Resource exhaustion in Noderedis Node-Redis
CVE-2021-29469
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.
Vulnerability class: DoS (Denial of Service)
EPSS: 0.017 (74.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Noderedis Node-redis — versions < 3.1.1
- Redis.js Redis
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Patch, Third Party Advisory)
- security-advisories@github.com (Patch, Third Party Advisory, x_refsource_MISC)
- security-advisories@github.com (Third Party Advisory, x_refsource_MISC)
- security-advisories@github.com (x_refsource_CONFIRM, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-29469?
- CVE-2021-29469 is a medium-severity vulnerability in Noderedis Node-Redis, classified under Uncontrolled Resource Consumption. CVSS score: 5.3/10. Published 2021-04-23.
- How severe is CVE-2021-29469?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2021-29469 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.