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CVE-2020-9005: 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 thi...
CVE-2020-9005 · published 6 years ago
Summary
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.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| valvesoftware | dota_2 |
<= 2020-02-17 cpe:2.3:a:valvesoftware:dota_2:*:*:*:*:*:*:*:* |
Original advisory text
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 thi...
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.
References
- https://github.com/bi7s/CVE/blob/master/CVE-2020-9005/README.md Exploit Third Party Advisory
Internet-facing
14 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit (estimated)
- Gives an attacker full control (estimated)
Type
CWE-787Out-of-bounds Write
Timeline
Published17 Feb 2020
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2020-9005 · NVD
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