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CVE-2017-16651

7.8 · HIGHActively Exploited

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 th…

Published Nov 9, 2017CWE-552EPSS 45.74%

Overview

CVE-2017-16651 is a high-severity vulnerability. It was published on November 9, 2017 and has a CVSS 3.1 base score of 7.8 (HIGH). This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog, indicating active exploitation in the wild.

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refpacketstormsecurity.com/files/161226/Roundcube-Webmail-1.2-File-Disclosure.htmlRefwww.securityfocus.com/bid/101793GitHubgithub.com/roundcube/roundcubemail/issues/6026GitHubgithub.com/roundcube/roundcubemail/releases/tag/1.1.10GitHubgithub.com/roundcube/roundcubemail/releases/tag/1.2.7GitHubgithub.com/roundcube/roundcubemail/releases/tag/1.3.3Reflists.debian.org/debian-lts-announce/2017/11/msg00039.htmlRefroundcube.net/news/2017/11/08/security-updates-1.3.3-1.2.7-and-1.1.10Refwww.debian.org/security/2017/dsa-4030Refpacketstormsecurity.com/files/161226/Roundcube-Webmail-1.2-File-Disclosure.html

How CyberStrike helps

Frequently asked questions

What is CVE-2017-16651?

CVE-2017-16651 is a high-severity vulnerability. It was published on November 9, 2017 and has a CVSS 3.1 base score of 7.8 (HIGH). This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog, indicating active exploitation in the wild.

How severe is CVE-2017-16651?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2017-16651?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2017-16651?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-16651 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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