CVE-2017-16651

Roundcube Webmail before 1.1.10, 1.2.x before 1.2.7, and 1.3.x before 1.3.3 allows unauthorized access to arbitrary files on the host's filesystem, including configuration files, as exploited in the wild in November 2017. The attacker must be able to authenticate at the target system with a valid username/password as the attack requires an active session. The issue is related to file-based attachment plugins and _task=settings&_action=upload-display&_from=timezone requests.

Score
CVSS 3.1 7.8 High
Status
Analyzed - cve@mitre.org
Published
2017-11-09
Last modified
2025-10-21
Known exploited (CISA KEV)
since 2021-11-03, action due 2022-05-03: Apply updates per vendor instructions.
Weaknesses
CWE-552

Affected products

References