What is the CVSS score of CVE-2023-43090?

CVE-2023-43090 has a CVSS 3.1 base score of 5.5 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.3%.

Is there a public PoC exploit available for CVE-2023-43090?

Yes, a public proof-of-concept exploit is available for CVE-2023-43090. Prioritise patching immediately. EPSS: 0.3%.

Is there a patch available for CVE-2023-43090?

Yes, a patch is available for CVE-2023-43090. Update the affected software to the latest version immediately.

Gnome Shell CVE-2023-43090

MEDIUM

Missing Authorization (CWE-862)

2023-09-22 patrick@puiterwijk.org

Microsoft Authentication Bypass Gnome Shell Fedora

5.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.5 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

CVE Published

Sep 22, 2023 - 06:15 nvd

MEDIUM 5.5

DescriptionNVD

A vulnerability was found in GNOME Shell. GNOME Shell's lock screen allows an unauthenticated local user to view windows of the locked desktop session by using keyboard shortcuts to unlock the restricted functionality of the screenshot tool.

AnalysisAI

A vulnerability was found in GNOME Shell. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified as Missing Authorization (CWE-862), which allows attackers to access resources or perform actions without proper authorization checks. A vulnerability was found in GNOME Shell. GNOME Shell's lock screen allows an unauthenticated local user to view windows of the locked desktop session by using keyboard shortcuts to unlock the restricted functionality of the screenshot tool. Affected products include: Gnome Gnome-Shell, Fedoraproject Fedora.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Implement role-based access control, validate authorization on every request server-side, apply principle of least privilege.