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CRITICAL

CVE-2023-45318

CVSS v3

9.8

CRITICAL

EPSS Score

1.7 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

A heap-based buffer overflow vulnerability exists in the HTTP Server functionality of Weston Embedded uC-HTTP git commit 80d4004. A specially crafted network packet can lead to arbitrary code execution. An attacker can send a malicious packet to trigger this vulnerability.

Technical details

Published
2024-02-20

Frequently asked questions

What is CVE-2023-45318?

A heap-based buffer overflow vulnerability exists in the HTTP Server functionality of Weston Embedded uC-HTTP git commit 80d4004. A specially crafted network packet can lead to arbitrary code execution. An attacker can send a malicious packet to trigger this vulnerability.

Is CVE-2023-45318 actively exploited?

Active exploitation of CVE-2023-45318 has not been confirmed. Its EPSS score was 1.7% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-45318?

CVE-2023-45318 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2023-45318 affecting your environment?

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