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CVSS: 8.6EPSS: 0%CPEs: 164EXPL: 0

27 Mar 2019 — A vulnerability in the Network-Based Application Recognition (NBAR) feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. This vulnerability is due to a parsing issue on DNS packets. An attacker could exploit these vulnerabilities by sending crafted DNS packets through routers that are running an affected version and have NBAR enabled. A successful exploit could allow the attacker to cause the affected device to reload,... • http://www.securityfocus.com/bid/107597 • CWE-20: Improper Input Validation •

CVSS: 8.6EPSS: 0%CPEs: 615EXPL: 0

27 Mar 2019 — A vulnerability in the processing of IP Service Level Agreement (SLA) packets by Cisco IOS Software and Cisco IOS XE software could allow an unauthenticated, remote attacker to cause an interface wedge and an eventual denial of service (DoS) condition on the affected device. The vulnerability is due to improper socket resources handling in the IP SLA responder application code. An attacker could exploit this vulnerability by sending crafted IP SLA packets to an affected device. An exploit could allow the at... • http://www.securityfocus.com/bid/107604 • CWE-400: Uncontrolled Resource Consumption CWE-770: Allocation of Resources Without Limits or Throttling •

CVSS: 7.2EPSS: 0%CPEs: 2EXPL: 0

05 Oct 2018 — A vulnerability in the embedded test subsystem of Cisco IOS Software for Cisco 800 Series Industrial Integrated Services Routers could allow an authenticated, local attacker to write arbitrary values to arbitrary locations in the memory space of an affected device. The vulnerability is due to the presence of certain test commands that were intended to be available only in internal development builds of the affected software. An attacker could exploit this vulnerability by using these commands on an affected... • https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180926-ir800-memwrite • CWE-123: Write-what-where Condition •

CVSS: 6.5EPSS: 0%CPEs: 1195EXPL: 0

05 Oct 2018 — A vulnerability in the VLAN Trunking Protocol (VTP) subsystem of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to corrupt the internal VTP database on an affected device and cause a denial of service (DoS) condition. The vulnerability is due to a logic error in how the affected software handles a subset of VTP packets. An attacker could exploit this vulnerability by sending VTP packets in a sequence that triggers a timeout in the VTP message processing code o... • http://www.securityfocus.com/bid/105424 • CWE-20: Improper Input Validation •

CVSS: 7.2EPSS: 0%CPEs: 2EXPL: 0

05 Oct 2018 — A vulnerability in the embedded test subsystem of Cisco IOS Software for Cisco 800 Series Industrial Integrated Services Routers could allow an authenticated, local attacker to write arbitrary values to arbitrary locations in the memory space of an affected device. The vulnerability is due to the presence of certain test commands that were intended to be available only in internal development builds of the affected software. An attacker could exploit this vulnerability by using these commands on an affected... • https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180926-ir800-memwrite • CWE-123: Write-what-where Condition •

CVSS: 7.4EPSS: 0%CPEs: 2EXPL: 0

05 Oct 2018 — 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 the software processes high rates of Cisco Discovery Protocol packets that are sent to a device. An attacker could exploit this vulnerability by sending a high ... • http://www.securityfocus.com/bid/105413 • CWE-399: Resource Management Errors CWE-770: Allocation of Resources Without Limits or Throttling •

CVSS: 5.9EPSS: 0%CPEs: 2EXPL: 0

14 Aug 2018 — A vulnerability in the implementation of RSA-encrypted nonces in Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to obtain the encrypted nonces of an Internet Key Exchange Version 1 (IKEv1) session. The vulnerability exists because the affected software responds incorrectly to decryption failures. An attacker could exploit this vulnerability sending crafted ciphertexts to a device configured with IKEv1 that uses RSA-encrypted nonces. A successful exploit could al... • http://www.securityfocus.com/bid/105074 • CWE-326: Inadequate Encryption Strength •

CVSS: 7.1EPSS: 0%CPEs: 306EXPL: 0

28 Mar 2018 — Multiple vulnerabilities in the Login Enhancements (Login Block) feature of Cisco IOS Software could allow an unauthenticated, remote attacker to trigger a reload of an affected system, resulting in a denial of service (DoS) condition. These vulnerabilities affect Cisco devices that are running Cisco IOS Software Release 15.4(2)T, 15.4(3)M, or 15.4(2)CG and later. Cisco Bug IDs: CSCuy32360, CSCuz60599. Múltiples vulnerabilidades en la característica Login Enhancements (Login Block) de Cisco IOS Software per... • http://www.securityfocus.com/bid/103556 • CWE-399: Resource Management Errors •

CVSS: 6.5EPSS: 0%CPEs: 128EXPL: 0

28 Mar 2018 — A vulnerability in the 802.1x multiple-authentication (multi-auth) feature of Cisco IOS Software could allow an unauthenticated, adjacent attacker to bypass the authentication phase on an 802.1x multi-auth port. The vulnerability is due to a logic change error introduced into the code. An attacker could exploit this vulnerability by trying to access an 802.1x multi-auth port after a successful supplicant has authenticated. An exploit could allow the attacker to bypass the 802.1x access controls and obtain a... • http://www.securityfocus.com/bid/103571 • CWE-287: Improper Authentication •

CVSS: 8.6EPSS: 12%CPEs: 24EXPL: 0

28 Mar 2018 — A vulnerability in the Cisco IOS Software and Cisco IOS XE Software function that restores encapsulated option 82 information in DHCP Version 4 (DHCPv4) packets could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a Relay Reply denial of service (DoS) condition. The vulnerability exists because the affected software performs incomplete input validation of encapsulated option 82 information that it receives in DHCPOFFER messages from DHCPv4 servers. An attacker ... • http://www.securityfocus.com/bid/103545 • CWE-20: Improper Input Validation •