What is the CVSS score of CVE-2023-5521?

CVE-2023-5521 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.6%.

Is there a public PoC exploit available for CVE-2023-5521?

Yes, a public proof-of-concept exploit is available for CVE-2023-5521. Prioritise patching immediately. EPSS: 0.6%.

Is there a patch available for CVE-2023-5521?

Yes, a patch is available for CVE-2023-5521. Update the affected software to the latest version immediately.

Kernelsu CVE-2023-5521

CRITICAL

Incorrect Authorization (CWE-863)

2023-10-11 security@huntr.dev

Authentication Bypass Kernelsu

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Oct 11, 2023 - 12:15 nvd

CRITICAL 9.8

DescriptionNVD

Incorrect Authorization in GitHub repository tiann/kernelsu prior to v0.6.9.

AnalysisAI

Incorrect Authorization in GitHub repository tiann/kernelsu prior to v0.6.9. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified as Incorrect Authorization (CWE-863), which allows attackers to bypass authorization checks to access restricted resources. Incorrect Authorization in GitHub repository tiann/kernelsu prior to v0.6.9. Affected products include: Kernelsu.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Review and test authorization logic, implement consistent access control checks, use centralized authorization framework.