CVE-1999-1277

Estado: ModificadaMedia (4.6)—

BackWeb client stores the username and password in cleartext for proxy authentication in the Communication registry key, which could allow other local users to gain privileges by reading the password.

CVSS

Versión: 2.0
Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P
Puntuación base: 4.6

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.32%
Percentil entre todas las CVEs puntuadas: 22
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)

Backweb Technologies — Backweb Client

CWE

NVD-CWE-Other

Referencias

JSON original (NVD)

Mostrar

{
  "id": "CVE-1999-1277",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.6,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/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": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "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": "1998-12-24T05:00:00.000",
  "references": [
    {
      "url": "http://marc.info/?l=ntbugtraq&m=91487886514546&w=2",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/1565",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://marc.info/?l=ntbugtraq&m=91487886514546&w=2",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/1565",
      "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": "BackWeb client stores the username and password in cleartext for proxy authentication in the Communication registry key, which could allow other local users to gain privileges by reading the password."
    }
  ],
  "lastModified": "2026-06-16T21:50:05.690",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:backweb_technologies:backweb_client:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "379ED4B7-2E58-4BF3-A5C8-3DED7A2BC739"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}