CVE-2023-27882

A heap-based buffer overflow vulnerability exists in the HTTP Server form boundary 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.

CVSS v3.1

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1

9.0 CRITICALCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

EPSS

1.78% chance of exploitation in the next 30 days, 77th percentile

Published

2023-11-14

Updated

2025-11-04

Proof-of-concept exploits (1)

• https://talosintelligence.com/vulnerability_reports/TALOS-2023-1733

References

• CVE Record
• NVD entry

Related

• CVE-2023-27856
• CVE-2023-2789
• CVE-2023-27855
• CVE-2023-27892
• CVE-2023-27849
• CVE-2023-2790