{"id":"CVE-2026-20757","state":"PUBLISHED","title":"Improper Locking vulnerability (CWE-667) in Gallagher Morpho integration allows a privileged operator to cause a limited denial-of-service in the Command Centre Server.","description":"Improper Locking vulnerability (CWE-667) in Gallagher Morpho integration allows a privileged operator to cause a limited denial-of-service in the Command Centre Server.\n\n\n\nThis issue affects Command Centre Server: \n\n9.40 prior to vEL9.40.1976(MR1), 9.30 prior to vEL9.30.3382 (MR4), 9.20 prior to vEL9.20.3783 (MR6), 9.10 prior to vEL9.10.4647 (MR9), all versions of 9.00 and prior.","publishedAt":"2026-03-03T02:40:45.702Z","updatedAt":"2026-03-03T15:43:33.823Z","severity":{"score":2.5,"label":"Low","version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L","source":"Gallagher"},"assigner":"Gallagher","products":["Gallagher Command Centre Server"],"affected":[{"vendor":"Gallagher","product":"Command Centre Server","defaultStatus":"affected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"9.00","versionType":"custom"},{"version":"9.40","status":"affected","lessThan":"9.40.1976(MR1)","versionType":"custom"},{"version":"9.30","status":"affected","lessThan":"9.30.3382 (MR4)","versionType":"custom"},{"version":"9.20","status":"affected","lessThan":"9.20.3783 (MR6)","versionType":"custom"},{"version":"9.10","status":"affected","lessThan":"9.10.4647 (MR9)","versionType":"custom"}]}],"references":["https://security.gallagher.com/en-NZ/Security-Advisories/CVE-2026-20757"],"weaknesses":["CWE-667"],"ingestedAt":"2026-10-29T20:11:10.572Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/20xxx/CVE-2026-20757.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-20757","state":"PUBLISHED","datePublished":"2026-03-03T02:40:45.702Z","dateUpdated":"2026-03-03T15:43:33.823Z","assignerShortName":"Gallagher","assignerOrgId":"0c426f27-3ee1-4eff-be88-288d5a1822bc","dateReserved":"2026-03-01T23:45:09.766Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Improper Locking vulnerability (CWE-667) in Gallagher Morpho integration allows a privileged operator to cause a limited denial-of-service in the Command Centre Server.\n\n\n\nThis issue affects Command Centre Server: \n\n9.40 prior to vEL9.40.1976(MR1), 9.30 prior to vEL9.30.3382 (MR4), 9.20 prior to vEL9.20.3783 (MR6), 9.10 prior to vEL9.10.4647 (MR9), all versions of 9.00 and prior."}],"affected":[{"vendor":"Gallagher","product":"Command Centre Server","defaultStatus":"affected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"9.00","versionType":"custom"},{"version":"9.40","status":"affected","lessThan":"9.40.1976(MR1)","versionType":"custom"},{"version":"9.30","status":"affected","lessThan":"9.30.3382 (MR4)","versionType":"custom"},{"version":"9.20","status":"affected","lessThan":"9.20.3783 (MR6)","versionType":"custom"},{"version":"9.10","status":"affected","lessThan":"9.10.4647 (MR9)","versionType":"custom"}]}],"references":[{"url":"https://security.gallagher.com/en-NZ/Security-Advisories/CVE-2026-20757"}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"LOW","baseScore":2.5,"baseSeverity":"LOW","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-667","description":"CWE-667 Improper Locking","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"Gallagher","orgId":"0c426f27-3ee1-4eff-be88-288d5a1822bc","dateUpdated":"2026-03-03T02:40:45.702Z"},"source":{"discovery":"INTERNAL"},"x_generator":{"engine":"Vulnogram 0.5.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-03T15:38:55.859473Z","id":"CVE-2026-20757","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-03-03T15:43:33.823Z"}}]}}}