FKIE_CVE-2005-2105

Vulnerability from fkie_nvd - Published: 2005-07-05 04:00 - Updated: 2026-06-16 22:14
Severity
Summary
Cisco IOS 12.2T through 12.4 allows remote attackers to bypass Authentication, Authorization, and Accounting (AAA) RADIUS authentication, if the fallback method is set to none, via a long username.
References
cve@mitre.orghttp://www.cisco.com/warp/public/707/cisco-sa-20050629-aaa.shtmlPatch, Vendor Advisory
cve@mitre.orghttp://www.securitytracker.com/alerts/2005/Jun/1014330.htmlPatch
cve@mitre.orghttps://exchange.xforce.ibmcloud.com/vulnerabilities/21190
cve@mitre.orghttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5756
af854a3a-2127-422b-91ae-364da2661108http://www.cisco.com/warp/public/707/cisco-sa-20050629-aaa.shtmlPatch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/alerts/2005/Jun/1014330.htmlPatch
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/21190
af854a3a-2127-422b-91ae-364da2661108https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5756
Impacted products
Vendor Product Version
cisco ios 12.2\(2\)xr
cisco ios 12.2\(4\)xr
cisco ios 12.2t
cisco ios 12.2xb
cisco ios 12.2xc
cisco ios 12.2xd
cisco ios 12.2xe
cisco ios 12.2xf
cisco ios 12.2xg
cisco ios 12.2xh
cisco ios 12.2xi
cisco ios 12.2xj
cisco ios 12.2xk
cisco ios 12.2xl
cisco ios 12.2xm
cisco ios 12.2xq
cisco ios 12.2xr
cisco ios 12.2xt
cisco ios 12.2xw
cisco ios 12.2ya
cisco ios 12.2yb
cisco ios 12.2yc
cisco ios 12.2yd
cisco ios 12.2yf
cisco ios 12.2yg
cisco ios 12.2yh
cisco ios 12.2yj
cisco ios 12.2yl
cisco ios 12.2ym
cisco ios 12.2yn
cisco ios 12.2yp
cisco ios 12.2yq
cisco ios 12.2yr
cisco ios 12.2yt
cisco ios 12.2yu
cisco ios 12.2yv
cisco ios 12.2yw
cisco ios 12.2yy
cisco ios 12.2zb
cisco ios 12.2zc
cisco ios 12.2zd
cisco ios 12.2ze
cisco ios 12.2zf
cisco ios 12.2zg
cisco ios 12.2zh
cisco ios 12.2zj
cisco ios 12.2zl
cisco ios 12.2zn
cisco ios 12.2zo
cisco ios 12.2zp
cisco ios 12.3b
cisco ios 12.3bc
cisco ios 12.3bw
cisco ios 12.3ja
cisco ios 12.3t
cisco ios 12.3xa
cisco ios 12.3xb
cisco ios 12.3xc
cisco ios 12.3xd
cisco ios 12.3xe
cisco ios 12.3xf
cisco ios 12.3xg
cisco ios 12.3xh
cisco ios 12.3xi
cisco ios 12.3xj
cisco ios 12.3xk
cisco ios 12.3xl
cisco ios 12.3xm
cisco ios 12.3xn
cisco ios 12.3xq
cisco ios 12.3xr
cisco ios 12.3xs
cisco ios 12.3xt
cisco ios 12.3xu
cisco ios 12.3xw
cisco ios 12.3xx
cisco ios 12.3xy
cisco ios 12.3ya
cisco ios 12.3yb
cisco ios 12.3yd
cisco ios 12.3yf
cisco ios 12.3yg
cisco ios 12.3yh
cisco ios 12.3yi
cisco ios 12.3yj
cisco ios 12.3yk
cisco ios 12.3yl
cisco ios 12.3yn
cisco ios 12.3yq
cisco ios 12.3yr
cisco ios 12.3ys
cisco ios 12.4
To clipboard 

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            }
          ]
        }
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          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Cisco IOS 12.2T through 12.4 allows remote attackers to bypass Authentication, Authorization, and Accounting (AAA) RADIUS authentication, if the fallback method is set to none, via a long username."
    }
  ],
  "id": "CVE-2005-2105",
  "lastModified": "2026-06-16T22:14:15.677",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2005-07-05T04:00:00.000",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "http://www.cisco.com/warp/public/707/cisco-sa-20050629-aaa.shtml"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch"
      ],
      "url": "http://www.securitytracker.com/alerts/2005/Jun/1014330.html"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/21190"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5756"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "http://www.cisco.com/warp/public/707/cisco-sa-20050629-aaa.shtml"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "http://www.securitytracker.com/alerts/2005/Jun/1014330.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/21190"
    },
    {
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      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5756"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.