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CVE-2019-12940

Status: ModifiedMedium (5.9)—

LiveZilla Server before 8.0.1.1 is vulnerable to Denial Of Service (memory consumption) in knowledgebase.php via a large integer value of the depth parameter.

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 (1)

Livezilla — Livezilla

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2019-12940",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.1,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:C",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 6.9,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 5.9,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.2
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2019-06-24T16:15:15.447",
  "references": [
    {
      "url": "https://forums.livezilla.net/index.php?/topic/10981-fg-vd-19-084-livezilla-server-is-vulnerable-to-denial-of-service/",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://forums.livezilla.net/index.php?/topic/10981-fg-vd-19-084-livezilla-server-is-vulnerable-to-denial-of-service/",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-770"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "LiveZilla Server before 8.0.1.1 is vulnerable to Denial Of Service (memory consumption) in knowledgebase.php via a large integer value of the depth parameter."
    },
    {
      "lang": "es",
      "value": "LiveZilla Server anterior a versión 8.0.1.1, es vulnerable a la denegación de servicio (consumo de memoria) en el archivo knowledgebase.php por medio de un valor entero largo del parámetro depth."
    }
  ],
  "lastModified": "2026-06-17T02:15:45.860",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:livezilla:livezilla:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "73B51406-BBDF-4D41-94AD-D6E4C38F098F",
              "versionEndExcluding": "8.0.1.1"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}