CVE-2006-2369 (GCVE-0-2006-2369)

Vulnerability from cvelistv5 – Published: 2006-05-15 16:00 – Updated: 2024-08-07 17:51
VLAI
Summary
RealVNC 4.1.1, and other products that use RealVNC such as AdderLink IP and Cisco CallManager, allows remote attackers to bypass authentication via a request in which the client specifies an insecure security type such as "Type 1 - None", which is accepted even if it is not offered by the server, as originally demonstrated using a long password.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
URL Tags
http://securityreason.com/securityalert/8355 third-party-advisoryx_refsource_SREASON
http://www.vupen.com/english/advisories/2006/2492 vdb-entryx_refsource_VUPEN
http://secunia.com/advisories/20107 third-party-advisoryx_refsource_SECUNIA
http://www.securityfocus.com/archive/1/438175/100… mailing-listx_refsource_BUGTRAQ
http://www.securityfocus.com/archive/1/434117/100… mailing-listx_refsource_BUGTRAQ
http://www.securityfocus.com/archive/1/434015/100… mailing-listx_refsource_BUGTRAQ
http://marc.info/?l=full-disclosure&m=11476834411… mailing-listx_refsource_FULLDISC
http://www.realvnc.com/products/free/4.1/release-… x_refsource_CONFIRM
http://www.kb.cert.org/vuls/id/117929 third-party-advisoryx_refsource_CERT-VN
http://www.securityfocus.com/archive/1/438368/100… mailing-listx_refsource_BUGTRAQ
http://www.securityfocus.com/archive/1/434560/100… mailing-listx_refsource_BUGTRAQ
http://www.intelliadmin.com/blog/2006/05/security… x_refsource_MISC
http://securitytracker.com/id?1016083 vdb-entryx_refsource_SECTRACK
http://www.vupen.com/english/advisories/2006/1821 vdb-entryx_refsource_VUPEN
http://www.intelliadmin.com/blog/2006/05/vnc-flaw… x_refsource_MISC
https://exchange.xforce.ibmcloud.com/vulnerabilit… vdb-entryx_refsource_XF
http://www.securityfocus.com/archive/1/433994/100… mailing-listx_refsource_BUGTRAQ
http://www.securityfocus.com/bid/17978 vdb-entryx_refsource_BID
http://www.osvdb.org/25479 vdb-entryx_refsource_OSVDB
http://secunia.com/advisories/20109 third-party-advisoryx_refsource_SECUNIA
http://www.cisco.com/warp/public/707/cisco-sr-200… vendor-advisoryx_refsource_CISCO
http://marc.info/?l=vnc-list&m=114755444130188&w=2 mailing-listx_refsource_MLIST
http://www.vupen.com/english/advisories/2006/1790 vdb-entryx_refsource_VUPEN
http://www.securityfocus.com/archive/1/434518/100… mailing-listx_refsource_BUGTRAQ
http://secunia.com/advisories/20789 third-party-advisoryx_refsource_SECUNIA
http://seclists.org/fulldisclosure/2022/May/29 mailing-listx_refsource_FULLDISC
http://www.openwall.com/lists/oss-security/2024/08/02/8
Date Public
2006-05-08 00:00
Show details on NVD website
To clipboard 

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                "negate": false,
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        "cveTags": [],
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            "lang": "en",
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          },
          {
            "lang": "es",
            "value": "RealVNC 4.1.1 y otros productos que usan RealVNC tales como AdderLink IP y Cisco CallManager, permite a atacantes remotos eludir autenticaci\u00f3n a trav\u00e9s de una petici\u00f3n en la que el cliente especifica un tipo de seguridad insegura como \"Type 1 - None\", que es aceptada incluso si no es ofrecida por el servidor, como se demuestra originalmente usando una contrase\u00f1a larga."
          }
        ],
        "id": "CVE-2006-2369",
        "lastModified": "2026-04-16T00:27:16.627",
        "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"
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              "exploitabilityScore": 10.0,
              "impactScore": 6.4,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": true,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
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        "published": "2006-05-15T16:06:00.000",
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    }
  }
}



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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.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.