meshsystem.dll in Valve Dota 2 before 7.23e allows remote attackers to achieve code…
Priority LOW 38CWE-787Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
meshsystem.dll in Valve Dota 2 before 7.23e 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 affected by memory corruption.
Why it matters now
EPSS 0.01868 79th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:valvesoftware:dota_2:*:*:*:*:*:*:*:* | before 7.23e | Vulnerable | Valvesoftware |
- cpe:2.3:a:valvesoftware:dota_2:*:*:*:*:*:*:*:* Versions before 7.23e Vulnerable ·Valvesoftware
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-7951
- 2026-10-03 Alias added: GHSA-f5pv-c7hr-3cx2
References
More Valvesoftware Dota 2 vulnerabilities
- TI-2020-06429 schemasystem.dll in Valve Dota 2 before 7.23f allows remote attackers to achieve code… CVSS 3.1HIGH 7.8
- TI-2020-07225 meshsystem.dll in Valve Dota 2 through 2020-02-17 allows remote attackers to achieve code… CVSS 3.1HIGH 7.8
- TI-2020-06432 rendersystemdx9.dll in Valve Dota 2 before 7.23f allows remote attackers to achieve code… CVSS 3.1HIGH 7.8
- TI-2020-06430 meshsystem.dll in Valve Dota 2 before 7.23f allows remote attackers to achieve code… CVSS 3.1HIGH 7.8
Sources
- CVE-2020-7951 · CVE Program
- CVE-2020-7951 · NVD
- FIRST EPSS
- GHSA-f5pv-c7hr-3cx2 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences