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CVE-2019-1750— Cisco IOS XE Software Catalyst 4500 Cisco Discovery Protocol Denial of Service Vulnerability

Quick assessment

Affected
Cisco Cisco IOS XE Software
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Cisco Catalyst 4500 Series Switches和Cisco Catalyst 4500-X Series Switches都是美国思科（Cisco）公司的产品。Cisco Catalyst 4500 Series Switches是一款4500系列交换机。Cisco Catalyst 4500-X Series Switches是一款4500-X系列交换机。 Cisco Catalyst 4500 Series Switches和Cisco Catalyst 4500-X Seri

AI Predicted 7.5 Difficulty: Easy EPSS 0.71% · P52
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I. Basic Information for CVE-2019-1750

Vulnerability Information
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Vulnerability Title
Cisco IOS XE Software Catalyst 4500 Cisco Discovery Protocol Denial of Service Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the Easy Virtual Switching System (VSS) of Cisco IOS XE Software on Catalyst 4500 Series Switches could allow an unauthenticated, adjacent attacker to cause the switches to reload. The vulnerability is due to incomplete error handling when processing Cisco Discovery Protocol (CDP) packets used with the Easy Virtual Switching System. An attacker could exploit this vulnerability by sending a specially crafted CDP packet. An exploit could allow the attacker to cause the device to reload, resulting in a denial of service (DoS) condition.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
多款Cisco产品输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Catalyst 4500 Series Switches和Cisco Catalyst 4500-X Series Switches都是美国思科（Cisco）公司的产品。Cisco Catalyst 4500 Series Switches是一款4500系列交换机。Cisco Catalyst 4500-X Series Switches是一款4500-X系列交换机。 Cisco Catalyst 4500 Series Switches和Cisco Catalyst 4500-X Seri
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

Vendor Product Affected Versions CPE Subscribe
Cisco Cisco IOS XE Software 3.6.0E -

II. Public POCs for CVE-2019-1750

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III. Intelligence Information for CVE-2019-1750

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Vendor Advisories for CVE-2019-1750 (1)

Same Patch Batch · Cisco · 2019-03-27 · 13 CVEs total

CVE-2019-1737 Cisco IOS and IOS XE Software IP Service Level Agreement Denial of Service Vulnerability
CVE-2019-1738 Cisco IOS and IOS XE Software Network-Based Application Recognition Denial of Service Vuln
CVE-2019-1739 Cisco IOS and IOS XE Software Network-Based Application Recognition Denial of Service Vuln
CVE-2019-1741 Cisco IOS XE Software Encrypted Traffic Analytics Denial of Service Vulnerability
CVE-2019-1740 Cisco IOS and IOS XE Software Network-Based Application Recognition Denial of Service Vuln
CVE-2019-1743 Cisco IOS XE Software Arbitrary File Upload Vulnerability
CVE-2019-1742 Cisco IOS XE Software Information Disclosure Vulnerability
CVE-2019-1745 Cisco IOS XE Software Command Injection Vulnerability
CVE-2019-1746 Cisco IOS and IOS XE Software Cluster Management Protocol Denial of Service Vulnerability
CVE-2019-1748 Cisco IOS and IOS XE Software Network Plug-and-Play Agent Certificate Validation Vulnerabi
CVE-2019-1747 Cisco IOS and IOS XE Software Short Message Service Denial of Service Vulnerability
CVE-2019-1749 Cisco Aggregation Services Router 900 Route Switch Processor 3 OSPFv2 Denial of Service Vu

IV. Related Vulnerabilities

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

V. Comments for CVE-2019-1750

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