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CVE-2015-4315

5.5 · MEDIUM

The Call Policy Configuration page in Cisco TelePresence Video Communication Server (VCS) Expressway X8.5.3 improperly validates external DTDs, which allows remote authenticated users to read arbit…

Published Aug 20, 2015ciscoCWE-20EPSS 1.87%

Overview

CVE-2015-4315 is a medium-severity vulnerability affecting cisco telepresence_video_communication_server_software. It was published on August 20, 2015 and has a CVSS 2.0 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

The Call Policy Configuration page in Cisco TelePresence Video Communication Server (VCS) Expressway X8.5.3 improperly validates external DTDs, which allows remote authenticated users to read arbitrary files or cause a denial of service via a crafted XML document, aka Bug ID CSCuv31853.

Remediation

Check the references section for vendor advisories and patches from cisco. Update telepresence_video_communication_server_software to the latest patched version. 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.

Affected products

VendorProductVersionsStatus

References

Reftools.cisco.com/security/center/viewAlert.x?alertId=40446Refwww.securityfocus.com/bid/76352Refwww.securitytracker.com/id/1033283Reftools.cisco.com/security/center/viewAlert.x?alertId=40446Refwww.securityfocus.com/bid/76352Refwww.securitytracker.com/id/1033283

How CyberStrike helps

Frequently asked questions

What is CVE-2015-4315?

CVE-2015-4315 is a medium-severity vulnerability affecting cisco telepresence_video_communication_server_software. It was published on August 20, 2015 and has a CVSS 2.0 base score of 5.5 (MEDIUM).

How severe is CVE-2015-4315?

This vulnerability has a CVSS 2.0 base score of 5.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2015-4315?

Check the references section for vendor advisories and patches from cisco. Update telepresence_video_communication_server_software to the latest patched version. 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-2015-4315?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2015-4315 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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