CVE-2022-39258

Name: CVE-2022-39258
Creator: NVD / NIST
Published: 2022-09-27T15:15:10.357+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.2/10EPSS 0.61%

Last modified Jun 17, 2026

CVE-2022-39258 is a high-severity vulnerability rated 8.2/10 on the CVSS scale. 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. EPSS estimates a 0.61% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.2/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N

EPSS Probability

0.61%

44.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Mailcow	Mailcow\	< 2022-09

References

https://github.com/mailcow/mailcow-dockerized/pull/4766Patch, Third Party Advisory
https://github.com/mailcow/mailcow-dockerized/security/advisories/GHSA-vjgf-cp5p-wm45Exploit, Third Party Advisory
https://github.com/mailcow/mailcow-dockerized/pull/4766Patch, Third Party Advisory
https://github.com/mailcow/mailcow-dockerized/security/advisories/GHSA-vjgf-cp5p-wm45Exploit, Third Party Advisory

Timeline

Published: Sep 27, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-39258?

How severe is CVE-2022-39258?

CVE-2022-39258 has a CVSS score of 8.2/10 (HIGH severity). The EPSS model estimates a 0.61% probability of exploitation in the next 30 days.

How do I fix CVE-2022-39258?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-39258?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST