{"id":"CVE-2020-10739","state":"PUBLISHED","title":"Istio 1.4.x before 1.4.9 and Istio 1.5.x before 1.5.4 contain the following vulnerability when telemetry v2 is enabled: by sending a specially crafted packet, an attacker could tri","description":"Istio 1.4.x before 1.4.9 and Istio 1.5.x before 1.5.4 contain the following vulnerability when telemetry v2 is enabled: by sending a specially crafted packet, an attacker could trigger a Null Pointer Exception resulting in a Denial of Service. This could be sent to the ingress gateway or a sidecar, triggering a null pointer exception which results in a denial of service. This also affects servicemesh-proxy where a null pointer exception flaw was found in servicemesh-proxy. When running Telemetry v2 (not on by default in version 1.4.x), an attacker could send a specially crafted packet to the ingress gateway or proxy sidecar, triggering a denial of service.","publishedAt":"2020-06-02T12:22:15.000Z","updatedAt":"2024-08-04T11:14:14.693Z","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":"redhat"},"assigner":"redhat","products":["istio.io istio/envoy"],"affected":[{"vendor":"istio.io","product":"istio/envoy","versions":[{"version":">= 1.4.0, < 1.4.9","status":"affected"},{"version":">= 1.5.0, < 1.5.4","status":"affected"}]}],"references":["https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10739","https://istio.io/news/security/istio-security-2020-005/","https://github.com/istio/envoy/commit/8788a3cf255b647fd14e6b5e2585abaaedb28153#diff-fcf2cf5dd389b5285f882ba4a8708633"],"weaknesses":["CWE-476"],"ingestedAt":"2026-10-29T19:46:21.897Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2020/10xxx/CVE-2020-10739.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2020-10739","state":"PUBLISHED","datePublished":"2020-06-02T12:22:15.000Z","dateUpdated":"2024-08-04T11:14:14.693Z","assignerShortName":"redhat","assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","dateReserved":"2020-03-20T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Istio 1.4.x before 1.4.9 and Istio 1.5.x before 1.5.4 contain the following vulnerability when telemetry v2 is enabled: by sending a specially crafted packet, an attacker could trigger a Null Pointer Exception resulting in a Denial of Service. 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