Cyber Resilience

CVE-2023-27507

Critical

Published: 23 May 2023

Published
23 May 2023
Modified
31 January 2025
KEV Added
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Patch
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CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0186 83.4th percentile
Risk Priority 21 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-27507 is a critical-severity Path Traversal (CWE-22) vulnerability in Microengine Mailform. Its CVSS base score is 9.8 (Critical).

Operationally, ranked in the top 16.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

MicroEngine Mailform version 1.1.0 to 1.1.8 contains a path traversal vulnerability. 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.

CWE(s)
CWE-22

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

microengine
mailform
1.1.0 — 1.1.9

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SI-10 Information Input Validation
addresses: CWE-22

Validates pathnames and filenames to prevent traversal outside intended directories.

References