Vulnerability in Valvesoftware Game_networking_sockets

CVE-2020-6019

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.

EPSS: 0.028 (84.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-6019?
CVE-2020-6019 is a high-severity vulnerability in Valvesoftware Game_networking_sockets, classified under CWE-248. CVSS score: 7.5/10. Published 2020-11-13.
How severe is CVE-2020-6019?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2020-6019 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.