CVE-2020-7949 : schemasystem.dll in Valve Dota 2 before 7.23f allows remote attackers to achieve

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.

Published 2020-01-27 17:15:12

Updated 2020-01-27 21:00:49

Source MITRE

View at NVD, CVE.org

Vulnerability category: Denial of service

Products affected by CVE-2020-7949

Valvesoftware » Dota 2
Versions before (<) 7.23f
cpe:2.3:a:valvesoftware:dota_2:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2020-7949

EPSS FAQ

8.76%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 92 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-7949

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
6.8	MEDIUM	AV:N/AC:M/Au:N/C:P/I:P/A:P	8.6	6.4	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
7.8	HIGH	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H	1.8	5.9	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Unchanged Confidentiality: High Integrity: High Availability: High

References for CVE-2020-7949

https://github.com/bi7s/CVE/tree/master/CVE-2020-7949

CVE/CVE-2020-7949 at master · bi7s/CVE · GitHub
Third Party Advisory

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Vulnerability Details : CVE-2020-7949

Products affected by CVE-2020-7949

Exploit prediction scoring system (EPSS) score for CVE-2020-7949

CVSS scores for CVE-2020-7949

References for CVE-2020-7949