Vulnerability · Published Nov 14, 2023 · Assigned by talos
CVE-2023-31247
Critical 9.0
In plain English
A critical-severity memory corruption in Gecko Platform from Silicon Labs. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.7% (higher than 77% of all known vulnerabilities).
Severity (CVSS 3.1)9.0Critical
Exploit odds (30 days)1.7%top 23.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A memory corruption vulnerability exists in the HTTP Server Host header parsing functionality of Weston Embedded uC-HTTP v3.01.01. A specially crafted network packet can lead to code execution. An attacker can send a malicious packet to trigger this vulnerability.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Silicon Labs | Gecko Platform | 4.3.1.0 |
| Weston Embedded | Cesium NET | 3.07.01 |
| Weston Embedded | uC-HTTP | v3.01.01 |
Weakness: CWE-119 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H