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Vulnerability details: VCID-xfj3-nxu6-aaag
Vulnerability ID VCID-xfj3-nxu6-aaag
Aliases CVE-2020-14399
Summary An issue was discovered in LibVNCServer before 0.9.13. Byte-aligned data is accessed through uint32_t pointers in libvncclient/rfbproto.c. NOTE: there is reportedly "no trust boundary crossed.
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
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2020/CVE-2020-14399.html
cvssv3 0.0 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-14399.json
epss 0.00782 https://api.first.org/data/v1/epss?cve=CVE-2020-14399
epss 0.00782 https://api.first.org/data/v1/epss?cve=CVE-2020-14399
epss 0.00782 https://api.first.org/data/v1/epss?cve=CVE-2020-14399
epss 0.00782 https://api.first.org/data/v1/epss?cve=CVE-2020-14399
epss 0.01347 https://api.first.org/data/v1/epss?cve=CVE-2020-14399
epss 0.01347 https://api.first.org/data/v1/epss?cve=CVE-2020-14399
epss 0.01347 https://api.first.org/data/v1/epss?cve=CVE-2020-14399
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epss 0.02126 https://api.first.org/data/v1/epss?cve=CVE-2020-14399
epss 0.02126 https://api.first.org/data/v1/epss?cve=CVE-2020-14399
epss 0.02126 https://api.first.org/data/v1/epss?cve=CVE-2020-14399
epss 0.02126 https://api.first.org/data/v1/epss?cve=CVE-2020-14399
epss 0.02126 https://api.first.org/data/v1/epss?cve=CVE-2020-14399
epss 0.04063 https://api.first.org/data/v1/epss?cve=CVE-2020-14399
rhbs low https://bugzilla.redhat.com/show_bug.cgi?id=1860354
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14399
cvssv3.1 4.3 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
generic_textual Medium https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2020-14399
cvssv3 7.5 https://nvd.nist.gov/vuln/detail/CVE-2020-14399
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2020-14399
generic_textual Medium https://ubuntu.com/security/notices/USN-4434-1
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
http://people.canonical.com/~ubuntu-security/cve/2020/CVE-2020-14399.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-14399.json
https://api.first.org/data/v1/epss?cve=CVE-2020-14399
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14399
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://github.com/LibVNC/libvncserver/commit/23e5cbe6b090d7f22982aee909a6a618174d3c2d
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
https://ubuntu.com/security/notices/USN-4434-1
https://usn.ubuntu.com/4434-1/
1860354 https://bugzilla.redhat.com/show_bug.cgi?id=1860354
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-2020-14399 https://nvd.nist.gov/vuln/detail/CVE-2020-14399
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-14399.json
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: 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-2020-14399
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-2020-14399
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: 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-2020-14399
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 0.81216
EPSS Score 0.00782
Published At Dec. 17, 2024, midnight
Date Actor Action Source VulnerableCode Version
2025-04-17T23:56:28.031554+00:00 NVD CVE Status Improver Improve https://cveawg.mitre.org/api/cve/CVE-2020-14399 36.0.0