NULL pointer dereference in Micrium
Priority LOW 38CWE-690Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-476.
Summary
A denial-of-service vulnerability exists in the HTTP Server functionality of Micrium uC-HTTP 3.01.00. A specially crafted HTTP request can lead to denial of service. An attacker can send an HTTP request to trigger this vulnerability.
Why it matters now
EPSS 0.02644 85th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Micrium | Micrium uC-HTTP 3.01.00 | — | No fix listed | CNA |
- Micrium Vendor— Affected Micrium uC-HTTP 3.01.00 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:silabs:micrium_uc-http:3.01.00:*:*:*:*:*:*:* | 3.01.00 | Vulnerable | silabs.com |
- cpe:2.3:a:silabs:micrium_uc-http:3.01.00:*:*:*:*:*:*:* Versions 3.01.00 Vulnerable ·silabs.com
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-13582
- 2026-10-03 Alias added: GHSA-67mj-v4p8-w9gj
References
More silabs.com Micrium Uc-http vulnerabilities
- TI-2022-08744 Heap-based buffer overflow in MicriumOS HTTP Server allows potential remote code execution CVSS 3.1CRITICAL 9.8
Sources
- CVE-2020-13582 · CVE Program
- CVE-2020-13582 · NVD
- FIRST EPSS
- GHSA-67mj-v4p8-w9gj · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences