FKIE_CVE-1999-0159

Vulnerability from fkie_nvd - Published: 1998-08-12 04:00 - Updated: 2025-08-27 19:15
Severity ?
3.5 (Low) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L
Summary
Attackers can crash a Cisco IOS router or device, provided they can get to an interactive prompt (such as a login). This applies to some IOS 9.x, 10.x, and 11.x releases.
References
cve@mitre.orghttps://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0159
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0159
Impacted products
Vendor Product Version
cisco ios 9.1
cisco ios 11.0\(20.3\)
cisco ios 11.1\(15\)ca
cisco ios 11.1\(16\)
cisco ios 11.1\(16\)aa
cisco ios 11.1\(16\)ia
cisco ios 11.1\(17\)cc
cisco ios 11.1\(17\)ct
cisco ios 11.2\(8\)sa3
cisco ios 11.2\(9\)p
cisco ios 11.2\(9\)xa
cisco ios 11.2\(10\)
cisco ios 11.2\(10\)bc
cisco ios 11.3\(1\)
cisco ios 11.3\(1\)ed
cisco ios 11.3\(1\)t
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
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              "matchCriteriaId": "2E9A00D5-A594-4C64-B982-10CB4C554F51",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:cisco:ios:11.0\\(20.3\\):*:*:*:*:*:*:*",
              "matchCriteriaId": "86AFAF8F-B8E2-453B-895C-F94138720745",
              "vulnerable": true
            },
            {
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              "matchCriteriaId": "841513AE-7521-4670-8438-AE5EB70F3A48",
              "vulnerable": true
            },
            {
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              "matchCriteriaId": "FF3E8F79-6177-453C-99B5-BC9BC7670869",
              "vulnerable": true
            },
            {
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              "matchCriteriaId": "4B244655-A6A5-40D0-A0D1-34C814DA9389",
              "vulnerable": true
            },
            {
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              "matchCriteriaId": "CA064273-1A6E-4303-BAAB-F585691EF9BA",
              "vulnerable": true
            },
            {
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              "matchCriteriaId": "0A8158E2-0DFE-479B-B085-9775FF700C85",
              "vulnerable": true
            },
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              "matchCriteriaId": "29CA3070-B75D-4E56-A338-E10F5509394E",
              "vulnerable": true
            },
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              "matchCriteriaId": "099CFED1-0E2F-46B2-8136-BFA146EB9A00",
              "vulnerable": true
            },
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              "vulnerable": true
            },
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              "matchCriteriaId": "3E3586C0-64AF-4584-8F56-7E0756B4A521",
              "vulnerable": true
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            {
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              "matchCriteriaId": "9B784C9F-79EE-4D08-9D03-985EC7E378FE",
              "vulnerable": true
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            {
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              "matchCriteriaId": "FFBA8825-442E-4CAD-A9B2-4DD8546F35F9",
              "vulnerable": true
            },
            {
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              "vulnerable": true
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              "vulnerable": true
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          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Attackers can crash a Cisco IOS router or device, provided they can get to an interactive prompt (such as a login).  This applies to some IOS 9.x, 10.x, and 11.x releases."
    }
  ],
  "id": "CVE-1999-0159",
  "lastModified": "2025-08-27T19:15:33.120",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 3.5,
          "baseSeverity": "LOW",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 2.1,
        "impactScore": 1.4,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "published": "1998-08-12T04:00:00.000",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0159"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0159"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-400"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}


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