CVE-2017-16651Roundcube 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…
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It affects roundcube webmail and 1 other product. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Nov 3, 2021; federal agencies had to remediate by May 3, 2022. Treat that date as your deadline.
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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
- 7.8 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-552
- Known exploited
- Added to CISA KEV Nov 3, 2021; federal remediation due May 3, 2022Apply updates per vendor instructions.
- EPSS (exploitation in the next 30 days)
- 45.74% (percentile 99)
- Assigned by
- mitre
- NVD analysis
- Analyzed
- Record last updated
- Oct 21, 2025
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
roundcube webmail roundcube:webmail | through 1.1.9; 1.2.0; 1.2.1; 1.2.2; 1.2.3; 1.2.4; 1.2.5; 1.2.6; and 3 more ranges | NVD |
debian debian_linux debian:debian_linux | 7.0; 9.0 | NVD |
References
- https://github.com/roundcube/roundcubemail/releases/tag/1.3.3x-refsource-confirm, issue-tracking, release-notes, third-party-advisory
- https://roundcube.net/news/2017/11/08/security-updates-1.3.3-1.2.7-and-1.1.10x-refsource-confirm, issue-tracking, vendor-advisory
- https://lists.debian.org/debian-lts-announce/2017/11/msg00039.htmlmailing-list, x-refsource-mlist, third-party-advisory
- https://github.com/roundcube/roundcubemail/releases/tag/1.1.10x-refsource-confirm, issue-tracking, release-notes, third-party-advisory
- http://www.securityfocus.com/bid/101793vdb-entry, x-refsource-bid, third-party-advisory
- https://github.com/roundcube/roundcubemail/releases/tag/1.2.7x-refsource-confirm, issue-tracking, release-notes, third-party-advisory
- https://www.debian.org/security/2017/dsa-4030vendor-advisory, x-refsource-debian, issue-tracking, third-party-advisory
- https://github.com/roundcube/roundcubemail/issues/6026x-refsource-confirm, issue-tracking, patch, third-party-advisory
- http://packetstormsecurity.com/files/161226/Roundcube-Webmail-1.2-File-Disclosure.htmlx-refsource-misc, exploit, third-party-advisory, vdb-entry
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-16651us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.