Half Life
Vendor:
First CVE: Jun 27, 2001 · Active for 25 years
5
Total CVEs
Bottom 1%
1.3
Avg CVEs / Year
Bottom 1%
6.5
Avg CVSS
Higher Avg CVSS than 46% of tracked products
0.0%
KEV Rate
Bottom 1%
Trends Over Time
The number and severity of CVEs published that impact Half Life over time
Volume of CVEsAvg CVSS Base Score
First CVE
Jun 27, 2001
25 years ago
Most Recent CVE
May 23, 2023
1,161 days ago
CVE Severity & Scoring
Half Life5 CVEs
40%
60%
All CVEs352,785 CVEs
45%
40%
11%
MediumHigh
Attack Vector
Local1 (20.0%)
Network0 (0.0%)
Unknown4 (80.0%)
Physical0 (0.0%)
Adjacent Network0 (0.0%)
Attack Complexity
Low1 (20.0%)
High0 (0.0%)
Unknown4 (80.0%)
User Interaction
None0 (0.0%)
Unknown4 (80.0%)
Required1 (20.0%)
Privileges Required
Low1 (20.0%)
High0 (0.0%)
None0 (0.0%)
Unknown4 (80.0%)
Top CVEs
Signals from CVEs in this product scope (5 CVEs).
5 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2023-30382HIGH A buffer overflow in the component hl.exe of Valve Half-Life up to 5433873 allows attackers to execute arbitrary code and escalate privileges by supplying crafted parameters. | May 23, 2023 | 7.3 | 23 | NO | NO |
CVE-2002-0964MEDIUM Half-Life Server 1.1.1.0 and earlier allows remote attackers to cause a denial of service (resource exhaustion) via multiple responses to the initial challenge with different cd_ke | Oct 4, 2002 | 5.0 | 23 | NO | YES |
CVE-2001-0964HIGH Buffer overflow in client for Half-Life 1.1.0.8 and earlier allows malicious remote servers to execute arbitrary code via a long console command. | Sep 20, 2001 | 7.5 | 20 | NO | NO |
CVE-2001-0358HIGH Buffer overflows in Sierra Half-Life build 1573 and earlier allow remote attackers to execute arbitrary code via (1) a long map command, (2) a long exec command, or (3) long input | Jun 27, 2001 | 7.5 | 20 | NO | NO |
CVE-2004-0724MEDIUM The Half-Life engine before July 7 2004 allows remote attackers to cause a denial of service (server or client crash) via an empty fragmented packet. | Jul 27, 2004 | 5.0 | 19 | NO | NO |
Exploit Exposure
Signals from CVEs in this product scope (5 CVEs).
CISA KEV
0 CVEs
0.0% of CVEs· Bottom 1%
Metasploit
0 CVEs
0.0% of CVEs· Bottom 1%
Nuclei
0 CVEs
0.0% of CVEs· Bottom 1%
ExploitDB
1 CVE
20.0% of CVEs· Bottom 1%
Social Chatter
Signals from CVEs in this product scope (5 CVEs).
Media Mentions
Signals from CVEs in this product scope (5 CVEs).
Top CNAs Publishing CVEs For Half Life
Top CWEs
Versions
| Version | CVE Count | Avg CVSS | Avg EPSS | KEV | Exploits |
|---|---|---|---|---|---|
| 1.1.1.0 | 2 | 5.0 | 2.4% | 0 | 1 |
| 1.1.0.9 | 2 | 5.0 | 2.4% | 0 | 1 |
| 1.1.0.8 | 2 | 5.0 | 2.4% | 0 | 1 |
| 1.1.0.4 | 2 | 5.0 | 2.4% | 0 | 1 |