Is CVE-2009-2547 being actively exploited?

CVE-2009-2547 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2009-2547?

CVE-2009-2547 has a CVSS 2.0 base score of 5.0 (MEDIUM).

CVE-2009-2547

MEDIUM · CVSS 5.0EPSS 1.5%EU EUVD

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.

Key facts

CVSS score: 5.0 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness (CWE): CWE-189
EPSS score: 1.5% (74th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2009-2542)
Published: July 20, 2009
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2009-2542 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

bistudio / arma
bistudio / arma
bistudio / arma 2

References

http://aluigi.altervista.org/adv/armadioz-adv.txt(Exploit)
http://secunia.com/advisories/35900(Vendor Advisory)
http://www.vupen.com/english/advisories/2009/1951(Vendor Advisory)
https://exchange.xforce.ibmcloud.com/vulnerabilities/51820

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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