CVE-2009-2547

Exp

Integer underflow in 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 (crash) via a VoIP over Network (VON) packet to port 2305 with a negative packet_size value, which triggers a buffer over-read.

Published: 2009-07-20 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2009-2547 is rated Exploit Available (58.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.61%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: 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-2009-2547

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

Exploit prediction scoring system (EPSS) score for CVE-2009-2547

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 2025-03-30 0.68% 0.61% -0.06%
2 2025-03-29 0.61% 0.68% +0.06%
3 2025-03-17 0.61%

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-2547

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-2009-2547

Affected software / configurations for CVE-2009-2547

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-2009-2547

cvelogic Threat Intelligence