Vulnerability · Published Feb 13, 2020 · Assigned by GitHub_M

CVE-2020-5239Unspecified vulnerability in the fetchmail script in Mailu

High 8.7

In plain English

A high-severity incorrect authorization in Mailu from Mailu. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 60% of all known vulnerabilities).

Severity (CVSS 3.1)8.7High

Exploit odds (30 days)0.9%top 40.5% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official 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

Affected products (as reported)

Vendor	Product	Versions
Mailu	Mailu	< 1.7

Weakness: CWE-863 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

References

https://github.com/Mailu/Mailu/security/advisories/GHSA-2467-p5gv-58q6 x_refsource_CONFIRM
https://github.com/Mailu/Mailu/issues/1354 x_refsource_MISC