CVE-2023-34738

Name: CVE-2023-34738
Creator: NVD / NIST
Published: 2023-06-29T00:15:09.62+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.64%

Last modified Jun 17, 2026

CVE-2023-34738 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Chemex through 3.7.1 is vulnerable to arbitrary file upload.. EPSS estimates a 0.64% chance of exploitation in the next 30 days.

Description

Chemex through 3.7.1 is vulnerable to arbitrary file upload.

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

0.64%

45.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-434

Affected Software

Vendor	Product	Versions
Chemex	Chemex	<= 3.7.1

References

https://github.com/celaraze/chemex/issues/64Exploit, Issue Tracking
https://github.com/celaraze/chemex/issues/64Exploit, Issue Tracking

Timeline

Published: Jun 29, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-34738?

Chemex through 3.7.1 is vulnerable to arbitrary file upload.

How severe is CVE-2023-34738?

CVE-2023-34738 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.64% probability of exploitation in the next 30 days.

How do I fix CVE-2023-34738?

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-2023-34738?

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

Scan your code now

Source: NVD / NIST