Buffer overflow in the UGameEngine::UpdateConnectingMessage function in the Unreal engine…
Priority MEDIUM 48CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
Buffer overflow in the UGameEngine::UpdateConnectingMessage function in the Unreal engine 1, 2, and 2.5, as used in multiple games including Unreal Tournament 2004, Unreal tournament 2003, Postal 2, Raven Shield, and SWAT4, when downloads are enabled, allows remote attackers to execute arbitrary code via a long LEVEL field in a WELCOME response to a download request.
Why it matters now
EPSS 0.04927 92nd percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged 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 · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:epicgames:unreal_engine:1:*:*:*:*:*:*:* | 1 | Vulnerable | Epicgames |
| cpe:2.3:a:epicgames:unreal_engine:2:*:*:*:*:*:*:* | 2 | Vulnerable | Epicgames |
| cpe:2.3:a:epicgames:unreal_engine:2.5:*:*:*:*:*:*:* | 2.5 | Vulnerable | Epicgames |
| cpe:2.3:a:epicgames:postal_2:*:*:*:*:*:*:*:* | all versions | Vulnerable | Epicgames |
| cpe:2.3:a:epicgames:raven_shield:*:*:*:*:*:*:*:* | all versions | Vulnerable | Epicgames |
| cpe:2.3:a:epicgames:swat_4:*:*:*:*:*:*:*:* | all versions | Vulnerable | Epicgames |
| cpe:2.3:a:epicgames:unreal_tournament_2003:*:*:*:*:*:*:*:* | all versions | Vulnerable | Epicgames |
| cpe:2.3:a:epicgames:unreal_tournament_2004:*:*:*:*:*:*:*:* | all versions | Vulnerable | Epicgames |
- cpe:2.3:a:epicgames:unreal_engine:1:*:*:*:*:*:*:* Versions 1 Vulnerable ·Epicgames
- cpe:2.3:a:epicgames:unreal_engine:2:*:*:*:*:*:*:* Versions 2 Vulnerable ·Epicgames
- cpe:2.3:a:epicgames:unreal_engine:2.5:*:*:*:*:*:*:* Versions 2.5 Vulnerable ·Epicgames
- cpe:2.3:a:epicgames:postal_2:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Epicgames
- cpe:2.3:a:epicgames:raven_shield:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Epicgames
- cpe:2.3:a:epicgames:swat_4:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Epicgames
- cpe:2.3:a:epicgames:unreal_tournament_2003:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Epicgames
- cpe:2.3:a:epicgames:unreal_tournament_2004:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Epicgames
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2010-2702
- 2026-10-03 Alias added: GHSA-rgx2-hj64-5vc5
References
Sources
- CVE-2010-2702 · CVE Program
- CVE-2010-2702 · NVD
- FIRST EPSS
- GHSA-rgx2-hj64-5vc5 · 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