A vulnerability in the Zone-Based Firewall code of Cisco IOS XE Software could allow an unauthenticated, remote malicious user to cause a device to reload. The vulnerability is due to the way fragmented packets are handled in the firewall code. An attacker could exploit this vulnerability by sending fragmented IP Version 4 or IP Version 6 packets through an affected device. An exploit could allow the malicious user to cause the device to crash, resulting in a denial of service (DoS) condition. The following releases of Cisco IOS XE Software are vulnerable: Everest-16.4.1, Everest-16.4.2, Everest-16.5.1, Everest-16.5.1b, Everest-16.6.1, Everest-16.6.1a. Cisco Bug IDs: CSCvf60296.
| Vulnerable Product | Search on Vulmon | Subscribe to Product |
|---|---|---|
cisco ios xe 16.4.1 |
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cisco ios xe 16.4.2 |
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cisco ios xe 16.5.1 |
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cisco ios xe 16.5.1b |
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cisco ios xe 16.6.1 |
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cisco ios xe 16.6.1a |
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