Cisco IOS XE Software Virtual Fragmentation Reassembly Denial of Service Vulnerability
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System information
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Affected software |
Cisco |
Description
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A vulnerability in the implementation of the IPv4 Virtual Fragmentation Reassembly (VFR) feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper reassembly of large packets that occurs when VFR is enabled on either a tunnel interface or on a physical interface that is configured with a maximum transmission unit (MTU) greater than 4,615 bytes. An attacker could
More info:
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ipv4-vfr-dos-CXxtFacb?vs_f=Cisco%20Security%20Advisory&vs_cat=Security%20Intelligence&vs_type=RSS&vs_p=Cisco%20IOS%20XE%20Software%20Virtual%20Fragmentation%20Reassembly%20Denial%20of%20Service%20Vulnerability&vs_k=1 |
Standar resources
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Property |
Value |
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CVE |
CVE-2023-20027. |
