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CVE-2017-12223

6.4 · MEDIUM

A vulnerability in the ROM Monitor (ROMMON) code of Cisco IR800 Integrated Services Router Software could allow an unauthenticated, local attacker to boot an unsigned Hypervisor on an affected devi…

Published Sep 7, 2017CWE-20EPSS 0.42%

Overview

CVE-2017-12223 is a medium-severity vulnerability. It was published on September 7, 2017 and has a CVSS 3.0 base score of 6.4 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 6.4, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

A vulnerability in the ROM Monitor (ROMMON) code of Cisco IR800 Integrated Services Router Software could allow an unauthenticated, local attacker to boot an unsigned Hypervisor on an affected device and compromise the integrity of the system. The vulnerability is due to insufficient sanitization of user input. An attacker who can access an affected router via the console could exploit this vulnerability by entering ROMMON mode and modifying ROMMON variables. A successful exploit could allow the attacker to execute arbitrary code and install a malicious version of Hypervisor firmware on an affected device. Cisco Bug IDs: CSCvb44027.

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/100689Refwww.securitytracker.com/id/1039275Reftools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170906-isrRefwww.securityfocus.com/bid/100689Refwww.securitytracker.com/id/1039275Reftools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170906-isr

How CyberStrike helps

Frequently asked questions

What is CVE-2017-12223?

CVE-2017-12223 is a medium-severity vulnerability. It was published on September 7, 2017 and has a CVSS 3.0 base score of 6.4 (MEDIUM).

How severe is CVE-2017-12223?

This vulnerability has a CVSS 3.0 base score of 6.4, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2017-12223?

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-2017-12223?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-12223 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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