CVE-2004-0998

Status: ModifiedHigh (7.5)—

Format string vulnerability in telnetd-ssl 0.17 and earlier allows remote attackers to execute arbitrary code.

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: 5.50%
Percentile among all scored CVEs: 93
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 (2)

Telnetd — Telnetd Telnetd — Telnetd-ssl

CWEs

NVD-CWE-Other

References

Raw JSON (NVD)

Show

{
  "id": "CVE-2004-0998",
  "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": true,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2004-12-23T05:00:00.000",
  "references": [
    {
      "url": "http://secunia.com/advisories/13663",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.debian.org/security/2004/dsa-616",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.kb.cert.org/vuls/id/995038",
      "tags": [
        "Patch",
        "Third Party Advisory",
        "US Government Resource"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/18654",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/13663",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.debian.org/security/2004/dsa-616",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.kb.cert.org/vuls/id/995038",
      "tags": [
        "Patch",
        "Third Party Advisory",
        "US Government Resource"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/18654",
      "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": "Format string vulnerability in telnetd-ssl 0.17 and earlier allows remote attackers to execute arbitrary code."
    }
  ],
  "lastModified": "2026-06-16T22:06:49.330",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:telnetd:telnetd:0.17.18:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A5CED575-C954-4FB2-88C0-7468A908F2B1"
            },
            {
              "criteria": "cpe:2.3:a:telnetd:telnetd:0.17.25:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "8E5F8F48-DEB4-4D61-B640-6C15E5F890DD"
            },
            {
              "criteria": "cpe:2.3:a:telnetd:telnetd-ssl:0.17.17_0.1.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "50A292C0-481D-41F2-92E0-51BEEE48F2E1"
            },
            {
              "criteria": "cpe:2.3:a:telnetd:telnetd-ssl:0.17.17_0.1.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E197C7CD-E42A-43F7-B41E-7B138ED23402"
            },
            {
              "criteria": "cpe:2.3:a:telnetd:telnetd-ssl:0.17.17_0.1.2:*:woody1:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D125D0D8-75FB-481A-825A-562E269279F5"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}