{"id":"CVE-2022-27924","url":"https://www.cyber-defence.io/tools/cve/CVE-2022-27924","generatedAt":"2026-10-31T12:57:43.576Z","title":"Synacor Zimbra Collaboration Suite (ZCS) Command Injection Vulnerability","description":"Zimbra Collaboration (aka ZCS) 8.8.15 and 9.0 allows an unauthenticated attacker to inject arbitrary memcache commands into a targeted instance. These memcache commands becomes unescaped, causing an overwrite of arbitrary cached entries.","published":"2022-04-21T00:15:08.000Z","lastModified":"2026-10-02T14:55:02.000Z","status":"Analyzed","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},"cwe":["CWE-74"],"affected":["synacor/zimbra collaboration suite"],"epss":{"score":0.93908,"percentile":0.99844,"date":"2026-10-30","history":[{"date":"2026-10-02","score":0.93908,"percentile":0.99844}]},"kev":{"listed":true,"dateAdded":"2022-08-04","dueDate":"2022-08-25","knownRansomwareCampaignUse":"Known","notes":"Apply updates per vendor instructions.\nhttps://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P24.1#Security_Fixes;  https://nvd.nist.gov/vuln/detail/CVE-2022-27924"},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 25 August 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[{"kind":"epss","label":"EPSS jump","at":"2026-10-02T00:00:00.000Z","detail":{"to":0.93908,"from":0.85398,"percentile":0.99844},"summary":"EPSS moved from 85.4% to 93.9% probability of exploitation in the next thirty days."}],"references":[{"url":"https://wiki.zimbra.com/wiki/Security_Center","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P24","tags":["Release Notes","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://wiki.zimbra.com/wiki/Security_Center","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P24","tags":["Release Notes","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-27924","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2022-27924","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}