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CVE-2016-2840

6.1 · MEDIUM

An issue was discovered in Open-Xchange Server 6 / OX AppSuite before 7.8.0-rev26.

Published Dec 15, 2016CWE-79EPSS 1.64%

Overview

CVE-2016-2840 is a medium-severity vulnerability. It was published on December 15, 2016 and has a CVSS 3.0 base score of 6.1 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 6.1, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

An issue was discovered in Open-Xchange Server 6 / OX AppSuite before 7.8.0-rev26. The "session" parameter for file-download requests can be used to inject script code that gets reflected through the subsequent status page. Malicious script code can be executed within a trusted domain's context. While no OX App Suite specific data can be manipulated, the vulnerability can be exploited without being authenticated and therefore used for social engineering attacks, stealing cookies or redirecting from trustworthy to malicious hosts.

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/136543/Open-Xchange-7.8.0-Cross-Site-Scripting.htmlRefwww.securityfocus.com/archive/1/537959/100/0/threadedRefwww.securitytracker.com/id/1035469Refpacketstormsecurity.com/files/136543/Open-Xchange-7.8.0-Cross-Site-Scripting.htmlRefwww.securityfocus.com/archive/1/537959/100/0/threadedRefwww.securitytracker.com/id/1035469

How CyberStrike helps

Frequently asked questions

What is CVE-2016-2840?

CVE-2016-2840 is a medium-severity vulnerability. It was published on December 15, 2016 and has a CVSS 3.0 base score of 6.1 (MEDIUM).

How severe is CVE-2016-2840?

This vulnerability has a CVSS 3.0 base score of 6.1, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2016-2840?

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-2016-2840?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2016-2840 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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