CVE-2021-29469
Node-Redis potential exponential regex in monitor mode
7.5
HIGH
CVSS 3.1
EPSS 0.93%
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.
How to fix CVE-2021-29469
To remediate CVE-2021-29469, upgrade the affected package to a fixed version below.
- —upgrade to 3.0.2+~cs5.18.1-3 or later
- —upgrade to 3.1.1 or later
Is CVE-2021-29469 being exploited?
Low — EPSS is 0.9%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 3.0.2+~cs5.18.1-3
- >= 2.6.0, < 3.1.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |