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…
- 7.8HighCVSS base score
- 45.7%Exploitation in 30 daysEPSS · top 1.2% of all CVEs
- YesKnown exploitedin CISA's KEV since 3 Nov 2021
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
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.
Exploited in the wild
CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as Roundcube Webmail File Disclosure Vulnerability.
- Added
- 3 Nov 2021
- Fix due (US federal)
- 3 May 2022
- Used by ransomware
- Not known
Apply updates per vendor instructions.
ENISA's EU Vulnerability Database lists it as exploited, from CISA's KEV, since 3 Nov 2021.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list a Metasploit module for it. CISA's SSVC rates its exploitation: it is being exploited.
Show the exploits1
Metasploit modules1 module
- Roundcube TimeZone Authenticated File Disclosure (Metasploit module) (opens in a new tab)
auxiliary/gather/roundcube_auth_file_readRank normaldisclosed 9 Nov 2017
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By mitre
- 2 days later
· 2 days later
Published
- 4 years later
· 4 years later
Added to CISA KEV
Known exploited in the wild
- 4 years later
· 4 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Analyzed | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 45.7% · top 1.2% of all CVEs (10 Nov 2026)
- CISA SSVC
- Exploitation: active · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Affected products
n/a
- affected n/a
References
10
- https://github.com/roundcube/roundcubemail/releases/tag/1.3.3 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://roundcube.net/news/2017/11/08/security-updates-1.3.3-1.2.7-and-1.1.10 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [debian-lts-announce] 20171128 [SECURITY] [DLA 1193-1] roundcube security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://github.com/roundcube/roundcubemail/releases/tag/1.1.10 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 101793 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://github.com/roundcube/roundcubemail/releases/tag/1.2.7 (opens in a new tab)x_refsource_CONFIRMx_transferred
- DSA-4030 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- https://github.com/roundcube/roundcubemail/issues/6026 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://packetstormsecurity.com/files/161226/Roundcube-Webmail-1.2-File-Disclosure.html (opens in a new tab)x_refsource_MISCx_transferred
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-16651 (opens in a new tab)government-resource
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- CISA KEV catalog (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2017-7838 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2017-16651)Record last updated .