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ios xr vulnerabilities and exploits
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7.8
CVSSv3
CVE-2021-34728
Multiple vulnerabilities in the CLI of Cisco IOS XR Software could allow an authenticated, local attacker with a low-privileged account to elevate privileges on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.
Cisco Ios Xr
7.5
CVSSv3
CVE-2021-34737
A vulnerability in the DHCP version 4 (DHCPv4) server feature of Cisco IOS XR Software could allow an unauthenticated, remote malicious user to trigger a crash of the dhcpd process, resulting in a denial of service (DoS) condition. This vulnerability exists because certain DHCPv4...
Cisco Ios Xr
6.7
CVSSv3
CVE-2021-34708
Multiple vulnerabilities in image verification checks of Cisco Network Convergence System (NCS) 540 Series Routers, only when running Cisco IOS XR NCS540L software images, and Cisco IOS XR Software for Cisco 8000 Series Routers could allow an authenticated, local malicious user t...
Cisco Ios Xr
6.4
CVSSv3
CVE-2021-34709
Multiple vulnerabilities in image verification checks of Cisco Network Convergence System (NCS) 540 Series Routers, only when running Cisco IOS XR NCS540L software images, and Cisco IOS XR Software for Cisco 8000 Series Routers could allow an authenticated, local malicious user t...
Cisco Ios Xr
7.4
CVSSv3
CVE-2021-34713
A vulnerability in the Layer 2 punt code of Cisco IOS XR Software running on Cisco ASR 9000 Series Aggregation Services Routers could allow an unauthenticated, adjacent malicious user to cause the affected line card to reboot. This vulnerability is due to incorrect handling of sp...
Cisco Ios Xr
8.6
CVSSv3
CVE-2021-34720
A vulnerability in the IP Service Level Agreements (IP SLA) responder and Two-Way Active Measurement Protocol (TWAMP) features of Cisco IOS XR Software could allow an unauthenticated, remote malicious user to cause device packet memory to become exhausted or cause the IP SLA proc...
Cisco Ios Xr
8.1
CVSSv3
CVE-2021-34718
A vulnerability in the SSH Server process of Cisco IOS XR Software could allow an authenticated, remote malicious user to overwrite and read arbitrary files on the local device. This vulnerability is due to insufficient input validation of arguments that are supplied by the user ...
Cisco Ios Xr
7.8
CVSSv3
CVE-2021-34719
Multiple vulnerabilities in the CLI of Cisco IOS XR Software could allow an authenticated, local attacker with a low-privileged account to elevate privileges on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.
Cisco Ios Xr
6.7
CVSSv3
CVE-2021-34722
Multiple vulnerabilities in the CLI of Cisco IOS XR Software could allow an authenticated, local malicious user to gain access to the underlying root shell of an affected device and execute arbitrary commands with root privileges. For more information about these vulnerabilities,...
Cisco Ios Xr
5.5
CVSSv3
CVE-2021-34771
A vulnerability in the Cisco IOS XR Software CLI could allow an authenticated, local malicious user to view more information than their privileges allow. This vulnerability is due to insufficient application of restrictions during the execution of a specific command. An attacker ...
Cisco Ios Xr
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
NULL pointer dereference
CVE-2023-52689
CVE-2024-23803
client side
CVE-2023-52696
information disclosure
CVE-2024-35843
CVE-2024-27130
CVE-2023-52697
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