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CVE-2020-9005

meshsystem.dll in Valve Dota 2 through 2020-02-17 allows remote attackers to achieve code...

7.8 High

meshsystem.dll in Valve Dota 2 through 2020-02-17 allows remote attackers to achieve code execution or denial of service by creating a gaming server with a crafted map, and inviting a victim to this server. A GetValue call is mishandled.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

2.15%Up 1.0 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 7.8

meshsystem.dll in Valve Dota 2 through 2020-02-17 allows remote attackers to achieve code execution or denial of service by creating a gaming server with a crafted map, and inviting a victim to this server. A GetValue call is mishandled.

Record
CVE-2020-9005
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0
6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness
CWE-787
Updated
2026-11-02
CVE List No score

meshsystem.dll in Valve Dota 2 through 2020-02-17 allows remote attackers to achieve code execution or denial of service by creating a gaming server with a crafted map, and inviting a victim to this server. A GetValue call is mishandled.

Record
CVE-2020-9005
Updated
2026-11-02
EUVDEUVD-2020-29836 No score

meshsystem.dll in Valve Dota 2 through 2020-02-17 allows remote attackers to achieve code execution or denial of service by creating a gaming server with a crafted map, and inviting a victim to this server. A GetValue call is mishandled.

Record
EUVD-2020-29836
Updated
2026-11-03
GitHub AdvisoriesGHSA-f842-f48h-9639 No score

meshsystem.dll in Valve Dota 2 through 2020-02-17 allows remote attackers to achieve code...

meshsystem.dll in Valve Dota 2 through 2020-02-17 allows remote attackers to achieve code execution or denial of service by creating a gaming server with a crafted map, and inviting a victim to this server. A GetValue call is mishandled.

Record
GHSA-f842-f48h-9639
Weakness
CWE-20, CWE-787
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-9005 is a high vulnerability (CVSS 7.8) in Valvesoftware Dota 2, published February 17, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.15%, the 82nd percentile. No source names a fixed version.

References

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