.0
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-23341 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-23341 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.66 }} 0.08%

score

0.77251

percentile

CVSS31 - Vulnerability Scoring System
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