7.5
HIGH CVSS 3.1
CVE-2021-29469
Node-Redis Regular Expression Denial of Service (ReDoS)
Description

Node-redis is a Node.js Redis client. Before version 3.1.1, when a client is in monitoring mode, the regex begin used to detected monitor messages could cause exponential backtracking on some strings. This issue could lead to a denial of service. The issue is patched in version 3.1.1.

INFO

Published Date :

April 23, 2021, 6:15 p.m.

Last Modified :

Nov. 21, 2024, 6:01 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2021-29469 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 Redis redis
1 Redis.js redis
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 MEDIUM [email protected]
CVSS 3.1 MEDIUM [email protected]
CVSS 3.1 HIGH [email protected]
Public PoC/Exploit Available at Github

CVE-2021-29469 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-29469 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-2021-29469 weaknesses.

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).

List of RegEx DoS (ReDoS) CVEs and resources

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

Updated: 6 months, 1 week ago
27 stars 3 fork 3 watcher
Born at : June 10, 2021, 1:57 a.m. This repo has been linked 76 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-2021-29469 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-29469 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 af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://github.com/NodeRedis/node-redis/commit/2d11b6dc9b9774464a91fb4b448bad8bf699629e
    Added Reference https://github.com/NodeRedis/node-redis/releases/tag/v3.1.1
    Added Reference https://github.com/NodeRedis/node-redis/security/advisories/GHSA-35q2-47q7-3pc3
    Added Reference https://security.netapp.com/advisory/ntap-20210611-0010/
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Reanalysis by [email protected]

    Aug. 03, 2022

    Action Type Old Value New Value
    Removed CWE NIST NVD-CWE-noinfo
    Added CWE NIST NVD-CWE-Other
  • Modified Analysis by [email protected]

    May. 27, 2022

    Action Type Old Value New Value
    Changed Reference Type https://security.netapp.com/advisory/ntap-20210611-0010/ No Types Assigned https://security.netapp.com/advisory/ntap-20210611-0010/ Third Party Advisory
  • CVE Modified by [email protected]

    Jun. 11, 2021

    Action Type Old Value New Value
    Added Reference https://security.netapp.com/advisory/ntap-20210611-0010/ [No Types Assigned]
  • Initial Analysis by [email protected]

    May. 03, 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/NodeRedis/node-redis/commit/2d11b6dc9b9774464a91fb4b448bad8bf699629e No Types Assigned https://github.com/NodeRedis/node-redis/commit/2d11b6dc9b9774464a91fb4b448bad8bf699629e Patch, Third Party Advisory
    Changed Reference Type https://github.com/NodeRedis/node-redis/releases/tag/v3.1.1 No Types Assigned https://github.com/NodeRedis/node-redis/releases/tag/v3.1.1 Third Party Advisory
    Changed Reference Type https://github.com/NodeRedis/node-redis/security/advisories/GHSA-35q2-47q7-3pc3 No Types Assigned https://github.com/NodeRedis/node-redis/security/advisories/GHSA-35q2-47q7-3pc3 Patch, Third Party Advisory
    Added CWE NIST NVD-CWE-noinfo
    Added CPE Configuration OR *cpe:2.3:a:redis.js:redis:*:*:*:*:*:node.js:*:* versions up to (excluding) 3.1.1
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.
Vulnerability Scoring Details
Base CVSS Score: 7.5
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 5
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

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

0.62 }} -0.00%

score

0.69021

percentile