Vulnerability Intelligence Report
Roundcube Webmail File Disclosure Vulnerability
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.
CISA KEV
SSVC: Active Exploitation
CVSS Base Score
7.8
HIGH
Exploitability:1.9
Impact Score:5.9
EPSS Probability:42.83%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-552 ↗CWE-552 Files or Directories Accessible to External Parties
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| roundcube | webmail | 1.2.0, 1.2.1, 1.2.2, 1.2.3, 1.2.4, 1.2.5, 1.2.6, 1.3.0, 1.3.1, 1.3.2 |
| debian | debian_linux | 7.0, 9.0 |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | MITRE Corporation · N/A · USA |
| Reserved | 2017-11-07T00:00:00 |
| Published | 2017-11-09T14:00:00 |
| Patch Date | 2017-11-09 |
| Last Updated | 2025-10-21T23:55:30 |
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