CVE-2003-1433
Epic Games Unreal Engine 226f through 436 does not validate the challenge key, which allows...
Epic Games Unreal Engine 226f through 436 does not validate the challenge key, which allows remote attackers to exhaust the player limit by joining the game multiple times.
Exploit likelihood
What each source reports
NVD Score used
Epic Games Unreal Engine 226f through 436 does not validate the challenge key, which allows remote attackers to exhaust the player limit by joining the game multiple times.
- Record
CVE-2003-1433- CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:N/A:P - Weakness
- CWE-287
- Updated
- 2026-11-02
CVE List No score
Epic Games Unreal Engine 226f through 436 does not validate the challenge key, which allows remote attackers to exhaust the player limit by joining the game multiple times.
- Record
CVE-2003-1433- Updated
- 2026-11-02
EUVDEUVD-2003-1423 No score
Epic Games Unreal Engine 226f through 436 does not validate the challenge key, which allows remote attackers to exhaust the player limit by joining the game multiple times.
- Record
EUVD-2003-1423- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-q959-v446-rf26 No score
Epic Games Unreal Engine 226f through 436 does not validate the challenge key, which allows...
Epic Games Unreal Engine 226f through 436 does not validate the challenge key, which allows remote attackers to exhaust the player limit by joining the game multiple times.
- Record
GHSA-q959-v446-rf26- Weakness
- CWE-287
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2003-1433 is a medium vulnerability (CVSS 4.3) in Epic Games Unreal Engine, published December 31, 2003. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.18%, the 67th percentile. No source names a fixed version.
References
securityfocus.com/bid/6771
pivx.com/luigi/adv/ueng-adv.txt
exchange.xforce.ibmcloud.com/vulnerabilities/11304
archives.neohapsis.com/archives/bugtraq/2003-02/0063.html
nvd.nist.gov/vuln/detail/CVE-2003-1433
github.com/advisories/GHSA-q959-v446-rf26