CVE-2004-2277
Buffer overflow in aGSM Half-Life client allows remote Half-Life servers to cause a denial of...
Buffer overflow in aGSM Half-Life client allows remote Half-Life servers to cause a denial of service (crash) and possibly execute arbitrary code via a long server response.
Exploit likelihood
What each source reports
NVD Score used
Buffer overflow in aGSM Half-Life client allows remote Half-Life servers to cause a denial of service (crash) and possibly execute arbitrary code via a long server response.
- Record
CVE-2004-2277- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
Buffer overflow in aGSM Half-Life client allows remote Half-Life servers to cause a denial of service (crash) and possibly execute arbitrary code via a long server response.
- Record
CVE-2004-2277- Updated
- 2026-11-02
EUVDEUVD-2004-2269 No score
Buffer overflow in aGSM Half-Life client allows remote Half-Life servers to cause a denial of service (crash) and possibly execute arbitrary code via a long server response.
- Record
EUVD-2004-2269- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mfcf-rqrh-26cq No score
Buffer overflow in aGSM Half-Life client allows remote Half-Life servers to cause a denial of...
Buffer overflow in aGSM Half-Life client allows remote Half-Life servers to cause a denial of service (crash) and possibly execute arbitrary code via a long server response.
- Record
GHSA-mfcf-rqrh-26cq- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | aGSM 2.35 Half-Life Server - Info Response Buffer Overflow (PoC) | 2004-08-20 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2004-2277 is a medium vulnerability (CVSS 5.0) in Agsm, published December 31, 2004. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 5.75%, the 93rd percentile. No source names a fixed version.