CVE-2017-16651
CWE-552
91.2
RPSRPS range: 0–105; KEV-listed vulnerabilities can receive an exploitation amplifier.
Description
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.
Source: NVD
Signals
- CVSS
- 7.8
- High · v3.1
- EPSS
- 45.74%
- Probability of exploitation in the next 30 days (FIRST)
- CISA KEV
- In CISA KEV since Nov 2021
- Fix commit
- Fix commit known
- Sources: MoreFixes, FreshFixes
- Weakness
- CWE-552
- Published
- 9 Nov 2017
- Last modified 21 Apr 2026
How to read these signals: RPS · EPSS · CISA KEV · Data sources
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Data as of 7 Oct 2026, 05:16 UK time