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TI-2023-20830 Aliases CVE-2023-39933GHSA-qgvx-mvf3-xw8r

Unrestricted file upload in A.K.I Software pmc.exe

Priority LOW 20CWE-434Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
None · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-434.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00448 39th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
A.K.I Softwarepmc.exeup to 2.5.1.720—No fix listedCNA
  • pmc.exe VendorA.K.I Software Affected up to 2.5.1.720 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-39933
  2. 2026-10-03 Alias added: GHSA-qgvx-mvf3-xw8r

References

Other 2

  • TI-2023-21519 Path traversal in A.K.I Software pmman.exe CVSS 3.1HIGH 7.5
  • TI-2023-20380 Cross-site scripting in A.K.I Software pmc.exe CVSS 3.1MEDIUM 5.4
  • TI-2023-21035 Path traversal in A.K.I Software pmmls.exe CVSS 3.1LOW 3.7

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences