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Vulnerability details: VCID-7azw-g7z2-pkdu
Vulnerability ID VCID-7azw-g7z2-pkdu
Aliases CVE-2020-14400
Summary An issue was discovered in LibVNCServer before 0.9.13. Byte-aligned data is accessed through uint16_t pointers in libvncserver/translate.c. NOTE: Third parties do not consider this to be a vulnerability as there is no known path of exploitation or cross of a trust boundary
Status Disputed
Exploitability 0.5
Weighted Severity 6.8
Risk 3.4
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
System Score Found at
epss 0.02432 https://api.first.org/data/v1/epss?cve=CVE-2020-14400
epss 0.02432 https://api.first.org/data/v1/epss?cve=CVE-2020-14400
epss 0.02432 https://api.first.org/data/v1/epss?cve=CVE-2020-14400
epss 0.02432 https://api.first.org/data/v1/epss?cve=CVE-2020-14400
epss 0.02432 https://api.first.org/data/v1/epss?cve=CVE-2020-14400
epss 0.02432 https://api.first.org/data/v1/epss?cve=CVE-2020-14400
epss 0.02432 https://api.first.org/data/v1/epss?cve=CVE-2020-14400
epss 0.02432 https://api.first.org/data/v1/epss?cve=CVE-2020-14400
epss 0.02432 https://api.first.org/data/v1/epss?cve=CVE-2020-14400
epss 0.02432 https://api.first.org/data/v1/epss?cve=CVE-2020-14400
epss 0.02432 https://api.first.org/data/v1/epss?cve=CVE-2020-14400
epss 0.02432 https://api.first.org/data/v1/epss?cve=CVE-2020-14400
epss 0.02432 https://api.first.org/data/v1/epss?cve=CVE-2020-14400
epss 0.02432 https://api.first.org/data/v1/epss?cve=CVE-2020-14400
epss 0.02432 https://api.first.org/data/v1/epss?cve=CVE-2020-14400
epss 0.02432 https://api.first.org/data/v1/epss?cve=CVE-2020-14400
epss 0.02432 https://api.first.org/data/v1/epss?cve=CVE-2020-14400
epss 0.02738 https://api.first.org/data/v1/epss?cve=CVE-2020-14400
epss 0.02738 https://api.first.org/data/v1/epss?cve=CVE-2020-14400
epss 0.02738 https://api.first.org/data/v1/epss?cve=CVE-2020-14400
epss 0.02738 https://api.first.org/data/v1/epss?cve=CVE-2020-14400
epss 0.02738 https://api.first.org/data/v1/epss?cve=CVE-2020-14400
epss 0.02738 https://api.first.org/data/v1/epss?cve=CVE-2020-14400
epss 0.02738 https://api.first.org/data/v1/epss?cve=CVE-2020-14400
cvssv3.1 4.3 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2020-14400
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2020-14400
Reference id Reference type URL
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00033.html
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00055.html
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00066.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-14400.json
https://api.first.org/data/v1/epss?cve=CVE-2020-14400
https://bugzilla.redhat.com/show_bug.cgi?id=1860361
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14400
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://github.com/LibVNC/libvncserver/commit/53073c8d7e232151ea2ecd8a1243124121e10e2d
https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13
https://lists.debian.org/debian-lts-announce/2020/06/msg00035.html
https://lists.debian.org/debian-lts-announce/2020/08/msg00045.html
cpe:2.3:a:libvncserver_project:libvncserver:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:libvncserver_project:libvncserver:*:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*
CVE-2020-14400 https://nvd.nist.gov/vuln/detail/CVE-2020-14400
USN-4434-1 https://usn.ubuntu.com/4434-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2020-14400
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2020-14400
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.8452
EPSS Score 0.02432
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T17:24:49.764624+00:00 NVD CVE Status Improver Improve https://cveawg.mitre.org/api/cve/CVE-2020-14400 37.0.0
2025-07-31T08:43:03.435362+00:00 Ubuntu USN Importer Import https://usn.ubuntu.com/4434-1/ 37.0.0