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CVE-2019-1758— Cisco IOS Software Catalyst 6500 Series 802.1x Authentication Bypass Vulnerability

Quick assessment

Affected
Cisco Cisco IOS 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 6500 Series Switches是美国思科（Cisco）公司的一款6500系列模块化机箱交换机。Cisco IOS是其中的一套为其网络设备开发的操作系统。 Cisco Catalyst 6500 Series Switches中的Cisco IOS的802.1x功能存在授权问题漏洞。攻击者可利用该漏洞不进行身份验证便可访问网络。

AI Predicted 7.5 Difficulty: Easy EPSS 0.59% · P46

Possible ATT&CK Techniques 1 AI

T1557 · Adversary-in-the-Middle
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I. Basic Information for CVE-2019-1758

Vulnerability Information
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Vulnerability Title
Cisco IOS Software Catalyst 6500 Series 802.1x Authentication Bypass Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in 802.1x function of Cisco IOS Software on the Catalyst 6500 Series Switches could allow an unauthenticated, adjacent attacker to access the network prior to authentication. The vulnerability is due to how the 802.1x packets are handled in the process path. An attacker could exploit this vulnerability by attempting to connect to the network on an 802.1x configured port. A successful exploit could allow the attacker to intermittently obtain access to the network.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco Catalyst 6500 Series Switches Cisco IOS 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Catalyst 6500 Series Switches是美国思科（Cisco）公司的一款6500系列模块化机箱交换机。Cisco IOS是其中的一套为其网络设备开发的操作系统。 Cisco Catalyst 6500 Series Switches中的Cisco IOS的802.1x功能存在授权问题漏洞。攻击者可利用该漏洞不进行身份验证便可访问网络。
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 Software 12.2(60)EZ12 -

II. Public POCs for CVE-2019-1758

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III. Intelligence Information for CVE-2019-1758

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Vendor Advisories for CVE-2019-1758 (1)

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

CVE-2019-1751 Cisco IOS Software NAT64 Denial of Service Vulnerability
CVE-2019-1752 Cisco IOS and IOS XE Software ISDN Interface Denial of Service Vulnerability
CVE-2019-1753 Cisco IOS XE Software Privilege Escalation Vulnerability
CVE-2019-1756 Cisco IOS XE Software Command Injection Vulnerability
CVE-2019-1755 Cisco IOS XE Software Command Injection Vulnerability
CVE-2019-1754 Cisco IOS XE Software Privilege Escalation Vulnerability
CVE-2019-1757 Cisco IOS and IOS XE Software Smart Call Home Certificate Validation Vulnerability
CVE-2019-1761 Cisco IOS and IOS XE Software Hot Standby Router Protocol Information Leak Vulnerability
CVE-2019-1760 Cisco IOS XE Software Performance Routing Version 3 Denial of Service Vulnerability
CVE-2019-1759 Cisco IOS XE Software Gigabit Ethernet Management Interface Access Control List Bypass Vul
CVE-2019-1762 Cisco IOS and IOS XE Software Information Disclosure Vulnerability

IV. Related Vulnerabilities

Same product: Cisco IOS Software
Same vendor: Cisco
Same weakness: CWE-287

V. Comments for CVE-2019-1758

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