Read the docs
TI-2023-12129 Aliases CVE-2023-27397GHSA-g497-rhxm-mc9f

Unrestricted file upload in MicroEngine Mailform

Priority MEDIUM 51CWE-434Published · Updated

Key facts

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

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

Summary

Unrestricted upload of file with dangerous type exists in MicroEngine Mailform version 1.1.0 to 1.1.8. If the product's file upload function and server save option are enabled, a remote attacker may save an arbitrary file on the server and execute it.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00915 60th 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
Yes
Technical impact
Total

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

Affected products

VendorProductAffected versionsFixed inStatusSource
MicroEngine Inc.MicroEngine Mailformversion 1.1.0 to 1.1.8—No fix listedCNA
  • MicroEngine Mailform VendorMicroEngine Inc. Affected version 1.1.0 to 1.1.8 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:microengine:mailform:*:*:*:*:*:*:*:*1.1.0 to before 1.1.9VulnerableMicroEngine Inc.
  • cpe:2.3:a:microengine:mailform:*:*:*:*:*:*:*:* Versions 1.1.0 to before 1.1.9 Vulnerable ·MicroEngine Inc.

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-27397
  2. 2026-10-03 Alias added: GHSA-g497-rhxm-mc9f

References

  • TI-2023-12234 Path traversal in MicroEngine Mailform CVSS 3.1CRITICAL 9.8

Sources