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CVE-2017-3851

7.5 · HIGH

A Directory Traversal vulnerability in the web framework code of the Cisco application-hosting framework (CAF) component of the Cisco IOx application environment could allow an unauthenticated, rem…

Published Mar 22, 2017CWE-22EPSS 5.21%

Overview

CVE-2017-3851 is a high-severity vulnerability. It was published on March 22, 2017 and has a CVSS 3.0 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

A Directory Traversal vulnerability in the web framework code of the Cisco application-hosting framework (CAF) component of the Cisco IOx application environment could allow an unauthenticated, remote attacker to read any file from the CAF in the virtual instance running on the affected device. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by submitting crafted requests to the CAF web interface. The impacts of a successful exploit are limited to the scope of the virtual instance and do not impact the router that is hosting Cisco IOx. Cisco IOx Releases 1.0.0.0 and 1.1.0.0 are vulnerable. Cisco Bug IDs: CSCuy52302.

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

Refwww.securityfocus.com/bid/97013Refwww.securitytracker.com/id/1038106Refwww.securitytracker.com/id/1038107Reftools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170322-caf1Refwww.securityfocus.com/bid/97013Refwww.securitytracker.com/id/1038106Refwww.securitytracker.com/id/1038107Reftools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170322-caf1

How CyberStrike helps

Frequently asked questions

What is CVE-2017-3851?

CVE-2017-3851 is a high-severity vulnerability. It was published on March 22, 2017 and has a CVSS 3.0 base score of 7.5 (HIGH).

How severe is CVE-2017-3851?

This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2017-3851?

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-2017-3851?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-3851 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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