{"id":"CVE-2022-0543","kind":"vulnerability","aliases":["CVE-2022-0543"],"related":[],"title":"Redis Debian-specific Redis Servers: Debian-specific Redis Server Lua Sandbox Escape Vulnerability","description":"It was discovered, that redis, a persistent key-value database, due to a packaging issue, is prone to a (Debian-specific) Lua sandbox escape, which could result in remote code execution.","summary":"Debian's packaged Redis server has a Lua sandbox escape that lets a script break out of the sandbox. An attacker who can run Lua on the server can execute code as the Redis process.","severity":"critical","cvss":10.0,"epss":0.99351,"exploited":true,"exploited_at":"2022-03-28T00:00:00+00:00","products":[{"name":"Redis Debian-specific Redis Servers","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["debian","exploited","redis","runtime","self-hosted"],"not_affected_if":["lua-disabled","non-debian-redis"],"how_to_check":null,"fix":"Apply the Debian security update for the redis packages per vendor instructions (CISA required action); the exact package version is unknown from the sources.","status":"open","published_at":"2022-02-18T20:15:17+00:00","first_seen_at":"2026-10-23T19:11:52+00:00","triaged_at":"2026-10-23T21:19:57+00:00","updated_at":"2026-10-23T21:57:35+00:00","category":"runtime","confidence":0.6,"triage":{"at":"2026-10-23T21:19:57Z","model":"claude-haiku-5-5","output":{"fix":"Apply the Debian security update for the redis packages per vendor instructions (CISA required action); the exact package version is unknown from the sources.","reach":"network","impact":"high","summary":"Debian's packaged Redis server has a Lua sandbox escape that lets a script break out of the sandbox. An attacker who can run Lua on the server can execute code as the Redis process.","category":"runtime","who_cares":["redis","debian","self-hosted"],"confidence":0.6,"needs_auth":"yes","worst_case":"Attacker escapes Lua sandbox and runs code on the Redis host","analyst_note":"Find the fixed Debian package versions and a check command in the Debian security tracker entry for CVE-2022-0543.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":["non-debian-redis","lua-disabled"],"user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"critical"},"cost_usd":0.00045,"input_tokens":2834,"output_tokens":333,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-0543':18A,21A '-2022':17A,20A 'attack':55B 'break':49B 'code':65B,101C 'could':97C 'cve':16A,19A 'databas':80C 'debian':3A,8A,24A,28B,35B,91C 'debian-specif':2A,7A,90C 'debian-specific':23A 'discov':72C 'due':81C 'escap':14A,44B,95C 'execut':64B,102C 'exploit':29B 'host':34B 'issu':85C 'key':78C 'key-valu':77C 'let':46B 'lua':12A,42B,59B,93C 'packag':37B,84C 'persist':76C 'process':69B 'prone':87C 'redi':1A,5A,10A,30B,38B,68B,74C 'redis':22A,26A 'remot':100C 'result':98C 'run':58B 'runtim':31B 'sandbox':13A,43B,53B,94C 'script':48B 'self':33B 'self-host':32B 'server':6A,11A,39B,62B 'servers':27A 'specif':4A,9A,92C 'specific':25A 'valu':79C 'vulner':15A","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2022-02-18T20:15:17+00:00","kev":{"dateAdded":"2022-03-28","dueDate":"2022-04-18","requiredAction":"Apply updates per vendor instructions.","knownRansomwareCampaignUse":"Unknown"},"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","cvss_by":"nvd@nist.gov","poc_count":0,"sources":[{"source":"kev","external_id":"CVE-2022-0543","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2022-0543","severity":null,"published_at":"2022-03-28T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:52+00:00","fetched_at":"2026-10-25T20:35:36+00:00","note":null},{"source":"epss","external_id":"CVE-2022-0543","url":"https://api.first.org/data/v1/epss?cve=CVE-2022-0543","severity":null,"published_at":null,"modified_at":null,"first_seen_at":"2026-10-23T19:13:44+00:00","fetched_at":"2026-10-23T19:13:44+00:00","note":null},{"source":"nvd","external_id":"CVE-2022-0543","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-0543","severity":null,"published_at":"2022-02-18T20:15:17+00:00","modified_at":"2026-06-17T04:20:48+00:00","first_seen_at":"2026-10-23T21:57:35+00:00","fetched_at":"2026-10-23T21:57:35+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}