CVE-2020-5239

Unspecified vulnerability in the fetchmail script in Mailu

Description

In Mailu before version 1.7, an authenticated user can exploit a vulnerability in Mailu fetchmail script and gain full access to a Mailu instance. Mailu servers that have open registration or untrusted users are most impacted. The master and 1.7 branches are patched on our git repository. All Docker images published on docker.io/mailu for tags 1.5, 1.6, 1.7 and master are patched. For detailed instructions about patching and securing the server afterwards, see https://github.com/Mailu/Mailu/issues/1354

Category

8.7
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.45%
Third-Party Advisory github.com Third-Party Advisory github.com
Affected: Mailu Mailu
Published at:
Updated at:

References

Link Tags
https://github.com/Mailu/Mailu/security/advisories/GHSA-2467-p5gv-58q6 mitigation third party advisory
https://github.com/Mailu/Mailu/issues/1354 third party advisory

Frequently Asked Questions

What is the severity of CVE-2020-5239?
CVE-2020-5239 has been scored as a high severity vulnerability.
How to fix CVE-2020-5239?
To fix CVE-2020-5239, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-5239 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-5239 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-5239?
CVE-2020-5239 affects Mailu Mailu.
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