CVE-2023-25076

Name: CVE-2023-25076
Creator: NVD / NIST
Published: 2023-03-30T15:15:07.37+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 65.52%

Last modified Jun 17, 2026

CVE-2023-25076 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A buffer overflow vulnerability exists in the handling of wildcard backend hosts of SNIProxy 0.6.0-2 and the master branch (commit: 822bb80df9b7b345cc9eba55df74a07b498819ba). A specially crafted HTTP or TLS packet can lead to arbitrary code execution. EPSS estimates a 65.52% chance of exploitation in the next 30 days.

Description

A buffer overflow vulnerability exists in the handling of wildcard backend hosts of SNIProxy 0.6.0-2 and the master branch (commit: 822bb80df9b7b345cc9eba55df74a07b498819ba). A specially crafted HTTP or TLS packet can lead to arbitrary code execution. An attacker could send a malicious packet to trigger this vulnerability.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

65.52%

99.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-120

Affected Software

Vendor	Product	Versions
Sniproxy Project	Sniproxy	0.6.0-2
Sniproxy Project	Sniproxy	0.6.1

References

Timeline

Published: Mar 30, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-25076?

How severe is CVE-2023-25076?

CVE-2023-25076 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 65.52% probability of exploitation in the next 30 days.

How do I fix CVE-2023-25076?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-25076?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST