CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
53.2%
An issue was discovered in LibVNCServer before 0.9.13.
libvncclient/tls_openssl.c has a NULL pointer dereference.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 20.04 | noarch | libvncserver | < 0.9.12+dfsg-9ubuntu0.2 | UNKNOWN |
ubuntu | 20.04 | noarch | veyon | < any | UNKNOWN |
ubuntu | 22.04 | noarch | veyon | < any | UNKNOWN |
ubuntu | 24.04 | noarch | veyon | < any | UNKNOWN |
ubuntu | 18.04 | noarch | x11vnc | < any | UNKNOWN |
ubuntu | 20.04 | noarch | x11vnc | < any | UNKNOWN |
ubuntu | 22.04 | noarch | x11vnc | < any | UNKNOWN |
ubuntu | 24.04 | noarch | x11vnc | < any | UNKNOWN |
ubuntu | 14.04 | noarch | x11vnc | < any | UNKNOWN |
ubuntu | 16.04 | noarch | x11vnc | < any | UNKNOWN |
github.com/LibVNC/libvncserver/commit/33441d90a506d5f3ae9388f2752901227e430553
github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13
launchpad.net/bugs/cve/CVE-2020-14396
nvd.nist.gov/vuln/detail/CVE-2020-14396
security-tracker.debian.org/tracker/CVE-2020-14396
ubuntu.com/security/notices/USN-4434-1
www.cve.org/CVERecord?id=CVE-2020-14396
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
53.2%