CVE-2009-2549

Exp

Armed Assault (aka ArmA) 1.14 and earlier, and 1.16 beta, and Armed Assault II 1.02 and earlier allows remote attackers to cause a denial of service via a join packet with a final field whose value is (1) 0, which triggers a server crash related to memory allocation, or (2) 1, which triggers CPU/memory consumption and a NULL pointer dereference.

Published: 2009-07-20 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2009-2549 is rated High Exploit Risk (62.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.78%). 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.04% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2009-2549

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2009-2549

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.74% 1.78% +1.04%
2 2025-04-23 0.48% 0.74% +0.26%
3 2025-03-17 — 0.48% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-2549

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2009-2549

Affected software / configurations for CVE-2009-2549

Vendor Product Version Raw CPE
bistudio arma <= 1.16_beta cpe:2.3:a:bistudio:arma:*:*:*:*:*:*:*:*
bistudio arma 1.14 cpe:2.3:a:bistudio:arma:1.14:*:*:*:*:*:*:*
bistudio arma_2 <= 1.02 cpe:2.3:a:bistudio:arma_2:*:*:*:*:*:*:*:*

References for CVE-2009-2549

cvelogic Threat Intelligence