# 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.

- Page: https://www.vulneraibility.com/cve/CVE-2017-16651
- CVSS: 7.8
- Known exploited: yes, in CISA KEV since 2021-11-03; CISA due date 2022-05-03
- EPSS: 45.74% (percentile 98.8)
- Unvetted proof-of-concept code on GitHub: 1 Metasploit module · 1 GitHub proof of concept (first 2021-01-06)
- CISA SSVC: exploitation active, automatable no, technical impact total (assessed 2025-02-04)
- Weakness: CWE-552
- Published: 2017-11-09

## Affected

- roundcube:webmail
- debian:debian_linux

## References

- [other] https://github.com/roundcube/roundcubemail/releases/tag/1.3.3
- [other] https://roundcube.net/news/2017/11/08/security-updates-1.3.3-1.2.7-and-1.1.10
- [other] https://lists.debian.org/debian-lts-announce/2017/11/msg00039.html
- [other] https://github.com/roundcube/roundcubemail/releases/tag/1.1.10
- [other] http://www.securityfocus.com/bid/101793
- [other] https://github.com/roundcube/roundcubemail/releases/tag/1.2.7
- [advisory] https://www.debian.org/security/2017/dsa-4030
- [other] https://github.com/roundcube/roundcubemail/issues/6026
- [other] http://packetstormsecurity.com/files/161226/Roundcube-Webmail-1.2-File-Disclosure.html
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-16651

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.