HOMEVULNERABILITIESCVE-2022-24942
CRITICAL

CVE-2022-24942

CWE-122Published: November 15, 2022· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

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

NVD Source

Risk Analysis

Micrium uC-HTTP 3.01.01 contains a heap-based buffer overflow in its HTTP server functionality, which can lead to remote code execution. This is a critical vulnerability with a CVSS score of 9.8, making it a high priority for remediation.

There is no public exploit known, and it is not in the CISA KEV database. The vulnerability is remotely exploitable.

Recommended Action

Update the Micrium uC-HTTP component to the latest version. Implement network-level protections to limit access to the HTTP server functionality.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2022-24942 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

silabs1 product(s)
micrium uc-http
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://community.silabs.com/sfc/servlet.shepherd/document/download/0698Y00000KlMPOQA3?operationContext=S1
ADVISORYhttps://github.com/SiliconLabs/gecko_sdk/blame/v4.1.1/platform/micrium_os/net/source/http/server/http_server_req.c
ADVISORYhttps://community.silabs.com/sfc/servlet.shepherd/document/download/0698Y00000KlMPOQA3?operationContext=S1
ADVISORYhttps://github.com/SiliconLabs/gecko_sdk/blame/v4.1.1/platform/micrium_os/net/source/http/server/http_server_req.c

All References (4)

→
https://community.silabs.com/sfc/servlet.shepherd/document/download/0698Y00000KlMPOQA3?operationContext=S1Permissions Required · Vendor Advisory
→
https://github.com/SiliconLabs/gecko_sdk/blame/v4.1.1/platform/micrium_os/net/source/http/server/http_server_req.cExploit · Third Party Advisory
→
https://community.silabs.com/sfc/servlet.shepherd/document/download/0698Y00000KlMPOQA3?operationContext=S1Permissions Required · Vendor Advisory
→
https://github.com/SiliconLabs/gecko_sdk/blame/v4.1.1/platform/micrium_os/net/source/http/server/http_server_req.cExploit · Third Party Advisory

Quick Facts

CVE IDCVE-2022-24942
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-122
CISA KEVNo
Affected1 vendor(s)
PublishedNov 15, 2022

Related CVEs (CWE-122)

CVE-2022-34819
10.0
CVE-2021-21940
10.0
CVE-2026-24822
10.0
CVE-2026-46752
10.0
CVE-2025-23123
10.0
CVE-2021-25387
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2022-24942 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
← All Vulnerabilities·Search for CVE-2022-24942·NVD