CVE-2019-1751: high-severity vulnerability in Cisco IOS Software
Cisco IOS Software NAT64 Denial of Service Vulnerability
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.6epss 2.5%
A vulnerability in the Network Address Translation 64 (NAT64) functions of Cisco IOS Software could allow an unauthenticated, remote attacker to cause either an interface queue wedge or a device reload. The vulnerability is due to the incorrect handling of certain IPv4 packet streams that are sent through the device. An attacker could exploit this vulnerability by sending specific IPv4 packet streams through the device. An exploit could allow the attacker to either cause an interface queue wedge or a device reload, resulting in a denial of service (DoS) condition.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Affected products
Cisco · Cisco IOS SoftwareRelated CVEs — Cisco IOS Software
In the same product, most dangerous first.
CVE-2018-0485—Cisco IOS and IOS XE Software SM-1T3/E3 Service Module Denial of Service VulnerabilityEPSS 4.1%CVE-2018-0467—Cisco IOS and IOS XE Software IPv6 Hop-by-Hop Options Denial of Service VulnerabilityEPSS 3.8%CVE-2018-0473—Cisco IOS Software Precision Time Protocol Denial of Service VulnerabilityEPSS 3.5%CVE-2018-15369—Cisco IOS and IOS XE Software TACACS+ Client Denial of Service VulnerabilityEPSS 2.1%CVE-2018-15377—Cisco IOS and IOS XE Software Plug and Play Agent Memory Leak VulnerabilityEPSS 1.6%CVE-2018-0466—Cisco IOS and IOS XE Software OSPFv3 Denial of Service VulnerabilityEPSS 1.0%