What’s Vulnerable › Vulnerabilities

CVE-2022-42136

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-01-13 · updated 2026-06-17
• Weakness: CWE-22

Description

Authenticated mail users, under specific circumstances, could add files with unsanitized content in public folders where the IIS user had permission to access. That action, could lead an attacker to store arbitrary code on that files and execute RCE commands.

Affected products

• MailEnable: before 8.66; from 9.0 before 9.85; from 10.00 before 10.42 — fixed in 10.42, 8.66, 9.85

How to fix

Upgrade to a fixed version: MailEnable 10.42, 8.66, 9.85. Check the vendor advisory for mitigations.

References

• https://pastebin.com/ahLNMf5n
• https://www.mailenable.com/kb/content/article.asp?ID=ME020737
• https://pastebin.com/ahLNMf5n
• https://www.mailenable.com/kb/content/article.asp?ID=ME020737

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