NVD disclosure day

Published threat advisories for March 28, 2018

CVE advisoryKnown Exploit

CVE-2018-0180

Cisco IOS Software Login Vulnerability Leading to Denial of Service.

Halo Surface Signal: 4 out of 5 — likely to be public-facing.

Multiple vulnerabilities in Cisco IOS Software's Login Enhancements feature could allow an unauthenticated remote attacker to cause a system reload, leading to a denial-of-service. This impacts organizations by disrupting network services and system availability. The risk is associated with devices positioned at the in

• CISA KEV

CVE advisoryKnown Exploit

CVE-2018-0179

Cisco IOS Login Feature Denial-of-Service Vulnerability

Halo Surface Signal: 4 out of 5 — likely to be public-facing.

Vulnerabilities in Cisco IOS Software's Login Enhancements feature allow remote attackers to cause system reloads, leading to denial-of-service. This impacts network availability for organizations utilizing affected Cisco devices, potentially disrupting services. The risk involves unauthenticated remote access causing

• CISA KEV

CVE advisoryKnown Exploit

CVE-2018-0175

Cisco IOS LLDP Vulnerability Allows Code Execution

Halo Surface Signal: 1 out of 5 — much less likely to be public-facing.

A format string vulnerability in Cisco's Link Layer Discovery Protocol (LLDP) subsystem can allow an adjacent attacker to cause a denial of service or execute arbitrary code. This impacts organizations using Cisco IOS, IOS XE, and IOS XR software, posing a business risk through potential service disruption and unauthor

• CISA KEV

CVE advisoryKnown Exploit

CVE-2018-0174

Cisco IOS DHCP Relay Denial of Service Vulnerability.

Halo Surface Signal: 2 out of 5 — less likely to be public-facing.

A vulnerability in Cisco IOS and IOS XE Software allows an unauthenticated remote attacker to cause a denial-of-service by reloading devices. This impacts network availability by exploiting incomplete input validation in DHCP relay functionality. The business risk involves potential disruption of network services.

• CISA KEV

CVE advisoryKnown Exploit

CVE-2018-0172

Cisco IOS/IOS XE Software DHCP Vulnerability Leads to Denial of Service.

Halo Surface Signal: 2 out of 5 — less likely to be public-facing.

Certain Cisco network devices are vulnerable to a flaw that can cause service disruption. An attacker could exploit this by sending a crafted DHCP packet, leading to a denial-of-service condition. This impacts network operations and requires applying vendor fixes.

• CISA KEV

CVE advisoryKnown Exploit

CVE-2018-0171

Cisco IOS Software Network Device Vulnerability Affecting Device Operation and Code Execution.

Halo Surface Signal: 4 out of 5 — likely to be public-facing.

A vulnerability in Cisco IOS and IOS XE Software allows unauthenticated attackers to cause device reloads or execute arbitrary code by sending crafted messages. This impacts network device operation, potentially disrupting services and compromising data integrity. The realistic business risk includes service interrupti

• CISA KEV

CVE advisoryKnown Exploit

CVE-2018-0167

Cisco IOS Software LLDP Vulnerability Enables Code Execution

Halo Surface Signal: 1 out of 5 — much less likely to be public-facing.

Buffer overflow vulnerabilities in Cisco's Link Layer Discovery Protocol (LLDP) subsystem could allow an adjacent attacker to cause a denial of service or execute arbitrary code. This impacts the integrity and availability of affected network devices. The business risk includes operational disruption and potential syst

• CISA KEV

CVE advisoryKnown Exploit

CVE-2018-0161

Cisco IOS SNMP Denial of Service Vulnerability.

Halo Surface Signal: 2 out of 5 — less likely to be public-facing.

Certain Cisco IOS Software versions on specific Catalyst switches are vulnerable in the SNMP subsystem, allowing authenticated attackers to cause a denial of service. This may lead to device restarts and impact network service availability for affected organizations.

• CISA KEV

CVE advisoryKnown Exploit

CVE-2018-0159

Cisco IOS Denial-of-Service Vulnerability.

Halo Surface Signal: 5 out of 5 — more likely to be public-facing.

A vulnerability in Cisco IOS and IOS XE Software's IKEv1 functionality could allow an unauthenticated attacker to cause a denial of service by reloading devices. This impacts network availability for organizations using these products, particularly those with internet-facing services.

• CISA KEV

CVE advisoryKnown Exploit

CVE-2018-0158

Cisco IOS/IOS XE Software Denial Of Service Vulnerability.

Halo Surface Signal: 5 out of 5 — more likely to be public-facing.

A vulnerability in Cisco IOS and IOS XE Software's IKEv2 module could allow remote attackers to cause a denial of service. This impacts network device availability and could disrupt business operations. The risk is considered high due to the ease of exploitation.

• CISA KEV

CVE advisoryKnown Exploit

CVE-2018-0156

Cisco IOS Software Smart Install Denial of Service Vulnerability.

Halo Surface Signal: 2 out of 5 — less likely to be public-facing.

A vulnerability in Cisco IOS Software and Cisco IOS XE Software's Smart Install feature could allow an attacker to cause a denial-of-service condition. This impacts network device availability by allowing remote attackers to trigger device reloads through crafted packets. Organizations using the Smart Install feature o

• CISA KEV

CVE advisoryKnown Exploit

CVE-2018-0155

Cisco Switch Denial-of-Service Vulnerability

Halo Surface Signal: 2 out of 5 — less likely to be public-facing.

A vulnerability in Cisco Catalyst switches' BFD implementation could allow an attacker to cause a denial of service. This could lead to system reloads, impacting network operations and employee productivity. The risk is heightened as this vulnerability is known to be exploited. Organizations should identify affected sy

• CISA KEV

CVE advisoryKnown Exploit

CVE-2018-0154

Cisco IOS VPN Module Denial-of-Service Vulnerability

Halo Surface Signal: 5 out of 5 — more likely to be public-facing.

A vulnerability in Cisco IOS Software's VPN module could allow remote attackers to cause a denial-of-service by sending crafted VPN traffic. This impacts network operations by potentially causing device hangs or crashes. The risk is external, as an unauthenticated attacker can exploit this over the network.

• CISA KEV

CVE advisoryKnown Exploit

CVE-2018-0151

Cisco IOS/IOS XE Software Denial of Service and Code Execution Vulnerability.

Halo Surface Signal: 4 out of 5 — likely to be public-facing.

A vulnerability in Cisco IOS and IOS XE software could allow an unauthenticated remote attacker to execute arbitrary code with elevated privileges or cause a denial of service. This impacts network devices, posing a business risk of system interruption and unauthorized access. Organizations should identify affected ass

• CISA KEV