Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2021-29469

25
FAUCET Score

CVE-2021-29469 is a denial-of-service vulnerability affecting Node-redis versions prior to 3.1.1. Specifically, a client in monitoring mode could be susceptible to exponential backtracking due to a flawed regex, leading to a denial of service. This vulnerability has a CVSS score of 7.5 (High), indicating it can be exploited remotely with low attack complexity, resulting in high availability impact. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.1.1CPE matchmatch criteria
cpe:2.3:a:redis.js:redis:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

5.3MEDIUM

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.6
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.67%
Probability of exploitation in next 30 days
EPSS Percentile
74.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0167 is in the 57th percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: redisFixed in: 3.1.1

Vendor Advisories (1)

npmGHSA-35q2-47q7-3pc3high

Node-Redis potential exponential regex in monitor mode

Apr 27, 2021

References

github.com / NodeRedis/node-redis/commit/2d11b6dc9b9774464a91fb4b448bad8bf699629e
PatchThird Party Advisory
github.com / NodeRedis/node-redis/releases/tag/v3.1.1
Third Party Advisory
github.com / NodeRedis/node-redis/security/advisories/GHSA-35q2-47q7-3pc3
PatchThird Party Advisory
security.netapp.com / advisory/ntap-20210611-0010
Third Party Advisory