MEDIUM
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
Published Oct 23, 2007
4.3
MEDIUMCVSS 2.0
EPSS 1.18%
Description
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.
Affected products
No data.
OR
- 226f
- 433
- 436
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
4.3 MEDIUM NVD
AV:N/AC:M/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.18% 0.01179
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01179
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.18% (0.01179) | 66.53th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.18% (0.01179) | 63.46th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.58% (0.00581) | 67.03th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.80% (0.01803) | 88.63th | v3 (v2023.03.01) |
| Jul 19, 2024 | 1.51% (0.01509) | 87.11th | v3 (v2023.03.01) |
| Jun 11, 2024 | 1.50% (0.01503) | 86.98th | v3 (v2023.03.01) |
| May 4, 2024 | 1.41% (0.01411) | 86.37th | v3 (v2023.03.01) |
| Mar 26, 2024 | 1.35% (0.01355) | 85.86th | v3 (v2023.03.01) |
| Oct 28, 2023 | 1.26% (0.01263) | 84.15th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.17% (0.01168) | 82.73th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
Weaknesses (1)
References (5)
- http://archives.neohapsis.com/archives/bugtraq/2003-02/0063.html mailing-listx_refsource_BUGTRAQ
- http://archives.neohapsis.com/archives/bugtraq/2003-02/0142.html mailing-listx_refsource_BUGTRAQ
- http://www.pivx.com/luigi/adv/ueng-adv.txt x_refsource_MISC
- http://www.securityfocus.com/bid/6771 vdb-entryx_refsource_BID
- https://exchange.xforce.ibmcloud.com/vulnerabilities/11304 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://archives.neohapsis.com/archives/bugtraq/2003-02/0063.html | mailing-listx_refsource_BUGTRAQ | |
| http://archives.neohapsis.com/archives/bugtraq/2003-02/0142.html | mailing-listx_refsource_BUGTRAQ | |
| http://www.pivx.com/luigi/adv/ueng-adv.txt | x_refsource_MISC | |
| http://www.securityfocus.com/bid/6771 | vdb-entryx_refsource_BID | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/11304 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Oct 23, 2007
Updated Aug 8, 2024
Reserved Oct 22, 2007
Link CVE-2003-1433
CISA Vulnrichment
Updated n/a