Cisco IOS XE vulnerabilities
526 known vulnerabilities affecting cisco/ios_xe.
Total CVEs
526
CISA KEV
27
actively exploited
Public exploits
8
Exploited in wild
33
Severity breakdown
CRITICAL22HIGH339MEDIUM164LOW1
Vulnerabilities
Page 17 of 27
CVE-2010-2831P3HIGHCVSS 7.8v2.5.0v2.5.1+2 more2010-09-23
CVE-2010-2831 [HIGH] CVE-2010-2831: Unspecified vulnerability in the NAT for SIP implementation in Cisco IOS 12.1 through 12.4 and 15.0
Unspecified vulnerability in the NAT for SIP implementation in Cisco IOS 12.1 through 12.4 and 15.0 through 15.1 allows remote attackers to cause a denial of service (device reload) via transit traffic on UDP port 5060, aka Bug ID CSCtf17624.
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CVE-2010-2833P3HIGHCVSS 7.8v2.5.0v2.5.1+2 more2010-09-23
CVE-2010-2833 [HIGH] CVE-2010-2833: Unspecified vulnerability in the NAT for H.225.0 implementation in Cisco IOS 12.1 through 12.4 and 1
Unspecified vulnerability in the NAT for H.225.0 implementation in Cisco IOS 12.1 through 12.4 and 15.0 through 15.1 allows remote attackers to cause a denial of service (device reload) via transit traffic, aka Bug ID CSCtd86472.
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CVE-2010-2832P3HIGHCVSS 7.8v2.5.0v2.5.1+2 more2010-09-23
CVE-2010-2832 [HIGH] CVE-2010-2832: Unspecified vulnerability in the NAT for H.323 implementation in Cisco IOS 12.1 through 12.4 and 15.
Unspecified vulnerability in the NAT for H.323 implementation in Cisco IOS 12.1 through 12.4 and 15.0 through 15.1 allows remote attackers to cause a denial of service (device reload) via transit traffic, aka Bug ID CSCtf91428.
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CVE-2010-2828P3HIGHCVSS 7.8v2.5.0v2.5.1+1 more2010-09-23
CVE-2010-2828 [HIGH] CVE-2010-2828: Unspecified vulnerability in the H.323 implementation in Cisco IOS 12.1 through 12.4 and 15.0 throug
Unspecified vulnerability in the H.323 implementation in Cisco IOS 12.1 through 12.4 and 15.0 through 15.1, and IOS XE 2.5.x before 2.5.2 and 2.6.x before 2.6.1, allows remote attackers to cause a denial of service (device reload) via crafted H.323 packets, aka Bug ID CSCtc73759.
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CVE-2011-3280P3HIGHCVSS 7.5v3.1.0sgv3.1.1sg2011-10-03
CVE-2011-3280 [HIGH] CWE-399 CVE-2011-3280: Memory leak in the NAT implementation in Cisco IOS 12.1 through 12.4 and 15.0 through 15.1, and IOS
Memory leak in the NAT implementation in Cisco IOS 12.1 through 12.4 and 15.0 through 15.1, and IOS XE 3.1.xSG, allows remote attackers to cause a denial of service (memory consumption or device reload) by sending crafted SIP packets to UDP port 5060, aka Bug ID CSCtj04672.
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CVE-2017-3849P3HIGHCVSS 7.4v3.7.0ev3.7.1e+82 more2017-03-21
CVE-2017-3849 [HIGH] CWE-20 CVE-2017-3849: A vulnerability in the Autonomic Networking Infrastructure (ANI) registrar feature of Cisco IOS Soft
A vulnerability in the Autonomic Networking Infrastructure (ANI) registrar feature of Cisco IOS Software (possibly 15.2 through 15.6) and Cisco IOS XE Software (possibly 3.7 through 3.18, and 16) could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition. The vulnerability is due to incomplete input validation on certa
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CVE-2018-15373P3HIGHCVSS 7.4v15.5\(3\)s3.162018-10-05
CVE-2018-15373 [HIGH] CWE-399 CVE-2018-15373: A vulnerability in the implementation of Cisco Discovery Protocol functionality in Cisco IOS Softwar
A vulnerability in the implementation of Cisco Discovery Protocol functionality in Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to exhaust memory on an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to improper memory handling by the affected software when t
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CVE-2017-3824P3MEDIUMCVSS 6.8v3.16.0v3.16.1+1 more2017-02-03
CVE-2017-3824 [MEDIUM] CWE-119 CVE-2017-3824: A vulnerability in the handling of list headers in Cisco cBR Series Converged Broadband Routers coul
A vulnerability in the handling of list headers in Cisco cBR Series Converged Broadband Routers could allow an unauthenticated, remote attacker to cause the device to reload, resulting in a denial of service (DoS) condition. Cisco cBR-8 Converged Broadband Routers running vulnerable versions of Cisco IOS XE are affected. More Information: CSCux40637.
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CVE-2017-3820P3MEDIUMCVSS 6.5v3.13.6sv3.16.2s+1 more2017-02-03
CVE-2017-3820 [MEDIUM] CWE-665 CVE-2017-3820: A vulnerability in Simple Network Management Protocol (SNMP) functions of Cisco ASR 1000 Series Aggr
A vulnerability in Simple Network Management Protocol (SNMP) functions of Cisco ASR 1000 Series Aggregation Services Routers running Cisco IOS XE Software Release 3.13.6S, 3.16.2S, or 3.17.1S could allow an authenticated, remote attacker to cause high CPU usage on an affected device, resulting in a denial of service (DoS) condition. More Information:
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CVE-2020-3409P3HIGHCVSS 7.4v15.2\(7\)ev16.11.1a2020-09-24
CVE-2020-3409 [HIGH] CWE-20 CVE-2020-3409: A vulnerability in the PROFINET feature of Cisco IOS Software and Cisco IOS XE Software could allow
A vulnerability in the PROFINET feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause an affected device to crash and reload, resulting in a denial of service (DoS) condition on the device. The vulnerability is due to insufficient processing logic for crafted PROFINET packets that are sent to an
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CVE-2020-3497P3HIGHCVSS 7.4v16.12.12020-09-24
CVE-2020-3497 [HIGH] CWE-20 CVE-2020-3497: Multiple vulnerabilities in the Control and Provisioning of Wireless Access Points (CAPWAP) protocol
Multiple vulnerabilities in the Control and Provisioning of Wireless Access Points (CAPWAP) protocol processing of Cisco IOS XE Software for Cisco Catalyst 9800 Series Wireless Controllers could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition of an affected device. These vulnerabilities are due to insufficient val
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CVE-2020-3493P3HIGHCVSS 7.4v16.12.12020-09-24
CVE-2020-3493 [HIGH] CWE-20 CVE-2020-3493: Multiple vulnerabilities in the Control and Provisioning of Wireless Access Points (CAPWAP) protocol
Multiple vulnerabilities in the Control and Provisioning of Wireless Access Points (CAPWAP) protocol processing of Cisco IOS XE Software for Cisco Catalyst 9800 Series Wireless Controllers could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition of an affected device. These vulnerabilities are due to insufficient val
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CVE-2020-3489P3HIGHCVSS 7.4v16.12.12020-09-24
CVE-2020-3489 [HIGH] CWE-20 CVE-2020-3489: Multiple vulnerabilities in the Control and Provisioning of Wireless Access Points (CAPWAP) protocol
Multiple vulnerabilities in the Control and Provisioning of Wireless Access Points (CAPWAP) protocol processing of Cisco IOS XE Software for Cisco Catalyst 9800 Series Wireless Controllers could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition of an affected device. These vulnerabilities are due to insufficient val
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CVE-2020-3488P3HIGHCVSS 7.4v16.12.12020-09-24
CVE-2020-3488 [HIGH] CWE-20 CVE-2020-3488: Multiple vulnerabilities in the Control and Provisioning of Wireless Access Points (CAPWAP) protocol
Multiple vulnerabilities in the Control and Provisioning of Wireless Access Points (CAPWAP) protocol processing of Cisco IOS XE Software for Cisco Catalyst 9800 Series Wireless Controllers could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition of an affected device. These vulnerabilities are due to insufficient val
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CVE-2024-20303P3HIGHCVSS 7.4v17.2.1v17.2.1a+66 more2024-03-27
CVE-2024-20303 [HIGH] CWE-459 CVE-2024-20303: A vulnerability in the multicast DNS (mDNS) gateway feature of Cisco IOS XE Software for Wireless LA
A vulnerability in the multicast DNS (mDNS) gateway feature of Cisco IOS XE Software for Wireless LAN Controllers (WLCs) could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition.
This vulnerability is due to improper management of mDNS client entries. An attacker could exploit this vulnerability by connecting to t
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CVE-2024-20354P3HIGHCVSS 7.4≥ 16.12.4a, < 17.1.0≥ 17.3.0, < 17.3.9+3 more2024-03-27
CVE-2024-20354 [HIGH] CWE-460 CVE-2024-20354: A vulnerability in the handling of encrypted wireless frames of Cisco Aironet Access Point (AP) Soft
A vulnerability in the handling of encrypted wireless frames of Cisco Aironet Access Point (AP) Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on the affected device.
This vulnerability is due to incomplete cleanup of resources when dropping certain malformed frames. An attacker could exploit th
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CVE-2024-20313P3HIGHCVSS 7.4v17.5.1v17.5.1a+36 more2024-04-24
CVE-2024-20313 [HIGH] CWE-120 CVE-2024-20313: A vulnerability in the OSPF version 2 (OSPFv2) feature of Cisco IOS XE Software could allow an unaut
A vulnerability in the OSPF version 2 (OSPFv2) feature of Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause an affected device to reload unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to improper validation of OSPF updates that are processed by a device. An attacker could exploi
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CVE-2025-20140P3HIGHCVSS 7.4v16.4.1v16.4.2+192 more2025-05-07
CVE-2025-20140 [HIGH] CWE-789 CVE-2025-20140: A vulnerability in the Wireless Network Control daemon (wncd) of Cisco IOS XE Software for Wireless
A vulnerability in the Wireless Network Control daemon (wncd) of Cisco IOS XE Software for Wireless LAN Controllers (WLCs) could allow an unauthenticated, adjacent wireless attacker to cause a denial of service (DoS) condition.
This vulnerability is due to improper memory management. An attacker could exploit this vulnerability by sending a series of I
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CVE-2022-20694P3MEDIUMCVSS 6.8v3.7.0bsv3.7.0s+232 more2022-04-15
CVE-2022-20694 [MEDIUM] CWE-617 CVE-2022-20694: A vulnerability in the implementation of the Resource Public Key Infrastructure (RPKI) feature of Ci
A vulnerability in the implementation of the Resource Public Key Infrastructure (RPKI) feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause the Border Gateway Protocol (BGP) process to crash, resulting in a denial of service (DoS) condition. This vulnerability is due to the incorrect handling of a specific RPKI t
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CVE-2019-1759P3MEDIUMCVSS 5.3v3.2.0jav16.2.1+43 more2019-03-28
CVE-2019-1759 [MEDIUM] CWE-284 CVE-2019-1759: A vulnerability in access control list (ACL) functionality of the Gigabit Ethernet Management interf
A vulnerability in access control list (ACL) functionality of the Gigabit Ethernet Management interface of Cisco IOS XE Software could allow an unauthenticated, remote attacker to reach the configured IP addresses on the Gigabit Ethernet Management interface. The vulnerability is due to a logic error that was introduced in the Cisco IOS XE Software 16
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