Pierluigi Paganini July 16, 2020

Cisco addresses a critical remote code execution (RCE), authentication bypass, and static default credential flaws that could lead to full router takeover.

Cisco has released security updates to address critical remote code execution (RCE), authentication bypass, and static default credential vulnerabilities affecting multiple router and firewall devices. An attacker could exploit the vulnerabilities to completely takeover the network devices.

Cisco also addressed a privilege escalation issue that impacts the Cisco Prime License Manager software.

The five vulnerabilities have been labeled as critical and rated 9.8 out of 10 CVSS base score, below the list of the issues fixed by Cisco.

The Cisco Product Security Incident Response Team (PSIRT) confirmed that it is not aware of any public announcements or malicious use of the above vulnerabilities.

The tech giant confirmed that there are no workarounds that fix these vulnerabilities.

The company acknowledged the external security researchers Larryxi of XDSEC, Gyengtak Kim, Jeongun Baek, and Sanghyuk Lee of GeekPwn, Quentin Kaiser, and Adam Engle of AdventHealth for the flaws.

Cisco released security updates to address other 22 high and medium severity security vulnerabilities impacting several routers, WebEx, Cisco SD-WAN Solution Software versions and other software.

Pierluigi Paganini

(SecurityAffairs – hacking, Cisco)

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