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ubuntucveUbuntu.comUB:CVE-2020-16125
HistoryNov 03, 2020 - 12:00 a.m.

CVE-2020-16125

2020-11-0300:00:00
ubuntu.com
ubuntu.com
11

6.8 Medium

CVSS3

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

4.6 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:P/I:P/A:P

0.001 Low

EPSS

Percentile

34.5%

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.

Bugs

OSVersionArchitecturePackageVersionFilename
ubuntu21.04noarchgdm3< 3.38.1-2ubuntu1.1UNKNOWN
ubuntu21.10noarchgdm3< 3.38.1-2ubuntu1.1UNKNOWN
ubuntu22.04noarchgdm3< 3.38.1-2ubuntu1.1UNKNOWN
ubuntu16.04noarchgdm3< anyUNKNOWN
ubuntu22.10noarchgdm3< 3.38.1-2ubuntu1.1UNKNOWN
ubuntu23.04noarchgdm3< 3.38.1-2ubuntu1.1UNKNOWN
ubuntu18.04noarchgdm3< 3.28.3-0ubuntu18.04.6UNKNOWN
ubuntu20.04noarchgdm3< 3.36.3-0ubuntu0.20.04.2UNKNOWN
ubuntu20.10noarchgdm3< 3.38.1-2ubuntu1.1UNKNOWN
ubuntu23.10noarchgdm3< 3.38.1-2ubuntu1.1UNKNOWN

6.8 Medium

CVSS3

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

4.6 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:P/I:P/A:P

0.001 Low

EPSS

Percentile

34.5%