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cisco ios xe vulnerabilities and exploits
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3.3
CVSSv2
CVE-2021-1621
A vulnerability in the Layer 2 punt code of Cisco IOS XE Software could allow an unauthenticated, adjacent malicious user to cause a queue wedge on an interface that receives specific Layer 2 frames, resulting in a denial of service (DoS) condition. This vulnerability is due to i...
Cisco Ios Xe
4.3
CVSSv2
CVE-2021-1622
A vulnerability in the Common Open Policy Service (COPS) of Cisco IOS XE Software for Cisco cBR-8 Converged Broadband Routers could allow an unauthenticated, remote malicious user to cause resource exhaustion, resulting in a denial of service (DoS) condition. This vulnerability i...
Cisco Ios Xe
Cisco Ios Xe 17.3.1x
5
CVSSv2
CVE-2021-1624
A vulnerability in the Rate Limiting Network Address Translation (NAT) feature of Cisco IOS XE Software could allow an unauthenticated, remote malicious user to cause high CPU utilization in the Cisco QuantumFlow Processor of an affected device, resulting in a denial of service (...
Cisco Ios Xe
4.3
CVSSv2
CVE-2021-1625
A vulnerability in the Zone-Based Policy Firewall feature of Cisco IOS XE Software could allow an unauthenticated, remote malicious user to prevent the Zone-Based Policy Firewall from correctly classifying traffic. This vulnerability exists because ICMP and UDP responder-to-initi...
Cisco Ios Xe
5
CVSSv2
CVE-2021-34697
A vulnerability in the Protection Against Distributed Denial of Service Attacks feature of Cisco IOS XE Software could allow an unauthenticated, remote malicious user to conduct denial of service (DoS) attacks to or through the affected device. This vulnerability is due to incorr...
Cisco Ios Xe
6.8
CVSSv2
CVE-2021-34703
A vulnerability in the Link Layer Discovery Protocol (LLDP) message parser of Cisco IOS Software and Cisco IOS XE Software could allow an malicious user to trigger a reload of an affected device, resulting in a denial of service (DoS) condition. This vulnerability is due to impro...
Cisco Ios
Cisco Ios Xe
4.3
CVSSv2
CVE-2021-34705
A vulnerability in the Voice Telephony Service Provider (VTSP) service of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote malicious user to bypass configured destination patterns and dial arbitrary numbers. This vulnerability is due to insuffic...
Cisco Ios 12.4\\(11\\)xw6
Cisco Ios 12.4\\(2\\)t2
Cisco Ios 15.4\\(2\\)s2
Cisco Ios 15.3\\(3\\)jnb3
Cisco Ios Xe 3.13.2s
Cisco Ios 12.3\\(14\\)ym4
Cisco Ios 12.3\\(8\\)jea1
Cisco Ios 12.4\\(16\\)mr1
Cisco Ios 12.3\\(10\\)
Cisco Ios 12.4\\(23c\\)jy
Cisco Ios 12.4\\(7c\\)
Cisco Ios 12.4\\(2\\)xa1
Cisco Ios 12.4\\(20\\)mrb
Cisco Ios 15.1\\(3\\)s4
Cisco Ios 15.3\\(2\\)s1
Cisco Ios Xe 3.10.6s
Cisco Ios 12.3\\(14\\)t5
Cisco Ios 12.4\\(2\\)t4
Cisco Ios 15.1\\(1\\)s
Cisco Ios Xe 3.13.6s
Cisco Ios 12.4\\(15\\)xq2b
Cisco Ios 12.4\\(22\\)mda6
5.7
CVSSv2
CVE-2021-34714
A vulnerability in the Unidirectional Link Detection (UDLD) feature of Cisco FXOS Software, Cisco IOS Software, Cisco IOS XE Software, Cisco IOS XR Software, and Cisco NX-OS Software could allow an unauthenticated, adjacent malicious user to cause an affected device to reload. Th...
Cisco Fxos
Cisco Firepower Extensible Operating System
Cisco Ios
Cisco Ios Xe
Cisco Ios Xr
Cisco Nx-os
6.6
CVSSv2
CVE-2021-34724
A vulnerability in the Cisco IOS XE SD-WAN Software CLI could allow an authenticated, local malicious user to elevate privileges and execute arbitrary code on the underlying operating system as the root user. An attacker must be authenticated on an affected device as a PRIV15 use...
Cisco Ios Xe Sd-wan
7.2
CVSSv2
CVE-2021-34725
A vulnerability in the CLI of Cisco IOS XE SD-WAN Software could allow an authenticated, local malicious user to inject arbitrary commands to be executed with root-level privileges on the underlying operating system. This vulnerability is due to insufficient input validation on c...
Cisco Ios Xe Sd-wan
CVSSv2
CVSSv2
CVSSv3
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