CVE-2019-1758: medium-severity vulnerability in Cisco IOS Software
Cisco IOS Software Catalyst 6500 Series 802.1x Authentication Bypass Vulnerability
Published · Updated
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 4.7epss 0.6%
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.
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
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-2019-1751HIGHCisco IOS Software NAT64 Denial of Service VulnerabilityEPSS 2.5%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%