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CVE-2019-1751— Cisco IOS Software NAT64 Denial of Service Vulnerability

EPSS 0.94% · P76
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I. Basic Information for CVE-2019-1751

Vulnerability Information
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Vulnerability Title
Cisco IOS Software NAT64 Denial of Service Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
输入验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cisco IOS 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco IOS是美国思科（Cisco）公司的一套为其网络设备开发的操作系统。 Cisco IOS中的Network Address Translation 64 (NAT64)功能存在输入验证漏洞，该漏洞源于程序没有正确地处理IPv4数据包流。远程攻击者可通过发送IPv4数据包流利用该漏洞造成拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
CiscoCisco IOS Software 15.x -

II. Public POCs for CVE-2019-1751

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III. Intelligence Information for CVE-2019-1751

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Same Patch Batch · Cisco · 2019-03-28 · 12 CVEs total

CVE-2019-1752Cisco IOS and IOS XE Software ISDN Interface Denial of Service Vulnerability
CVE-2019-1753Cisco IOS XE Software Privilege Escalation Vulnerability
CVE-2019-1756Cisco IOS XE Software Command Injection Vulnerability
CVE-2019-1755Cisco IOS XE Software Command Injection Vulnerability
CVE-2019-1754Cisco IOS XE Software Privilege Escalation Vulnerability
CVE-2019-1758Cisco IOS Software Catalyst 6500 Series 802.1x Authentication Bypass Vulnerability
CVE-2019-1757Cisco IOS and IOS XE Software Smart Call Home Certificate Validation Vulnerability
CVE-2019-1761Cisco IOS and IOS XE Software Hot Standby Router Protocol Information Leak Vulnerability
CVE-2019-1760Cisco IOS XE Software Performance Routing Version 3 Denial of Service Vulnerability
CVE-2019-1759Cisco IOS XE Software Gigabit Ethernet Management Interface Access Control List Bypass Vul
CVE-2019-1762Cisco IOS and IOS XE Software Information Disclosure Vulnerability

IV. Related Vulnerabilities

Same product: Cisco IOS Software
Same vendor: Cisco
Same weakness: CWE-20

V. Comments for CVE-2019-1751

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