{"id":"CVE-2024-40632","aliases":["EUVD-2024-38551","GHSA-6v94-gj6x-jqj7","GO-2024-2984"],"status":"published","title":"Linkerd potential access to the shutdown endpoint","description":"Linkerd is an open source, ultralight, security-first service mesh for Kubernetes. In affected versions when the application being run by linkerd is susceptible to SSRF, an attacker could potentially trigger a denial-of-service (DoS) attack by making requests to localhost:4191/shutdown. Linkerd could introduce an optional environment variable to control a token that must be passed as a header. Linkerd should reject shutdown requests that do not include this header. This issue has been addressed in release version edge-24.6.2 and all users are advised to upgrade. There are no known workarounds for this vulnerability.","severity":{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00444,"percentile":0.38955,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-918"],"published":"2024-07-15T21:22:57Z","modified":"2026-10-28T02:31:10Z","fixes":[{"ecosystem":"Go","package":"github.com/linkerd/linkerd2","fixed_in":["0.5.1-0.20240614165515-35fb2d6d11ef"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Go","package":"github.com/linkerd/linkerd2","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.5.1-0.20240614165515-35fb2d6d11ef"}]}]}],"products":[{"vendor":"linkerd","product":"linkerd2"}],"references":[{"url":"https://github.com/linkerd/linkerd2/security/advisories/GHSA-6v94-gj6x-jqj7","tags":["x_refsource_CONFIRM","x_transferred","advisory","web"]},{"url":"https://github.com/linkerd/linkerd2/commit/35fb2d6d11ef6520ae516dd717790529f85224fa","tags":["x_refsource_MISC","x_transferred","fix"]},{"url":"https://github.com/linkerd/linkerd2-proxy/blob/46957de49f25fd4661af7b7c52659148f4d6dd27/linkerd/app/admin/src/server.rs","tags":["x_refsource_MISC","x_transferred","web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/40xxx/CVE-2024-40632.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-40632","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2024-40632","title":"Linkerd potential access to the shutdown endpoint","description":"Linkerd is an open source, ultralight, security-first service mesh for Kubernetes. In affected versions when the application being run by linkerd is susceptible to SSRF, an attacker could potentially trigger a denial-of-service (DoS) attack by making requests to localhost:4191/shutdown. Linkerd could introduce an optional environment variable to control a token that must be passed as a header. Linkerd should reject shutdown requests that do not include this header. This issue has been addressed in release version edge-24.6.2 and all users are advised to upgrade. There are no known workarounds for this vulnerability.","status":"published","published":"2024-07-15T21:22:57.957Z","modified":"2024-08-02T04:33:11.882Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"cna"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:34:07.152829Z"}],"euvd":[{"id":"EUVD-2024-38551","description":"Linkerd is an open source, ultralight, security-first service mesh for Kubernetes. In affected versions when the application being run by linkerd is susceptible to SSRF, an attacker could potentially trigger a denial-of-service (DoS) attack by making requests to localhost:4191/shutdown. Linkerd could introduce an optional environment variable to control a token that must be passed as a header. Linkerd should reject shutdown requests that do not include this header. This issue has been addressed in release version edge-24.6.2 and all users are advised to upgrade. There are no known workarounds for this vulnerability.","status":"published","published":"2024-07-15T21:22:57Z","modified":"2024-08-02T04:33:11Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"low"}],"updated_at":"2026-11-03T03:50:16.930013Z"}],"nvd":[{"id":"CVE-2024-40632","description":"Linkerd is an open source, ultralight, security-first service mesh for Kubernetes. In affected versions when the application being run by linkerd is susceptible to SSRF, an attacker could potentially trigger a denial-of-service (DoS) attack by making requests to localhost:4191/shutdown. Linkerd could introduce an optional environment variable to control a token that must be passed as a header. Linkerd should reject shutdown requests that do not include this header. This issue has been addressed in release version edge-24.6.2 and all users are advised to upgrade. There are no known workarounds for this vulnerability.","status":"published","published":"2024-07-15T22:15:03.017Z","modified":"2026-06-17T07:46:12.477Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"secondary"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:10:12.994089Z"}],"osv":[{"id":"CVE-2024-40632","title":"Linkerd potential access to the shutdown endpoint","description":"Linkerd is an open source, ultralight, security-first service mesh for Kubernetes. In affected versions when the application being run by linkerd is susceptible to SSRF, an attacker could potentially trigger a denial-of-service (DoS) attack by making requests to localhost:4191/shutdown. Linkerd could introduce an optional environment variable to control a token that must be passed as a header. Linkerd should reject shutdown requests that do not include this header. This issue has been addressed in release version edge-24.6.2 and all users are advised to upgrade. There are no known workarounds for this vulnerability.","status":"published","published":"2024-07-15T21:22:57.957Z","modified":"2026-10-28T02:31:10.631931976Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"low"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T15:44:41.618074Z"},{"id":"GO-2024-2984","title":"Linkerd potential access to the shutdown endpoint in github.com/linkerd/linkerd2","description":"Linkerd potential access to the shutdown endpoint in github.com/linkerd/linkerd2","status":"published","published":"2024-07-22T18:24:29Z","modified":"2025-10-15T11:42:28.655831Z","updated_at":"2026-11-02T15:47:01.453823Z"}]}}