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CVE-2004-0156

Status: ModifiedMedium (5)—

Format string vulnerabilities in the (1) die or (2) log_event functions for ssmtp before 2.50.6 allow remote mail relays to cause a denial of service and possibly execute arbitrary code.

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)

Ssmtp — Ssmtp

CWEs

References

Raw JSON (NVD)

Show
{
  "id": "CVE-2004-0156",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
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          "versions": [
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              "status": "affected",
              "version": "n/a"
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      ]
    }
  ],
  "published": "2004-06-01T04:00:00.000",
  "references": [
    {
      "url": "http://marc.info/?l=bugtraq&m=108403772130855&w=2",
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    {
      "url": "http://secunia.com/advisories/11378",
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "description": [
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          "value": "NVD-CWE-Other"
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Format string vulnerabilities in the (1) die or (2) log_event functions for ssmtp before 2.50.6 allow remote mail relays to cause a denial of service and possibly execute arbitrary code."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidades de cadena de formato en las funciones (1) die or (2) log_event de ssmtp anteriores a 2.50.6 permite a relés de correo remotos causar una denegación de servicio y posiblemente ejecutar código de su elección."
    }
  ],
  "lastModified": "2026-06-16T22:05:03.597",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:ssmtp:ssmtp:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A09DC9AF-1972-4081-8183-65B176EAB8BB",
              "versionEndIncluding": "2.49"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}