Is It On KEV?

Roundcube Roundcube Webmail

YES - ON THE CISA KEV LIST
CVE-2017-16651

Roundcube Webmail File Disclosure Vulnerability

CISA catalog due date2022-05-03
overdue since 2022-05-03
EPSS exploit probability (next 30 days)45.7% · 99percentile
From CVE publication to KEV listing1455 days (2017-11-09 → 2021-11-03)
Remediation window (KEV listing to due date)181 days
Days on the KEV list1834 days
Date added to KEV2021-11-03
Known ransomware campaign useUnknown
VendorRoundcube
ProductRoundcube Webmail
Weaknesses (CWE)CWE-552

Roundcube: 11 entries (0.6% of all KEV entries are from this vendor); 2 added in 2026.

BOD 26-04 note: this is the date printed in the CISA catalog. A federal agency's actual deadline is set by its SSVC tier - Act (3 days), Attend (14 days), Track (60 days), or the next scheduled upgrade - counted from the KEV listing date or the date the vulnerability is identified in its environment, whichever comes first. Use the tier helper on each CVE page for your own window.

Your BOD 26-04 window (SSVC tier helper)

Your remediation window ends:

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 (CISA)

Apply updates per vendor instructions.

Notes

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

References

Other KEV entries for this vendor: Roundcube

Roundcube - Vendors with KEV entries

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