{"cve":"CVE-2021-29469","nvd":{"published":"2021-04-23T18:15:08.303","modified":"2026-06-17T03:47:42.277","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-400"],"references":["https://github.com/NodeRedis/node-redis/commit/2d11b6dc9b9774464a91fb4b448bad8bf699629e","https://github.com/NodeRedis/node-redis/releases/tag/v3.1.1","https://github.com/NodeRedis/node-redis/security/advisories/GHSA-35q2-47q7-3pc3","https://security.netapp.com/advisory/ntap-20210611-0010/","https://github.com/NodeRedis/node-redis/commit/2d11b6dc9b9774464a91fb4b448bad8bf699629e"],"products":["redis.js:redis"],"source":"nvd","synced_at":"2026-10-19T21:17:01.373894544+00:00"},"epss":{"cve":"CVE-2021-29469","score":0.01629,"percentile":0.76192,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-35q2-47q7-3pc3","url":"https://osv.dev/vulnerability/GHSA-35q2-47q7-3pc3","summary":"Node-Redis potential exponential regex in monitor mode","modified":"2026-07-08T06:28:35.315015325Z","packages":[{"ecosystem":"npm","name":"redis","purl":"pkg:npm/redis","ranges":[">=2.6.0 <3.1.1"],"fixed":["3.1.1"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}