HOMEVULNERABILITIESCVE-2020-7950
HIGH

CVE-2020-7950

NVD-CWE-noinfoPublished: January 27, 2020· Updated: Jun 17, 2026

7.8
CVSS v3.1

Official Description

meshsystem.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 vulnerable function call.

NVD Source

Technical Analysis

CVE-2020-7950 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Vendors & Products

valvesoftware1 product(s)
dota 2
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://github.com/bi7s/CVE/tree/master/CVE-2020-7950
ADVISORYhttps://github.com/bi7s/CVE/tree/master/CVE-2020-7950

All References (2)

→
https://github.com/bi7s/CVE/tree/master/CVE-2020-7950Exploit · Third Party Advisory
→
https://github.com/bi7s/CVE/tree/master/CVE-2020-7950Exploit · Third Party Advisory

Quick Facts

CVE IDCVE-2020-7950
CVSS Score7.8 / 10
SeverityHIGH
WeaknessNVD-CWE-noinfo
CISA KEVNo
Affected1 vendor(s)
PublishedJan 27, 2020

Related CVEs (NVD-CWE-noinfo)

CVE-2010-2710
10.0
CVE-2010-3111
10.0
CVE-2010-0873
10.0
CVE-2010-0898
10.0
CVE-2010-2897
10.0
CVE-2012-1396
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2020-7950 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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