CVE-2022-24942 json
Heap-based buffer overflow in MicriumOS HTTP Server allows potential remote code execution
published 2022-11-02 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-29697
- cvss
- 9.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.4%
- EPSS 2.4% chance of exploitation in 30 days, percentile 84%
- public exploits
- 0
- none known
Summary
Heap based buffer overflow in HTTP Server functionality in Micrium uC-HTTP 3.01.01 allows remote code execution via HTTP request.
Patch / fix
- silabs.com Gecko Platform 4.1.1.0
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- total
- Assessed
- 18 mo ago
Exploit prediction
2.44% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/SiliconLabs/gecko_sdk/blame/v4.1.1/platform/micrium_os/net/source/http/server/http_server_req.c referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- silabs.com Gecko Platform
Classification
References
-
github.com
/SiliconLabs/gecko_sdk/blame/v4.1.1/platform/micrium_os/net/source/http/server/http_server_req.c
patch, exploit, third-party-advisory
-
community.silabs.com
/sfc/servlet.shepherd/document/download/0698Y00000KlMPOQA3?operationContext=S1
vendor-advisory, permissions-required
Sources
- CVE List CVE-2022-24942
- NVD CVE-2022-24942
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