CVE-2017-16651

Exploitation

Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2021-11-03. Federal remediation due 2022-05-03.

SSVC decision

• ExploitationactiveCISA reports credible evidence of active exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

45.74% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 98.7% of scored records. A rank, not a probability.

NVD base score

7.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2017-11-09 14:00Z8 YR AGO

Last updated

2025-10-21 23:55Z1 YR AGO

Reserved

2017-11-07

Assigning CNA

mitre

Record state

PUBLISHED

Severity

High (CVSS 7.8)

CNA CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses

• CWE-552Files or Directories Accessible to External PartiesBase

Data version

5.1

Document digest

07f4f047217c02eab5c0b315cbaea49928717069aeda45c23550a328f841cae7

• github.comhttps://github.com/roundcube/roundcubemail/releases/tag/1.3.3x_refsource_CONFIRM
• roundcube.nethttps://roundcube.net/news/2017/11/08/security-updates-1.3.3-1.2.7-and-1.1.10x_refsource_CONFIRM
• lists.debian.org[debian-lts-announce] 20171128 [SECURITY] [DLA 1193-1] roundcube security updatehttps://lists.debian.org/debian-lts-announce/2017/11/msg00039.htmlmailing-listx_refsource_MLIST
• github.comhttps://github.com/roundcube/roundcubemail/releases/tag/1.1.10x_refsource_CONFIRM
• www.securityfocus.com101793http://www.securityfocus.com/bid/101793vdb-entryx_refsource_BID
• github.comhttps://github.com/roundcube/roundcubemail/releases/tag/1.2.7x_refsource_CONFIRM
• www.debian.orgDSA-4030https://www.debian.org/security/2017/dsa-4030vendor-advisoryx_refsource_DEBIAN
• github.comhttps://github.com/roundcube/roundcubemail/issues/6026x_refsource_CONFIRM
• packetstormsecurity.comhttp://packetstormsecurity.com/files/161226/Roundcube-Webmail-1.2-File-Disclosure.htmlx_refsource_MISC
• www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-16651government-resource