What is the CVSS score of CVE-2022-24942?

CVE-2022-24942 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: 1.9%.

Is there a public PoC exploit available for CVE-2022-24942?

Yes, a public proof-of-concept exploit is available for CVE-2022-24942. Prioritise patching immediately. EPSS: 1.9%.

Micrium Uc Http CVE-2022-24942

CRITICAL

Heap-based Buffer Overflow (CWE-122)

2022-11-15 product-security@silabs.com

Heap Overflow RCE Buffer Overflow Micrium Uc Http

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

Nov 15, 2022 - 21:15 nvd

CRITICAL 9.8

DescriptionNVD

Heap based buffer overflow in HTTP Server functionality in Micrium uC-HTTP 3.01.01 allows remote code execution via HTTP request.

AnalysisAI

Heap based buffer overflow in HTTP Server functionality in Micrium uC-HTTP 3.01.01 allows remote code execution via HTTP request. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-122. Heap based buffer overflow in HTTP Server functionality in Micrium uC-HTTP 3.01.01 allows remote code execution via HTTP request. Affected products include: Silabs Micrium Uc-Http.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.