6.8 Medium
AI Score
Confidence
Low
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.972 High
EPSS
Percentile
99.8%
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.
seclists.org/fulldisclosure/2022/May/29
secunia.com/advisories/20107
secunia.com/advisories/20109
secunia.com/advisories/20789
securityreason.com/securityalert/8355
securitytracker.com/id?1016083
www.cisco.com/warp/public/707/cisco-sr-20060622-cmm.shtml
www.intelliadmin.com/blog/2006/05/security-flaw-in-realvnc-411.html
www.intelliadmin.com/blog/2006/05/vnc-flaw-proof-of-concept.html
www.kb.cert.org/vuls/id/117929
www.osvdb.org/25479
www.realvnc.com/products/free/4.1/release-notes.html
www.securityfocus.com/archive/1/433994/100/0/threaded
www.securityfocus.com/archive/1/434015/100/0/threaded
www.securityfocus.com/archive/1/434117/100/0/threaded
www.securityfocus.com/archive/1/434518/100/0/threaded
www.securityfocus.com/archive/1/434560/100/0/threaded
www.securityfocus.com/archive/1/438175/100/0/threaded
www.securityfocus.com/archive/1/438368/100/0/threaded
www.securityfocus.com/bid/17978
www.vupen.com/english/advisories/2006/1790
www.vupen.com/english/advisories/2006/1821
www.vupen.com/english/advisories/2006/2492
exchange.xforce.ibmcloud.com/vulnerabilities/26445
marc.info/?l=full-disclosure&m=114768344111131&w=2
marc.info/?l=vnc-list&m=114755444130188&w=2