How severe is CVE-2019-6111?

This vulnerability has a severity rating of MEDIUM with a CVSS score of 5.9 out of 10.

What type of vulnerability is CVE-2019-6111?

This is classified as CWE-22, which is a common weakness in software security.

CVE-2019-6111 - MEDIUM Severity | CVSS 5.9

Vulnerability Description

An issue was discovered in OpenSSH 7.9. Due to the scp implementation being derived from 1983 rcp, the server chooses which files/directories are sent to the client. However, the scp client only performs cursory validation of the object name returned (only directory traversal attacks are prevented). A malicious scp server (or Man-in-The-Middle attacker) can overwrite arbitrary files in the scp client target directory. If recursive operation (-r) is performed, the server can manipulate subdirectories as well (for example, to overwrite the .ssh/authorized_keys file).

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