{"id":"CVE-2024-40634","state":"PUBLISHED","title":"Argo CD Unauthenticated Denial of Service (DoS) Vulnerability via /api/webhook Endpoint","description":"Argo CD is a declarative, GitOps continuous delivery tool for Kubernetes. This report details a security vulnerability in Argo CD, where an unauthenticated attacker can send a specially crafted large JSON payload to the /api/webhook endpoint, causing excessive memory allocation that leads to service disruption by triggering an Out Of Memory (OOM) kill. The issue poses a high risk to the availability of Argo CD deployments. This vulnerability is fixed in 2.11.6, 2.10.15, and 2.9.20.\n","publishedAt":"2024-07-22T17:22:55.732Z","updatedAt":"2024-08-02T04:33:11.910Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["argoproj argo-cd"],"affected":[{"vendor":"argoproj","product":"argo-cd","versions":[{"version":">= 1.0.0, < 2.9.20","status":"affected"},{"version":">= 2.10.0, < 2.10.15","status":"affected"},{"version":">= 2.11.0, < 2.11.6","status":"affected"}]}],"references":["https://github.com/argoproj/argo-cd/security/advisories/GHSA-jmvp-698c-4x3w","https://github.com/argoproj/argo-cd/commit/46c0c0b64deaab1ece70cb701030b76668ad0cdc","https://github.com/argoproj/argo-cd/commit/540e3a57b90eb3655db54793332fac86bcc38b36","https://github.com/argoproj/argo-cd/commit/d881ee78949e23160a0b280bb159e4d3d625a4df"],"weaknesses":["CWE-400"],"ingestedAt":"2026-10-29T20:07:39.287Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/40xxx/CVE-2024-40634.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2024-40634","state":"PUBLISHED","datePublished":"2024-07-22T17:22:55.732Z","dateUpdated":"2024-08-02T04:33:11.910Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2024-07-08T16:13:15.511Z"},"containers":{"cna":{"title":"Argo CD Unauthenticated Denial of Service (DoS) Vulnerability via /api/webhook Endpoint","descriptions":[{"lang":"en","value":"Argo CD is a declarative, GitOps continuous delivery tool for Kubernetes. This report details a security vulnerability in Argo CD, where an unauthenticated attacker can send a specially crafted large JSON payload to the /api/webhook endpoint, causing excessive memory allocation that leads to service disruption by triggering an Out Of Memory (OOM) kill. The issue poses a high risk to the availability of Argo CD deployments. This vulnerability is fixed in 2.11.6, 2.10.15, and 2.9.20.\n"}],"affected":[{"vendor":"argoproj","product":"argo-cd","versions":[{"version":">= 1.0.0, < 2.9.20","status":"affected"},{"version":">= 2.10.0, < 2.10.15","status":"affected"},{"version":">= 2.11.0, < 2.11.6","status":"affected"}]}],"references":[{"url":"https://github.com/argoproj/argo-cd/security/advisories/GHSA-jmvp-698c-4x3w","name":"https://github.com/argoproj/argo-cd/security/advisories/GHSA-jmvp-698c-4x3w","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/argoproj/argo-cd/commit/46c0c0b64deaab1ece70cb701030b76668ad0cdc","name":"https://github.com/argoproj/argo-cd/commit/46c0c0b64deaab1ece70cb701030b76668ad0cdc","tags":["x_refsource_MISC"]},{"url":"https://github.com/argoproj/argo-cd/commit/540e3a57b90eb3655db54793332fac86bcc38b36","name":"https://github.com/argoproj/argo-cd/commit/540e3a57b90eb3655db54793332fac86bcc38b36","tags":["x_refsource_MISC"]},{"url":"https://github.com/argoproj/argo-cd/commit/d881ee78949e23160a0b280bb159e4d3d625a4df","name":"https://github.com/argoproj/argo-cd/commit/d881ee78949e23160a0b280bb159e4d3d625a4df","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-400","lang":"en","description":"CWE-400: Uncontrolled Resource Consumption","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2024-07-22T17:22:55.732Z"},"source":{"advisory":"GHSA-jmvp-698c-4x3w","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","affected":[{"vendor":"argoproj","product":"argo-cd","defaultStatus":"unknown","versions":[{"version":"1.0.0","status":"affected","lessThan":"2.9.20","versionType":"custom"},{"version":"2.10.0","status":"affected","lessThan":"2.10.15","versionType":"custom"},{"version":"2.11.0","status":"affected","lessThan":"2.11.6","versionType":"custom"}],"cpes":["cpe:2.3:a:argoproj:argo-cd:*:*:*:*:*:*:*:*"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-07-23T13:12:57.451737Z","id":"CVE-2024-40634","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-07-23T13:19:36.934Z"}},{"title":"CVE Program Container","references":[{"url":"https://github.com/argoproj/argo-cd/security/advisories/GHSA-jmvp-698c-4x3w","name":"https://github.com/argoproj/argo-cd/security/advisories/GHSA-jmvp-698c-4x3w","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://github.com/argoproj/argo-cd/commit/46c0c0b64deaab1ece70cb701030b76668ad0cdc","name":"https://github.com/argoproj/argo-cd/commit/46c0c0b64deaab1ece70cb701030b76668ad0cdc","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://github.com/argoproj/argo-cd/commit/540e3a57b90eb3655db54793332fac86bcc38b36","name":"https://github.com/argoproj/argo-cd/commit/540e3a57b90eb3655db54793332fac86bcc38b36","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://github.com/argoproj/argo-cd/commit/d881ee78949e23160a0b280bb159e4d3d625a4df","name":"https://github.com/argoproj/argo-cd/commit/d881ee78949e23160a0b280bb159e4d3d625a4df","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T04:33:11.910Z"}}]}}}