CVE-2006-2450
auth.c in LibVNCServer 0.7.1 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
02 Description
auth.c in LibVNCServer 0.7.1 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 4.36% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 90.9% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2006-07-14 22:00Z20 YR AGO
- Last updated
- 2024-08-07 17:51Z2 YR AGO
- Reserved
- 2006-05-18
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- No CWE assigned
- Data version
- 5.1
- Document digest
- 5b211d4da937f0e08e74ce7b09d0bc8f9cb4cdcb3252c42e0ac4d0b624518655
05 Affected products
06 References
- www.novell.comSUSE-SA:2006:042http://www.novell.com/linux/security/advisories/2006_42_kernel.html
- bugs.debian.orghttp://bugs.debian.org/cgi-bin/bugreport.cgi?bug=376824
- secunia.com24525http://secunia.com/advisories/24525
- www.vupen.comADV-2006-2797http://www.vupen.com/english/advisories/2006/2797
- secunia.com21349http://secunia.com/advisories/21349
- security.gentoo.orgGLSA-200608-05http://security.gentoo.org/glsa/glsa-200608-05.xml
- security.gentoo.orgGLSA-200703-19http://security.gentoo.org/glsa/glsa-200703-19.xml
- sourceforge.nethttp://sourceforge.net/project/shownotes.php?release_id=431724&group_id=32584
- secunia.com20940http://secunia.com/advisories/20940
- secunia.com21393http://secunia.com/advisories/21393
- security.gentoo.orgGLSA-200608-12http://security.gentoo.org/glsa/glsa-200608-12.xml
- secunia.com21405http://secunia.com/advisories/21405
- www.securityfocus.com18977http://www.securityfocus.com/bid/18977
- libvncserver.cvs.sourceforge.nethttp://libvncserver.cvs.sourceforge.net/libvncserver/libvncserver/libvncserver/auth.c?r1=1.11&r2=1.14&diff_format=u
- secunia.com21179http://secunia.com/advisories/21179
- www.securityfocus.com20060811 Re: [ GLSA 200608-12 ] x11vnc: Authentication bypass in included LibVNCServer codehttp://www.securityfocus.com/archive/1/442986/100/0/threaded
- seclists.org20220513 some details regarding CVE-2022-24422 / iDRAC VNC authenticationhttp://seclists.org/fulldisclosure/2022/May/29
07 Fixed in
Debian 12
- libvncserver Fixed in 0.8.2-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- libvncserver Fixed in 0.8.2-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- libvncserver Fixed in 0.8.2-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.