Vulnerability identifier: #VU46200
Vulnerability risk: High
Exploitation vector: Network
Exploit availability: No
Vendor: Cisco Systems, Inc
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient queue management for Internet Group Management Protocol (IGMP) packets in the Distance Vector Multicast Routing Protocol (DVMRP) feature of Cisco IOS XR Software. A remote attacker can trigger resource exhaustion by sending crafted IGMP traffic to the affected device and perform a denial of service (DoS) attack.Note: this vulnerability is being actively exploited in the wild.
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
Vulnerable software versions
Cisco IOS XR: 6.6.3
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
Yes. This vulnerability is being exploited in the wild.