{"id":"CVE-2020-21468","title":"A segmentation fault in the redis-server component of Redis 5.0.7 leads to a denial of service (DOS)","summary":"A segmentation fault in the redis-server component of Redis 5.0.7 leads to a denial of service (DOS). NOTE: the vendor cannot reproduce this issue in a released version, such as 5.0.7.","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","vendor":"redislabs","product":"redis","affected":["redis = 5.0.7"],"published":"2021-09-20","updated":"2026-07-05","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2020-21468","references":[{"url":"https://github.com/antirez/redis/issues/6633","label":"cve@mitre.org"},{"url":"http://redis.com","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/antirez/redis/issues/6633","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.01202,"epssPercentile":0.66894,"ingestedAt":"2026-07-06T01:08:17.033Z","slug":"CVE-2020-21468","body":"## Overview\n\nA segmentation fault in the redis-server component of Redis 5.0.7 leads to a denial of service (DOS). NOTE: the vendor cannot reproduce this issue in a released version, such as 5.0.7.\n\n## Affected\n\n- `redis = 5.0.7`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}