{"id":"CVE-2020-8660","aliases":["BIT-envoy-2020-8660","EUVD-2020-29508","GHSA-c4g8-7grc-5wvx","RHSA-2020:0734"],"status":"published","title":"Red Hat Security Advisory: Red Hat OpenShift Service Mesh 1.0.9 servicemesh-proxy security update","description":"CNCF Envoy through 1.13.0 TLS inspector bypass. TLS inspector could have been bypassed (not recognized as a TLS client) by a client using only TLS 1.3. Because TLS extensions (SNI, ALPN) were not inspected, those connections might have been matched to a wrong filter chain, possibly bypassing some security restrictions in the process.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00606,"percentile":0.49336,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-345"],"published":"2020-03-04T21:10:15Z","modified":"2026-10-20T10:54:25Z","fixes":[{"ecosystem":"Bitnami","package":"envoy","fixed_in":["1.12.3","1.13.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"envoy","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.12.3"},{"introduced":"1.13.0"},{"fixed":"1.13.1"}]}]},{"source":"osv","ecosystem":"Red Hat:service_mesh:1.0::el8","package":"servicemesh-proxy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.0.9-2.el8"}]}],"bundled":4}],"products":[{"vendor":"envoyproxy","product":"envoy"}],"references":[{"url":"https://www.envoyproxy.io/docs/envoy/v1.13.1/intro/version_history","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory"]},{"url":"https://github.com/envoyproxy/envoy/security/advisories/GHSA-c4g8-7grc-5wvx","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","article"]},{"url":"https://access.redhat.com/errata/RHSA-2020:0734","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-8660","tags":["web","advisory"]},{"url":"https://access.redhat.com/security/updates/classification/#moderate","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1802539","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1802540","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1802542","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1802545","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2020/rhsa-2020_0734.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2020-8659","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-8659","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-8659","tags":["advisory"]},{"url":"https://github.com/envoyproxy/envoy/security/advisories/GHSA-jwcm-4pwp-c2qv","tags":["article"]},{"url":"https://access.redhat.com/security/cve/CVE-2020-8660","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-8660","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2020-8661","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-8661","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-8661","tags":["advisory"]},{"url":"https://github.com/envoyproxy/envoy/security/advisories/GHSA-36cq-ww7h-p4j7","tags":["article"]},{"url":"https://access.redhat.com/security/cve/CVE-2020-8664","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-8664","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-8664","tags":["advisory"]},{"url":"https://github.com/envoyproxy/envoy/security/advisories/GHSA-3x9m-pgmg-xpx8","tags":["article"]}],"sources":{"cve":[{"id":"CVE-2020-8660","description":"CNCF Envoy through 1.13.0 TLS inspector bypass. TLS inspector could have been bypassed (not recognized as a TLS client) by a client using only TLS 1.3. Because TLS extensions (SNI, ALPN) were not inspected, those connections might have been matched to a wrong filter chain, possibly bypassing some security restrictions in the process.","status":"published","published":"2020-03-04T21:10:15Z","modified":"2024-08-04T10:03:46.318Z","updated_at":"2026-11-02T14:35:50.88562Z"}],"euvd":[{"id":"EUVD-2020-29508","description":"CNCF Envoy through 1.13.0 TLS inspector bypass. TLS inspector could have been bypassed (not recognized as a TLS client) by a client using only TLS 1.3. Because TLS extensions (SNI, ALPN) were not inspected, those connections might have been matched to a wrong filter chain, possibly bypassing some security restrictions in the process.","status":"published","published":"2020-03-04T21:10:15Z","modified":"2024-08-04T10:03:46Z","updated_at":"2026-11-03T03:07:56.602123Z"}],"nvd":[{"id":"CVE-2020-8660","description":"CNCF Envoy through 1.13.0 TLS inspector bypass. TLS inspector could have been bypassed (not recognized as a TLS client) by a client using only TLS 1.3. Because TLS extensions (SNI, ALPN) were not inspected, those connections might have been matched to a wrong filter chain, possibly bypassing some security restrictions in the process.","status":"published","published":"2020-03-04T22:15:11.343Z","modified":"2026-06-17T03:26:43.493Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-345"],"updated_at":"2026-11-02T14:05:54.796125Z"}],"osv":[{"id":"CVE-2020-8660","description":"CNCF Envoy through 1.13.0 TLS inspector bypass. TLS inspector could have been bypassed (not recognized as a TLS client) by a client using only TLS 1.3. Because TLS extensions (SNI, ALPN) were not inspected, those connections might have been matched to a wrong filter chain, possibly bypassing some security restrictions in the process.","status":"published","published":"2020-03-04T22:15:11.343Z","modified":"2026-10-20T10:54:25.568072401Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:17.663289Z"},{"id":"RHSA-2020:0734","title":"Red Hat Security Advisory: Red Hat OpenShift Service Mesh 1.0.9 servicemesh-proxy security update","status":"published","published":"2024-09-16T03:38:26Z","modified":"2026-10-03T10:01:21Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:06.535721Z"},{"id":"BIT-envoy-2020-8660","description":"CNCF Envoy through 1.13.0 TLS inspector bypass. TLS inspector could have been bypassed (not recognized as a TLS client) by a client using only TLS 1.3. Because TLS extensions (SNI, ALPN) were not inspected, those connections might have been matched to a wrong filter chain, possibly bypassing some security restrictions in the process.","status":"published","published":"2024-03-06T10:59:45.972Z","modified":"2026-09-08T08:47:27.039967323Z","updated_at":"2026-11-02T15:28:29.563843Z"}]}}