CVE-2019-1758 — MEDIUM (4.7)

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.

CVSS Score

4.7

MEDIUM

CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality

NONE

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Cisco	Ios	12.2\(33\)sxj6

Related Weaknesses (CWE)

CWE-287

References

http://www.securityfocus.com/bid/107616Third Party AdvisoryVDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-2PatchVendor Advisory
http://www.securityfocus.com/bid/107616Third Party AdvisoryVDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-2PatchVendor Advisory

FAQ

What is CVE-2019-1758?

CVE-2019-1758 is a vulnerability with a CVSS score of 4.7 (MEDIUM). 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 vulne...

How severe is CVE-2019-1758?

CVE-2019-1758 has been rated MEDIUM with a CVSS base score of 4.7/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2019-1758?

Check the references section above for vendor advisories and patch information. Affected products include: Cisco Ios.