CVE Watch—

CVE-2017-16651

Roundcube Webmail File Disclosure Vulnerability

CVSS

—

No CVSS

EPSS

45.7%

p99

KEV

YES

Nov 3, 2021

Exploit Today

0-100

Published: — · Last modified: —

EPSS · 30d

36.7%EPSS · 30 days45.7%

2026-09-162026-10-14

KEV catalog record

Product

Roundcube / Roundcube Webmail

Vulnerability

Roundcube Webmail File Disclosure Vulnerability

Added to KEV

Nov 3, 2021

Remediate by

May 3, 2022

Known ransomware use

Summary description

Roundcube Webmail contains a file disclosure vulnerability caused by insufficient input validation in conjunction with file-based attachment plugins, which are used by default.

Required action

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2017-16651

Related CVEs

CVECVSSEPSSKEVRExploitTitleMod.

CVE-2020-12641—

99.7%

KEV—80Roundcube Webmail Remote Code Execution Vulnerability—CVE-2021-44026—

99.4%

KEV—80Roundcube Webmail SQL Injection Vulnerability—CVE-2020-35730—

98.3%

KEV—80Roundcube Webmail Cross-Site Scripting (XSS) Vulnerability—