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The vulnerability of the scan.c component in the X11vnc server allows attackers to gain access to confidential data, compromise its integrity, and cause service failures. This vulnerability is related to the absence of a authentication mechanism.

🗓️ 30 Mar 2021 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec
🔗 bdu.fstec.ru👁 3 Views

The scan.c vulnerability in X11vnc server lacks authentication, enabling remote access to data, integrity loss, and service disruption.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
FreeBSD
x11vnc -- access to shared memory segments
18 Nov 202000:00
freebsd
AlpineLinux
CVE-2020-29074
25 Nov 202022:06
alpinelinux
Circl
CVE-2020-29074
21 Feb 202603:19
circl
CNNVD
Libvnc X11vnc Security Vulnerabilities
25 Nov 202000:00
cnnvd
CVE
CVE-2020-29074
25 Nov 202022:06
cve
Cvelist
CVE-2020-29074
25 Nov 202022:06
cvelist
Debian
[SECURITY] [DLA 2490-1] x11vnc security update
10 Dec 202021:30
debian
Debian
[SECURITY] [DSA 4799-1] x11vnc security update
28 Nov 202014:00
debian
Debian
[SECURITY] [DSA 4799-1] x11vnc security update
28 Nov 202014:00
debian
Debian CVE
CVE-2020-29074
25 Nov 202022:06
debiancve
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Vulners
Node
karl_rungex11vncMatch0.9.16
OROROR

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26 Nov 2025 00:00Current
7.7High risk
Vulners AI Score7.7
CVSS 26.5
CVSS 38.8
EPSS0.01723
3