{"id":"CVE-2023-27100","state":"PUBLISHED","title":"Improper restriction of excessive authentication attempts in the SSHGuard component of Netgate pfSense Plus software v22.05.1 and pfSense CE software v2.6.0 allows attackers to byp","description":"Improper restriction of excessive authentication attempts in the SSHGuard component of Netgate pfSense Plus software v22.05.1 and pfSense CE software v2.6.0 allows attackers to bypass brute force protection mechanisms via crafted web requests.","publishedAt":"2023-03-22T00:00:00.000Z","updatedAt":"2025-02-25T21:10:13.968Z","severity":{"score":9.8,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://docs.netgate.com/downloads/pfSense-SA-23_05.sshguard.asc","https://redmine.pfsense.org/issues/13574","http://packetstormsecurity.com/files/171791/pfsenseCE-2.6.0-Protection-Bypass.html","https://packetstorm.news/files/id/171791"],"weaknesses":["CWE-307"],"ingestedAt":"2026-10-29T20:05:52.290Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/27xxx/CVE-2023-27100.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-27100","state":"PUBLISHED","datePublished":"2023-03-22T00:00:00.000Z","dateUpdated":"2025-02-25T21:10:13.968Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2023-02-27T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Improper restriction of excessive authentication attempts in the SSHGuard component of Netgate pfSense Plus software v22.05.1 and pfSense CE software v2.6.0 allows attackers to bypass brute force protection mechanisms via crafted web requests."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://docs.netgate.com/downloads/pfSense-SA-23_05.sshguard.asc"},{"url":"https://redmine.pfsense.org/issues/13574"},{"url":"http://packetstormsecurity.com/files/171791/pfsenseCE-2.6.0-Protection-Bypass.html"}],"problemTypes":[{"descriptions":[{"type":"text","lang":"en","description":"n/a"}]}],"providerMetadata":{"shortName":"mitre","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateUpdated":"2023-04-10T00:00:00.000Z"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://docs.netgate.com/downloads/pfSense-SA-23_05.sshguard.asc","tags":["x_transferred"]},{"url":"https://redmine.pfsense.org/issues/13574","tags":["x_transferred"]},{"url":"http://packetstormsecurity.com/files/171791/pfsenseCE-2.6.0-Protection-Bypass.html","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T12:01:32.502Z"}},{"title":"CISA ADP Vulnrichment","references":[{"url":"https://packetstorm.news/files/id/171791","tags":["exploit"]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":9.8,"attackVector":"NETWORK","baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2025-02-25T21:10:08.762346Z","id":"CVE-2023-27100","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-307","type":"CWE","lang":"en","description":"CWE-307 Improper Restriction of Excessive Authentication Attempts"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-02-25T21:10:13.968Z"}}]}}}