CVE-1999-0856

Estado: ModificadaMedia (5)—

login in Slackware 7.0 allows remote attackers to identify valid users on the system by reporting an encryption error when an account is locked or does not exist.

CVSS

Versión: 2.0
Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N
Puntuación base: 5

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 1.04%
Percentil entre todas las CVEs puntuadas: 63
Fecha de la puntuación: 6/10/2026

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Slackware — Slackware Linux

CWE

NVD-CWE-Other

Referencias

JSON original (NVD)

Mostrar

{
  "id": "CVE-1999-0856",
  "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:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "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",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "1999-12-01T05:00:00.000",
  "references": [
    {
      "url": "https://marc.info/?l=bugtraq&m=94416739411280&w=2",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://marc.info/?l=bugtraq&m=94416739411280&w=2",
      "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": "login in Slackware 7.0 allows remote attackers to identify valid users on the system by reporting an encryption error when an account is locked or does not exist."
    }
  ],
  "lastModified": "2026-06-16T21:49:12.007",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:slackware:slackware_linux:7.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C2A9C005-4392-4C95-9B92-98EEC73EFE73"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}