{"id":"CVE-2021-23204","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-23204","generatedAt":"2026-10-27T23:43:19.930Z","title":"Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Gallagher Command Centre Server allows OSDP key material to be exposed to Command Centre Operators.","description":"Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Gallagher Command Centre Server allows OSDP key material to be exposed to Command Centre Operators. This issue affects: Gallagher Command Centre 8.40 versions prior to 8.40.1888 (MR3); 8.30 versions prior to 8.30.1359 (MR3).","published":"2021-06-11T16:15:12.000Z","lastModified":"2026-06-17T03:38:25.000Z","status":"Modified","sourceIdentifier":"disclosures@gallagher.com","cvss":{"version":"3.1","score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},"cwe":["CWE-200","CWE-862"],"affected":["gallagher/command centre"],"epss":{"score":0.00698,"percentile":0.52814,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.70%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://security.gallagher.com/Security-Advisories/CVE-2021-23204","tags":["Vendor Advisory"],"source":"disclosures@gallagher.com"},{"url":"https://security.gallagher.com/Security-Advisories/CVE-2021-23204","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-23204","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."}