Vulnerability Report

CVE-2021-20315

Title: Gnome Gnome-Shell

Other

Proof Of Concept

No public PoC currently indexed for CVE-2021-20315.

CWE Category CWE-667

Published Date Feb 18, 2022

Modified Date Nov 21, 2024

Exploit Status Not Found

Score 6.1 CVSS v3.1

Exploit Probability (EPSS)

0.20%

Vulnerability Summary

CVE-2021-20315: A locking protection bypass flaw was found in some versions of gnome-shell as shipped within CentOS Stream 8, when the "Application menu" or "Window list" GNOME extensions are enabled. This flaw allows a physical attacker who has access to a locked system to kill existing applications and start new ones as the locked user, even if the session is still locked.

Impacted Vendors

gnome 1

Reference Links

https://bugzilla.redhat.com/show_bug.cgi?id=2006285 https://bugzilla.redhat.com/show_bug.cgi?id=2006285

CVSS v3.1

Source Entity [email protected]

Severity MEDIUM

6.1

Attack Vector

PHYSICAL

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

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

CVSS v2.0

Source Entity [email protected]

Severity LOW

3.6

Access Vector

N/A

Authentication

N/A

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

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2021-20315 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

November 21, 2024 MODIFIED

Vulnerability data or affected products updated.

February 18, 2022 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector PHYSICAL

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


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

Affected Stack

No specific products linked.