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CVE-2017-6774

5.0 · MEDIUM

A vulnerability in Cisco ASR 5000 Series Aggregated Services Routers running the Cisco StarOS operating system could allow an authenticated, remote attacker to overwrite or modify sensitive system…

Published Aug 17, 2017CWE-552EPSS 1.17%

Overview

CVE-2017-6774 is a medium-severity vulnerability. It was published on August 17, 2017 and has a CVSS 3.0 base score of 5.0 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

A vulnerability in Cisco ASR 5000 Series Aggregated Services Routers running the Cisco StarOS operating system could allow an authenticated, remote attacker to overwrite or modify sensitive system files. The vulnerability is due to the inclusion of sensitive system files within specific FTP subdirectories. An attacker could exploit this vulnerability by overwriting sensitive configuration files through FTP. An exploit could allow the attacker to overwrite configuration files on an affected system. Cisco Bug IDs: CSCvd47739. Known Affected Releases: 21.0.v0.65839.

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/100386Refwww.securitytracker.com/id/1039182Reftools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170816-staros2Refwww.securityfocus.com/bid/100386Refwww.securitytracker.com/id/1039182Reftools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170816-staros2

How CyberStrike helps

Frequently asked questions

What is CVE-2017-6774?

CVE-2017-6774 is a medium-severity vulnerability. It was published on August 17, 2017 and has a CVSS 3.0 base score of 5.0 (MEDIUM).

How severe is CVE-2017-6774?

This vulnerability has a CVSS 3.0 base score of 5.0, 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-2017-6774?

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-2017-6774?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-6774 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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