CVE-2023-28391
CVSS v3
9.8
CRITICAL
EPSS Score
1.5 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
A memory corruption vulnerability exists in the HTTP Server header parsing functionality of Weston Embedded uC-HTTP v3.01.01. Specially crafted network packets can lead to code execution. An attacker can send a malicious packet to trigger this vulnerability.
Technical details
- Published
- 2023-11-14
Frequently asked questions
What is CVE-2023-28391?
A memory corruption vulnerability exists in the HTTP Server header parsing functionality of Weston Embedded uC-HTTP v3.01.01. Specially crafted network packets can lead to code execution. An attacker can send a malicious packet to trigger this vulnerability.
Is CVE-2023-28391 actively exploited?
Active exploitation of CVE-2023-28391 has not been confirmed. Its EPSS score was 1.5% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2023-28391?
CVE-2023-28391 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2023-28391 affecting your environment?
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