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CVE-1999-1333

Status: ModifiedHigh (7.5)—
Severity7.5High · CVSS 2.0
Exploitation probability3.38 %higher than 89% of CVEs
Active exploitationNonot in the CISA catalog
Public exploitNot knownno public code found

automatic download option in ncftp 2.4.2 FTP client in Red Hat Linux 5.0 and earlier allows remote attackers to execute arbitrary commands via shell metacharacters in the names of files that are to be downloaded.

CVSS

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

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days
3.38 %
Percentile among all scored CVEs
89
Score date
10/20/2026

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)

Redhat — Linux

CWEs

References

Show 8 references

Raw JSON (NVD)

Show
{
  "id": "CVE-1999-1333",
  "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": "1999-12-31T05:00:00.000",
  "references": [
    {
      "url": "http://marc.info/?l=bugtraq&m=89042322924057&w=2",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.iss.net/security_center/static/7240.php",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.osvdb.org/6111",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.redhat.com/support/errata/rh50-errata-general.html#ncftp",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://marc.info/?l=bugtraq&m=89042322924057&w=2",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.iss.net/security_center/static/7240.php",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.osvdb.org/6111",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.redhat.com/support/errata/rh50-errata-general.html#ncftp",
      "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": "automatic download option in ncftp 2.4.2 FTP client in Red Hat Linux 5.0 and earlier allows remote attackers to execute arbitrary commands via shell metacharacters in the names of files that are to be downloaded."
    }
  ],
  "lastModified": "2026-06-16T21:50:13.020",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:redhat:linux:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "040166C7-CB3A-485E-9337-CB679B779BF8",
              "versionEndIncluding": "5.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}