Vulnerability in Valvesoftware Dota 2

CVE-2020-7949

schemasystem.dll in Valve Dota 2 before 7.23f allows remote attackers to achieve code execution or denial of service by creating a gaming server and inviting a victim to this server, because a crafted map is mishandled during a GetValue call.

EPSS: 0.042 (89.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-7949?
CVE-2020-7949 is a high-severity vulnerability in Valvesoftware Dota 2. CVSS score: 7.8/10. Published 2020-01-27.
How severe is CVE-2020-7949?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2020-7949 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.