CVE-2020-6019
mediumpriority · track · 31EPSS 0.028 · 86 %ileEUUSEPSS · scored 2026-10-28
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
- valvesoftware game networking sockets< 1.2.0nvdUScpe:2.3:a:valvesoftware:game_networking_sockets:*:*:*:*:*:*:*:*
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (7)
External citations — patches, advisories, analysis.
- https://github.com/ValveSoftware/GameNetworkingSockets/commit/d944a10808891d202bb1d5e1998de6e0423af678cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2020-6019cnnvd
- https://research.checkpoint.com/2020/game-on-finding-vulnerabilities-in-valves-steam-sockets/cnnvd
- https://github.com/ValveSoftware/GameNetworkingSockets/commit/d944a10808891d202bb1d5e1998de6e0423af678enisa_euvd
- https://research.checkpoint.com/2020/game-on-finding-vulnerabilities-in-valves-steam-sockets/enisa_euvd
- https://github.com/ValveSoftware/GameNetworkingSockets/commit/d944a10808891d202bb1d5e1998de6e0423af678PatchThird Party Advisorynvd
- https://research.checkpoint.com/2020/game-on-finding-vulnerabilities-in-valves-steam-sockets/ExploitThird Party Advisorynvd
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