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CVE-2009-2549

Status: ModifiedMedium (5)—

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.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (2)

Bistudio — ArmaBistudio — Arma 2

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2009-2549",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2009-07-20T20:00:13.877",
  "references": [
    {
      "url": "http://aluigi.altervista.org/adv/armazzo-adv.txt",
      "tags": [
        "Exploit"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2009/1951",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://aluigi.altervista.org/adv/armazzo-adv.txt",
      "tags": [
        "Exploit"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2009/1951",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "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."
    },
    {
      "lang": "es",
      "value": "Armed Assault (también conocido como ArmA) v1.14 y anteriores, y v1.16 beta, y Armed Assault II v1.02 y anteriores permite a atacantes remotos provocar una denegación de servicio mediante un paquete de conexión con un campo final cuyo valor sea (1) 0, provocando una caída del servidor relacionada con la asignación de memoria, o (2) 1, provocando un consumo de CPU/memoria y una referencia a puntero NULL."
    }
  ],
  "lastModified": "2026-06-16T23:09:41.277",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:bistudio:arma:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2BBC0E6F-B56B-4BE1-BCC3-61BE2391FBDF",
              "versionEndIncluding": "1.16_beta"
            },
            {
              "criteria": "cpe:2.3:a:bistudio:arma:1.14:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D3941008-81E2-45FA-8588-8D88CD295CE2"
            },
            {
              "criteria": "cpe:2.3:a:bistudio:arma_2:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "AD0DDA32-B5C8-4F9F-AE22-CFF500670D84",
              "versionEndIncluding": "1.02"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}