{"id":"CVE-2025-0752","aliases":["EUVD-2025-1853","GHSA-wpxv-x75w-vp46"],"status":"published","title":"Envoyproxy: openshift service mesh envoy http header sanitization bypass leading to dos and unauthorized access","description":"A flaw was found in OpenShift Service Mesh 2.6.3 and 2.5.6. Rate-limiter avoidance, access-control bypass, CPU and memory exhaustion, and replay attacks may be possible due to improper HTTP header sanitization in Envoy.","severity":{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00424,"percentile":0.3703,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-444"],"published":"2025-01-28T09:29:33Z","modified":"2026-06-17T08:27:05Z","products":[{"vendor":"red hat","product":"openshift service mesh 2"},{"vendor":"redhat","product":"openshift_service_mesh"}],"references":[{"url":"https://access.redhat.com/security/cve/CVE-2025-0752","tags":["vdb-entry","x_refsource_REDHAT","Vendor Advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2339115","tags":["issue-tracking","x_refsource_REDHAT","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-0752"},{"url":"https://github.com/advisories/GHSA-wpxv-x75w-vp46"}],"sources":{"cve":[{"id":"CVE-2025-0752","title":"Envoyproxy: openshift service mesh envoy http header sanitization bypass leading to dos and unauthorized access","description":"A flaw was found in OpenShift Service Mesh 2.6.3 and 2.5.6. Rate-limiter avoidance, access-control bypass, CPU and memory exhaustion, and replay attacks may be possible due to improper HTTP header sanitization in Envoy.","status":"published","published":"2025-01-28T09:29:33.073Z","modified":"2026-02-24T08:03:27.631Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-444"],"updated_at":"2026-11-02T14:32:53.81273Z"}],"euvd":[{"id":"EUVD-2025-1853","description":"A flaw was found in OpenShift Service Mesh 2.6.3 and 2.5.6. Rate-limiter avoidance, access-control bypass, CPU and memory exhaustion, and replay attacks may be possible due to improper HTTP header sanitization in Envoy.","status":"published","published":"2025-01-28T09:29:33Z","modified":"2026-02-24T08:03:27Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H","level":"high"}],"updated_at":"2026-11-02T19:48:29.958768Z"}],"ghsa":[{"id":"GHSA-wpxv-x75w-vp46","title":"A flaw was found in OpenShift Service Mesh 2.6.3 and 2.5.6. Rate-limiter avoidance, access...","description":"A flaw was found in OpenShift Service Mesh 2.6.3 and 2.5.6. Rate-limiter avoidance, access-control bypass, CPU and memory exhaustion, and replay attacks may be possible due to improper HTTP header sanitization in Envoy.","status":"published","published":"2025-01-28T12:31:07Z","modified":"2025-01-28T12:31:08Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"cwes":["CWE-444"],"updated_at":"2026-11-02T14:59:42.234766Z"}],"nvd":[{"id":"CVE-2025-0752","description":"A flaw was found in OpenShift Service Mesh 2.6.3 and 2.5.6. Rate-limiter avoidance, access-control bypass, CPU and memory exhaustion, and replay attacks may be possible due to improper HTTP header sanitization in Envoy.","status":"published","published":"2025-01-28T10:15:09.493Z","modified":"2026-06-17T08:27:05.76Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-444"],"updated_at":"2026-11-02T14:10:49.841519Z"}]}}