CVE-2020-6017

moderate-risk
Published 2020-12-03

Valve's Game Networking Sockets prior to version v1.2.0 improperly handles long unreliable segments in function SNP_ReceiveUnreliableSegment() when configured to support plain-text messages, leading to a Heap-Based Buffer Overflow and resulting in a memory corruption and possibly even a remote code execution.

Do I need to act?

~
5.7% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
+
Fix available
Upgrade to: 5fe10494e27be722d18c443dc70f851541e5d554, e0c86dcb9139771db3db0cfdb1fb8bef0af19c43
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (1)

Game Networking Sockets

Affected Vendors

46
/ 100
moderate-risk
Severity 32/34 · Critical
Exploitability 9/34 · Low
Exposure 5/34 · Minimal