Arbitrary file upload in A.k.i Software Pmc.exe

CVE-2023-39933

Insufficient verification vulnerability exists in Broadcast Mail CGI (pmc.exe) included in A.K.I Software's PMailServer/PMailServer2 products. If this vulnerability is exploited, a user who can upload files through the product may execute an arbitrary executable file with the web server's execution privilege.

Vulnerability class: Unrestricted File Upload

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.004 (36.6th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 36.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-39933: held from 0.004 to 0.004.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-39933?
CVE-2023-39933 is a medium-severity vulnerability in A.k.i Software Pmc.exe, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 4.3/10. Published 2024-03-18.
How severe is CVE-2023-39933?
Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2023-39933 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.