CVE-2006-2369

Published: May 15, 2006Modified: Apr 16, 2026

7.5

Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability: 10.0 / Impact: 6.4

Source: NVD

Description

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.

Affected (1)

Products: Vnc: Realvnc

Vnc

1 product

Realvnc

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Vnc Realvnc	Version 4.1.1

Related CWEs

CWE-287

Improper Authentication

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

References (53)

http://marc.info/?l=full-disclosure&m=114768344111131&w=2

Source: secalert@redhat.com

http://marc.info/?l=vnc-list&m=114755444130188&w=2

Source: secalert@redhat.com

http://seclists.org/fulldisclosure/2022/May/29

Source: secalert@redhat.com

http://secunia.com/advisories/20107

Source: secalert@redhat.com

PatchVendor Advisory

http://secunia.com/advisories/20109

Source: secalert@redhat.com

PatchVendor Advisory

http://secunia.com/advisories/20789

Source: secalert@redhat.com

Vendor Advisory

http://securityreason.com/securityalert/8355

Source: secalert@redhat.com

http://securitytracker.com/id?1016083

Source: secalert@redhat.com

ExploitPatch

http://www.cisco.com/warp/public/707/cisco-sr-20060622-cmm.shtml

Source: secalert@redhat.com

http://www.intelliadmin.com/blog/2006/05/security-flaw-in-realvnc-411.html

Source: secalert@redhat.com

http://www.intelliadmin.com/blog/2006/05/vnc-flaw-proof-of-concept.html

Source: secalert@redhat.com

ExploitPatch

http://www.kb.cert.org/vuls/id/117929

Source: secalert@redhat.com

PatchThird Party AdvisoryUS Government Resource

http://www.osvdb.org/25479

Source: secalert@redhat.com

http://www.realvnc.com/products/free/4.1/release-notes.html

Source: secalert@redhat.com

Patch

http://www.securityfocus.com/archive/1/433994/100/0/threaded

Source: secalert@redhat.com

http://www.securityfocus.com/archive/1/434015/100/0/threaded

Source: secalert@redhat.com

http://www.securityfocus.com/archive/1/434117/100/0/threaded

Source: secalert@redhat.com

http://www.securityfocus.com/archive/1/434518/100/0/threaded

Source: secalert@redhat.com

http://www.securityfocus.com/archive/1/434560/100/0/threaded

Source: secalert@redhat.com

http://www.securityfocus.com/archive/1/438175/100/0/threaded

Source: secalert@redhat.com

http://www.securityfocus.com/archive/1/438368/100/0/threaded

Source: secalert@redhat.com

http://www.securityfocus.com/bid/17978

Source: secalert@redhat.com

ExploitPatch

http://www.vupen.com/english/advisories/2006/1790

Source: secalert@redhat.com

Vendor Advisory

http://www.vupen.com/english/advisories/2006/1821

Source: secalert@redhat.com

Vendor Advisory

http://www.vupen.com/english/advisories/2006/2492

Source: secalert@redhat.com

Vendor Advisory

https://exchange.xforce.ibmcloud.com/vulnerabilities/26445

Source: secalert@redhat.com

http://marc.info/?l=full-disclosure&m=114768344111131&w=2