What’s Vulnerable › Vulnerabilities

CVE-2022-39258: mailcow-dockerized critical information misrepresentation can lead to phishing attacks through Swagger UI

• Severity: high (CVSS 8.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-09-27 · updated 2026-06-17
• Weakness: CWE-200

Description

mailcow is a mailserver suite. A vulnerability innversions prior to 2022-09 allows an attacker to craft a custom Swagger API template to spoof Authorize links. This could redirect a victim to an attacker controller place to steal Swagger authorization credentials or create a phishing page to steal other information. The issue has been fixed with the 2022-09 mailcow Mootember Update. As a workaround, one may delete the Swapper API Documentation from their e-mail server.

Affected products

• mailcow-dockerized: before 2022-09 — fixed in 2022-09

How to fix

Upgrade to a fixed version: mailcow-dockerized 2022-09. Check the vendor advisory for mitigations.

References

• https://github.com/mailcow/mailcow-dockerized/pull/4766
• https://github.com/mailcow/mailcow-dockerized/security/advisories/GHSA-vjgf-cp5p-wm45
• https://github.com/mailcow/mailcow-dockerized/pull/4766
• https://github.com/mailcow/mailcow-dockerized/security/advisories/GHSA-vjgf-cp5p-wm45

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