CVE-2019-25018: Mit KRB5-Appl

High severity, CVSS 7.5. EPSS: 1.5% chance of exploitation in the next 30 days.

In the rcp client in MIT krb5-appl through 1.0.3, malicious servers could bypass intended access restrictions via the filename of . or an empty filename, similar to CVE-2018-20685 and CVE-2019-7282. The impact is modifying the permissions of the target directory on the client side. NOTE: MIT krb5-appl is not supported upstream but is shipped by a few Linux distributions. The affected code was removed from the supported MIT Kerberos 5 (aka krb5) product many years ago, at version 1.8.

Affected products

• Mit KRB5-Appl: up to and including 1.0.3

Published 2021-02-02. Last modified 2026-06-17.