CVE-2023-34738
CWE-434Published: June 29, 2023· Updated: Jun 17, 2026
Official Description
Chemex through 3.7.1 is vulnerable to arbitrary file upload.
Risk Analysis
Chemex versions through 3.7.1 are vulnerable to arbitrary file upload, which can lead to remote code execution. This critical flaw is rated 9.8 and is remotely exploitable with low complexity. It poses a significant risk to the integrity and availability of the server.
There is no public exploit known, and it is not in the CISA KEV.
Upgrade Chemex to a version beyond 3.7.1 and restrict file upload permissions.
Technical Analysis
CVE-2023-34738 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
All References (2)
Quick Facts
Related CVEs (CWE-434)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-34738 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts