CVE-2001-0849

Status: ModifiedHigh (7.5)—

viralator CGI script in Viralator 0.9pre1 and earlier allows remote attackers to execute arbitrary code via a URL for a file being downloaded, which is insecurely passed to a call to wget.

CVSS

Version: 2.0
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Base score: 7.5

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 2.76%
Percentile among all scored CVEs: 86
Score date: 10/5/2026

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)

Duncan Hall — Viralator

CWEs

NVD-CWE-Other

References

Raw JSON (NVD)

Show

{
  "id": "CVE-2001-0849",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "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": "2001-12-06T05:00:00.000",
  "references": [
    {
      "url": "http://marc.info/?l=bugtraq&m=100463639800515&w=2",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://viralator.loddington.com/changes.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/3495",
      "tags": [
        "Patch"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/7440",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://marc.info/?l=bugtraq&m=100463639800515&w=2",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://viralator.loddington.com/changes.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/3495",
      "tags": [
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/7440",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "viralator CGI script in Viralator 0.9pre1 and earlier allows remote attackers to execute arbitrary code via a URL for a file being downloaded, which is insecurely passed to a call to wget."
    }
  ],
  "lastModified": "2026-06-16T21:55:05.643",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:duncan_hall:viralator:0.7:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D8658223-90FC-4D7C-920C-88407095F428"
            },
            {
              "criteria": "cpe:2.3:a:duncan_hall:viralator:0.8:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "86B29220-FB3F-40E0-BE53-4E62D28A75D7"
            },
            {
              "criteria": "cpe:2.3:a:duncan_hall:viralator:0.9_pre1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "24620631-CCDD-4734-98DD-D58CF55EB42E"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}