A vulnerability in the IPSec decryption routine of Cisco IOS XE Software could allow an unauthenticated, remote malicious user to cause an affected device to reload, resulting in a denial of service (DoS) condition. This vulnerability is due to buffer exhaustion that occurs while traffic on a configured IPsec tunnel is being processed. An attacker could exploit this vulnerability by sending traffic to an affected device that has a maximum transmission unit (MTU) of 1800 bytes or greater. A successful exploit could allow the malicious user to cause the device to reload. To exploit this vulnerability, the attacker may need access to the trusted network where the affected device is in order to send specific packets to be processed by the device. All network devices between the attacker and the affected device must support an MTU of 1800 bytes or greater. This access requirement could limit the possibility of a successful exploit.
| Vulnerable Product | Search on Vulmon | Subscribe to Product |
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cisco ios xe 16.8.1 |
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cisco ios xe 16.9.1 |
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cisco ios xe 16.8.1a |
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cisco ios xe 16.8.1s |
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cisco ios xe 16.8.1b |
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cisco ios xe 16.8.2 |
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cisco ios xe 16.8.1d |
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cisco ios xe 16.8.1c |
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cisco ios xe 16.8.1e |
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cisco ios xe 16.9.1s |
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cisco ios xe 16.9.1c |
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cisco ios xe 16.9.1b |
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cisco ios xe 16.9.1d |
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cisco ios xe 16.10.1 |
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cisco ios xe 16.9.1a |
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cisco ios xe 16.9.2a |
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cisco ios xe 16.9.2 |
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cisco ios xe 16.12.1 |
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cisco ios xe 16.11.1 |
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cisco ios xe 17.1.1 |
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cisco ios xe 16.11.1a |
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cisco ios xe 16.12.1c |
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cisco ios xe 16.12.1t |
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cisco ios xe 16.11.2 |
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cisco ios xe 16.12.1s |
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cisco ios xe 16.12.1a |
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cisco ios xe 16.12.1x |
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cisco ios xe 16.11.1c |
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cisco ios xe 16.11.1b |
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cisco ios xe 16.11.1s |
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cisco ios xe 16.12.1w |
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cisco ios xe 16.10.1s |
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cisco ios xe 16.10.1d |
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cisco ios xe 16.9.2s |
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cisco ios xe 16.9.3h |
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cisco ios xe 16.9.3a |
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cisco ios xe 16.10.1a |
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cisco ios xe 16.10.1f |
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cisco ios xe 16.10.1g |
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cisco ios xe 16.10.2 |
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cisco ios xe 16.9.3 |
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cisco ios xe 16.12.1y |
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cisco ios xe 16.10.1e |
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cisco ios xe 16.10.1b |
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cisco ios xe 16.8.3 |
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cisco ios xe 16.9.3s |
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cisco ios xe 16.10.1c |
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cisco ios xe 16.9.4 |
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cisco ios xe 16.12.2 |
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cisco ios xe 16.9.4c |
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cisco ios xe 16.12.2a |
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cisco ios xe 16.10.3 |
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cisco ios xe 16.12.4 |
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cisco ios xe 16.9.5 |
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cisco ios xe 16.9.5f |
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cisco ios xe 16.12.3 |
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cisco ios xe 17.2.1 |
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cisco ios xe 17.4.1 |
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cisco ios xe 17.1.1s |
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cisco ios xe 16.12.2t |
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cisco ios xe 17.1.1a |
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cisco ios xe 16.12.2s |
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cisco ios xe 16.12.3a |
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cisco ios xe 17.1.1t |
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cisco ios xe 17.2.1a |
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cisco ios xe 3.15.2xbs |
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cisco ios xe 17.2.1v |
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cisco ios xe 16.12.1z |
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cisco ios xe 16.12.3s |
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cisco ios xe 3.15.1xbs |
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cisco ios xe 17.2.1r |
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cisco ios xe 17.1.2 |
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cisco ios xe 16.12.4a |
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cisco ios xe 17.1.3 |
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cisco ios xe 17.2.2 |
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cisco ios xe 17.3.1 |
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cisco ios xe 17.4.1a |
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cisco ios xe 17.3.2 |
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cisco ios xe 17.4.1b |
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cisco ios xe 17.3.1a |
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cisco ios xe 17.3.2a |
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cisco ios xe 17.3.1w |
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cisco ios xe 17.2.3 |
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cisco ios xe 16.9.6 |
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cisco ios xe 17.3.1x |
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cisco ios xe 16.12.5 |
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cisco ios xe 16.12.5b |
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cisco ios xe 16.12.1z1 |
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cisco ios xe 16.12.5a |
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cisco ios xe 17.5.1 |
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cisco ios xe 16.12.1z2 |
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cisco ios xe 17.3.1z |
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cisco ios xe 17.3.3 |
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cisco ios xe 17.3.3a |
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cisco ios xe 17.4.1c |
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cisco ios xe 16.9.7 |
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cisco ios xe 17.5.1a |
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cisco ios xe 17.6.1 |
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cisco ios xe 17.3.4a |
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cisco ios xe 17.4.2 |
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cisco ios xe 17.3.4b |
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cisco ios xe 17.6.1a |
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cisco ios xe 17.3.4c |
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cisco ios xe 17.4.2a |
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cisco ios xe 16.9.8 |
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cisco ios xe 17.3.4 |
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cisco ios xe 17.6.1w |
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cisco ios xe 16.12.6a |
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cisco ios xe 16.12.6 |
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