CVE-2017-16651
KEVHIGH 7.8EPSS 45.7%
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.
- CVSS v3.1 NVD
- 7.8 HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS v2.0 NVD
- 4.6 MEDIUM
AV:L/AC:L/Au:N/C:P/I:P/A:P - EPSS
- 45.74% chance of exploitation in the next 30 days, 99th percentile
- CISA KEV
- added 2021-11-03
- Published
- 2017-11-09
- Updated
- 2025-10-21
Proof-of-concept exploits (2)
- http://packetstormsecurity.com/files/161226/Roundcube-Webmail-1.2-File-Disclosure.html
- ropbear/CVE-2017-166513★ · 2021-01-06
Metasploit modules (1)
Security advisories
- https://roundcube.net/news/2017/11/08/security-updates-1.3.3-1.2.7-and-1.1.10
- http://www.securityfocus.com/bid/101793
- roundcube/roundcubemail/issues/6026
- https://lists.debian.org/debian-lts-announce/2017/11/msg00039.html
- https://www.debian.org/security/2017/dsa-4030