{"id":"CVE-2020-6019","aliases":["EUVD-2020-27173","GHSA-fv4q-rrm4-jp4w"],"status":"published","title":"Valve's Game Networking Sockets prior to version v1.2.0 improperly handles inlined statistics...","description":"Valve's Game Networking Sockets prior to version v1.2.0 improperly handles inlined statistics messages in function CConnectionTransportUDPBase::Received_Data(), leading to an exception thrown from libprotobuf and resulting in a crash.","severity":{"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","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.02791,"percentile":0.86523,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-248"],"published":"2020-11-13T15:03:31Z","modified":"2026-10-20T14:14:34Z","products":[{"vendor":"valvesoftware","product":"game_networking_sockets"}],"references":[{"url":"https://github.com/ValveSoftware/GameNetworkingSockets/commit/d944a10808891d202bb1d5e1998de6e0423af678","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://research.checkpoint.com/2020/game-on-finding-vulnerabilities-in-valves-steam-sockets/","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-6019"},{"url":"https://github.com/advisories/GHSA-fv4q-rrm4-jp4w"}],"sources":{"cve":[{"id":"CVE-2020-6019","description":"Valve's Game Networking Sockets prior to version v1.2.0 improperly handles inlined statistics messages in function CConnectionTransportUDPBase::Received_Data(), leading to an exception thrown from libprotobuf and resulting in a crash.","status":"published","published":"2020-11-13T15:03:31Z","modified":"2024-08-04T08:47:41.004Z","cwes":["CWE-248"],"updated_at":"2026-11-02T14:35:52.268457Z"}],"euvd":[{"id":"EUVD-2020-27173","description":"Valve's Game Networking Sockets prior to version v1.2.0 improperly handles inlined statistics messages in function CConnectionTransportUDPBase::Received_Data(), leading to an exception thrown from libprotobuf and resulting in a crash.","status":"published","published":"2020-11-13T15:03:31Z","modified":"2024-08-04T08:47:41Z","updated_at":"2026-11-03T03:08:04.689205Z"}],"ghsa":[{"id":"GHSA-fv4q-rrm4-jp4w","title":"Valve's Game Networking Sockets prior to version v1.2.0 improperly handles inlined statistics...","description":"Valve's Game Networking Sockets prior to version v1.2.0 improperly handles inlined statistics messages in function CConnectionTransportUDPBase::Received_Data(), leading to an exception thrown from libprotobuf and resulting in a crash.","status":"published","published":"2022-05-24T17:34:06Z","modified":"2023-02-01T05:04:18Z","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":"2026-11-02T14:50:08.898362Z"}],"nvd":[{"id":"CVE-2020-6019","description":"Valve's Game Networking Sockets prior to version v1.2.0 improperly handles inlined statistics messages in function CConnectionTransportUDPBase::Received_Data(), leading to an exception thrown from libprotobuf and resulting in a crash.","status":"published","published":"2020-11-13T16:15:18.463Z","modified":"2026-06-17T03:22:36.05Z","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","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-248"],"updated_at":"2026-11-02T14:06:24.137599Z"}],"osv":[{"id":"CVE-2020-6019","description":"Valve's Game Networking Sockets prior to version v1.2.0 improperly handles inlined statistics messages in function CConnectionTransportUDPBase::Received_Data(), leading to an exception thrown from libprotobuf and resulting in a crash.","status":"published","published":"2020-11-13T16:15:18.463Z","modified":"2026-10-20T14:14:34.068867833Z","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":"2026-11-02T15:44:16.936975Z"}]}}