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cisco ios xr vulnerabilities and exploits
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NA
CVE-2023-20190
A vulnerability in the classic access control list (ACL) compression feature of Cisco IOS XR Software could allow an unauthenticated, remote malicious user to bypass the protection that is offered by a configured ACL on an affected device. This vulnerability is due to incorrect d...
Cisco Ios Xr
Cisco Ios Xr 7.9
NA
CVE-2023-20191
A vulnerability in the access control list (ACL) processing on MPLS interfaces in the ingress direction of Cisco IOS XR Software could allow an unauthenticated, remote malicious user to bypass a configured ACL. This vulnerability is due to incomplete support for this feature. An ...
Cisco Ios Xr 7.10
Cisco Ios Xr
NA
CVE-2023-20233
A vulnerability in the Connectivity Fault Management (CFM) feature of Cisco IOS XR Software could allow an unauthenticated, remote malicious user to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to incorrect processing of invalid conti...
Cisco Ios Xr 7.9.0
Cisco Ios Xr
NA
CVE-2023-20236
A vulnerability in the iPXE boot function of Cisco IOS XR software could allow an authenticated, local malicious user to install an unverified software image on an affected device. This vulnerability is due to insufficient image verification. An attacker could exploit this vulner...
Cisco Ios Xr
NA
CVE-2023-20049
A vulnerability in the bidirectional forwarding detection (BFD) hardware offload feature of Cisco IOS XR Software for Cisco ASR 9000 Series Aggregation Services Routers, ASR 9902 Compact High-Performance Routers, and ASR 9903 Compact High-Performance Routers could allow an unauth...
Cisco Ios Xr
Cisco Ios Xr 7.7
NA
CVE-2023-20064
A vulnerability in the GRand Unified Bootloader (GRUB) for Cisco IOS XR Software could allow an unauthenticated attacker with physical access to the device to view sensitive files on the console using the GRUB bootloader command line. This vulnerability is due to the inclusion of...
Cisco Ios Xr
NA
CVE-2021-27854
Layer 2 network filtering capabilities such as IPv6 RA guard can be bypassed using combinations of VLAN 0 headers, LLC/SNAP headers, and converting frames from Ethernet to Wifi and its reverse.