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Home > Cybersecurity > Cisco to warn of several DoS flaws in network security software

Cisco to warn of several DoS flaws in network security software

Cisco has stomped out several higher-severity vulnerabilities throughout its lineup of network-security solutions.

Seda Nur Cinar by Seda Nur Cinar
October 22, 2020
in Cybersecurity
2 min read
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Cisco to warn of several DoS flaws in network security software
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Cisco has stomped out the vulnerabilities that exist in Cisco’s Firepower Threat Defense (FTD) software and traffic-management products, and its Adaptive Security Appliance (ASA) software.

Free software updates to fix the bugs

The flaw (CVE-2020-3456) that ranks 8.8 out of 10 on the CVSS scale, is a vulnerability in the Cisco Firepower Chassis Manager (FCM) of Cisco FXOS Software. This flaw could allow an unauthenticated, remote attacker to conduct a cross-site request forgery (CSRF) attack against a user of an affected device. Cisco’s cybersecurity team has found the vulnerability during internal security testing.

According to Cisco, an attacker could exploit this vulnerability by persuading a targeted user to click a malicious link. The attacker can send arbitrary requests that could take unauthorized actions on behalf of the targeted user. the company has released free software updates that address the vulnerability.

They also discovered a flaw in Firepower’s Management Center Software (CVE-2020-3499), Cisco Firepower 2100 Series firewalls (CVE-2020-3562), Cisco Firepower 4110 appliances (CVE-2020-3571), and Cisco Firepower Threat Defense Software (CVE-2020-3563 and CVE-2020-3563).

Additionally, Cisco also released patches for multiple DoS flaws in its Adaptive Security Appliance software, including ones tied to CVE-2020-3304, CVE-2020-3529, CVE-2020-3528, CVE-2020-3554, CVE-2020-3572and CVE-2020-3373. All of these could allow an unauthenticated, remote attacker to cause an affected device to reload unexpectedly.

Lastly, the company released an advisory for a vulnerability in the Cisco Discovery Protocol implementation for Cisco IOS XR Software. This flaw could allow an unauthenticated, adjacent attacker to execute arbitrary code or cause a reload on an affected device.

See more Cyber Security News


Tags: Cisco Systems
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Seda Nur Cinar

Seda Nur Cinar

Seda Nur Cinar is the news editor of the Cloud7 News. With more than 8 years of Linux and cloud experience, Seda is a Linux and opensource enthusiast, security researcher and a web application developer.

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