CVE-2022-36021
Authenticated users can use string matching commands (like `SCAN` or `KEYS`) with a specially crafted pattern to trigger a denial-of-service attack on Redis, causing it to hang and consume 100% CPU time.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 60.5%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
Description
Redis is an in-memory database that persists on disk. Authenticated users can use string matching commands (like `SCAN` or `KEYS`) with a specially crafted pattern to trigger a denial-of-service attack on Redis, causing it to hang and consume 100% CPU time. The problem is fixed in Redis versions 6.0.18, 6.2.11, 7.0.9.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 60.53% probability · 99th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-407
- Affected
- redis/redis
- Source
- security-advisories@github.com
References
- https://github.com/redis/redis/commit/dcbfcb916ca1a269b3feef86ee86835294758f84Patch
- https://github.com/redis/redis/security/advisories/GHSA-jr7j-rfj5-8xqvVendor Advisory
- https://github.com/redis/redis/commit/dcbfcb916ca1a269b3feef86ee86835294758f84Patch
- https://github.com/redis/redis/security/advisories/GHSA-jr7j-rfj5-8xqvVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.