CVE-2010-2702 — 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

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HIGH

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

Published Jul 12, 2010

9.3

HIGH

CVSS 2.0

EPSS 4.93%

Description

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.

Affected products

Remediation

No remediation recorded yet.

Metrics

4.93% 0.04927

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.04927

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 (13 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	4.93% (0.04927)	91.86th	v5 (v2026.06.15)
Jun 15, 2026	4.93% (0.04927)	90.98th	v5 (v2026.06.15)
Mar 30, 2025	5.50% (0.05503)	89.25th	v4 (v2025.03.14)
Mar 29, 2025	3.87% (0.03870)	80.09th	v4 (v2025.03.14)
Mar 17, 2025	5.50% (0.05503)	89.52th	v4 (v2025.03.14)
Dec 17, 2024	11.07% (0.11068)	95.12th	v3 (v2023.03.01)
Oct 14, 2024	4.47% (0.04475)	92.62th	v3 (v2023.03.01)
Jul 14, 2024	6.26% (0.06258)	93.67th	v3 (v2023.03.01)
Apr 21, 2023	6.97% (0.06971)	92.92th	v3 (v2023.03.01)
Mar 7, 2023	9.54% (0.09542)	93.74th	v3 (v2023.03.01)
Mar 6, 2023	6.52% (0.06523)	91.37th	v2 (v2022.01.01)
Apr 1, 2022	6.52% (0.06523)	90.53th	v2 (v2022.01.01)
Feb 4, 2022	6.52% (0.06523)	78.43th	v2 (v2022.01.01)

Weaknesses (1)

CWE-119

Buffer Overflow

References (5)

http://aluigi.altervista.org/adv/unrealcbof-adv.txt
x_refsource_MISCExploit
http://aluigi.org/poc/unrealcbof.txt
x_refsource_MISCExploit
http://osvdb.org/66039
vdb-entryx_refsource_OSVDB
http://secunia.com/advisories/40466
third-party-advisoryx_refsource_SECUNIAVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/60142
vdb-entryx_refsource_XF

Link	Providers	Tags
http://aluigi.altervista.org/adv/unrealcbof-adv.txt		x_refsource_MISCExploit
http://aluigi.org/poc/unrealcbof.txt		x_refsource_MISCExploit
http://osvdb.org/66039		vdb-entryx_refsource_OSVDB
http://secunia.com/advisories/40466		third-party-advisoryx_refsource_SECUNIAVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/60142		vdb-entryx_refsource_XF

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Jul 12, 2010

Updated Aug 7, 2024

Reserved Jul 12, 2010

Link CVE-2010-2702

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2010-2702

Red Hat

Severity n/a

Public date n/a

Links CVE-2010-2702