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CVE-2002-0934

Status: ModifiedMedium (6.4)—
Severity6.4Medium · CVSS 2.0
Exploitation probability1.98 %higher than 80% of CVEs
Active exploitationNonot in the CISA catalog
Public exploitNot knownno public code found

Directory traversal vulnerability in Jon Hedley AlienForm2 (typically installed as af.cgi or alienform.cgi) allows remote attackers to read or modify arbitrary files via an illegal character in the middle of a .. (dot dot) sequence in the parameters (1) _browser_out or (2) _out_file.

CVSS

Base score
6.4
Version
2.0
Vector
AV:N/AC:L/Au:N/C:P/I:P/A:N

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days
1.98 %
Percentile among all scored CVEs
80
Score date
10/21/2026

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)

JON Hedley — Alienform2

CWEs

References

Show 6 references

Raw JSON (NVD)

Show
{
  "id": "CVE-2002-0934",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.4,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 4.9,
        "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": "2002-10-04T04:00:00.000",
  "references": [
    {
      "url": "http://archives.neohapsis.com/archives/bugtraq/2002-06/0068.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.iss.net/security_center/static/9325.php",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/4983",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://archives.neohapsis.com/archives/bugtraq/2002-06/0068.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.iss.net/security_center/static/9325.php",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/4983",
      "tags": [
        "Vendor Advisory"
      ],
      "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": "Directory traversal vulnerability in Jon Hedley AlienForm2 (typically installed as af.cgi or alienform.cgi) allows remote attackers to read or modify arbitrary files via an illegal character in the middle of a .. (dot dot) sequence in the parameters (1) _browser_out or (2) _out_file."
    }
  ],
  "lastModified": "2026-06-16T21:58:24.957",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:jon_hedley:alienform2:1.5:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F62CB7A9-7ECC-4AD8-AC87-35DFD87D8616"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}