{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-25200","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2025-02-03T19:30:53.400Z","datePublished":"2025-02-12T17:59:04.615Z","dateUpdated":"2025-02-12T19:29:10.232Z"},"containers":{"cna":{"title":"Koa has Inefficient Regular Expression Complexity","problemTypes":[{"descriptions":[{"cweId":"CWE-1333","lang":"en","description":"CWE-1333: Inefficient Regular Expression Complexity","type":"CWE"}]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"HIGH","baseScore":9.2,"baseSeverity":"CRITICAL","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H","version":"4.0"}}],"references":[{"name":"https://github.com/koajs/koa/security/advisories/GHSA-593f-38f6-jp5m","tags":["x_refsource_CONFIRM"],"url":"https://github.com/koajs/koa/security/advisories/GHSA-593f-38f6-jp5m"},{"name":"https://github.com/koajs/koa/commit/5054af6e31ffd451a4151a1fe144cef6e5d0d83c","tags":["x_refsource_MISC"],"url":"https://github.com/koajs/koa/commit/5054af6e31ffd451a4151a1fe144cef6e5d0d83c"},{"name":"https://github.com/koajs/koa/commit/5f294bb1c7c8d9c61904378d250439a321bffd32","tags":["x_refsource_MISC"],"url":"https://github.com/koajs/koa/commit/5f294bb1c7c8d9c61904378d250439a321bffd32"},{"name":"https://github.com/koajs/koa/commit/93fe903fc966635a991bcf890cfc3427d33a1a08","tags":["x_refsource_MISC"],"url":"https://github.com/koajs/koa/commit/93fe903fc966635a991bcf890cfc3427d33a1a08"},{"name":"https://github.com/koajs/koa/blob/master/lib/request.js#L259","tags":["x_refsource_MISC"],"url":"https://github.com/koajs/koa/blob/master/lib/request.js#L259"},{"name":"https://github.com/koajs/koa/blob/master/lib/request.js#L404","tags":["x_refsource_MISC"],"url":"https://github.com/koajs/koa/blob/master/lib/request.js#L404"},{"name":"https://github.com/koajs/koa/releases/tag/2.15.4","tags":["x_refsource_MISC"],"url":"https://github.com/koajs/koa/releases/tag/2.15.4"}],"affected":[{"vendor":"koajs","product":"koa","versions":[{"version":"< 0.21.2","status":"affected"},{"version":">= 1.0.0, < 1.7.1","status":"affected"},{"version":">= 2.0.0-alpha.1, < 2.15.4","status":"affected"},{"version":">= 3.0.0-alpha.0, < < 3.0.0-alpha.3","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2025-02-12T17:59:04.615Z"},"descriptions":[{"lang":"en","value":"Koa is expressive middleware for Node.js using ES2017 async functions. Prior to versions 0.21.2, 1.7.1, 2.15.4, and 3.0.0-alpha.3, Koa uses an evil regex to parse the `X-Forwarded-Proto` and `X-Forwarded-Host` HTTP headers. This can be exploited to carry out a Denial-of-Service attack. Versions 0.21.2, 1.7.1, 2.15.4, and 3.0.0-alpha.3 fix the issue."}],"source":{"advisory":"GHSA-593f-38f6-jp5m","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-02-12T18:33:35.286450Z","id":"CVE-2025-25200","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-02-12T19:29:10.232Z"}}]}}