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Vulnerability details: VCID-puky-1tyt-aaah
Vulnerability ID VCID-puky-1tyt-aaah
Aliases CVE-2020-16125
Summary gdm3 versions before 3.36.2 or 3.38.2 would start gnome-initial-setup if gdm3 can't contact the accountservice service via dbus in a timely manner; on Ubuntu (and potentially derivatives) this could be be chained with an additional issue that could allow a local user to create a new privileged account.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-754 Improper Check for Unusual or Exceptional Conditions
CWE-636 Not Failing Securely ('Failing Open')
System Score Found at
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2020/CVE-2020-16125.html
rhas Moderate https://access.redhat.com/errata/RHSA-2021:1586
cvssv3 6.4 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-16125.json
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.00092 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.00092 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.00092 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.00092 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.17564 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.17564 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.17564 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.17564 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.17564 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.17564 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.17564 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.17564 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.17564 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.17564 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.17564 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.17564 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.17564 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.17564 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.17564 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.17564 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.17564 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.17564 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.17564 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.17564 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.17564 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.17564 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.17564 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.17564 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.17564 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.17564 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.17564 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.17564 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.17564 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.17564 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.17564 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.17564 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.17564 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.17564 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.17564 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.17564 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.17564 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.17564 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.17564 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.17564 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.17564 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.17564 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.17564 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.17564 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.17564 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.17564 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.17564 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.17564 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.17564 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.17564 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
epss 0.22685 https://api.first.org/data/v1/epss?cve=CVE-2020-16125
rhbs low https://bugzilla.redhat.com/show_bug.cgi?id=1901994
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16125
cvssv3.1 7.8 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 4.6 https://nvd.nist.gov/vuln/detail/CVE-2020-16125
cvssv3 6.8 https://nvd.nist.gov/vuln/detail/CVE-2020-16125
cvssv3.1 6.8 https://nvd.nist.gov/vuln/detail/CVE-2020-16125
archlinux High https://security.archlinux.org/AVG-1264
generic_textual Medium https://ubuntu.com/security/notices/USN-4614-1
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2020/CVE-2020-16125.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-16125.json
https://api.first.org/data/v1/epss?cve=CVE-2020-16125
https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1900314
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16125
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://gitlab.gnome.org/GNOME/gdm/-/issues/642
https://securitylab.github.com/advisories/GHSL-2020-202-gdm3-LPE-unresponsive-accounts-daemon
https://ubuntu.com/security/notices/USN-4614-1
1901994 https://bugzilla.redhat.com/show_bug.cgi?id=1901994
ASA-202011-5 https://security.archlinux.org/ASA-202011-5
AVG-1264 https://security.archlinux.org/AVG-1264
cpe:2.3:a:gnome:gnome_display_manager:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:gnome:gnome_display_manager:*:*:*:*:*:*:*:*
CVE-2020-16125 https://nvd.nist.gov/vuln/detail/CVE-2020-16125
RHSA-2021:1586 https://access.redhat.com/errata/RHSA-2021:1586
USN-4614-1 https://usn.ubuntu.com/4614-1/
No exploits are available.
Vector: CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-16125.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:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H 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:L/AC:L/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2020-16125
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:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2020-16125
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:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2020-16125
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 0.36789
EPSS Score 0.00084
Published At Nov. 1, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.