CVE-2020-3364 — MEDIUM (5.3)

Vulnerability Description

A vulnerability in the access control list (ACL) functionality of the standby route processor management interface of Cisco IOS XR Software could allow an unauthenticated, remote attacker to reach the configured IP addresses on the standby route processor management Gigabit Ethernet Management interface. The vulnerability is due to a logic error that was introduced in the Cisco IOS XR Software, which prevents the ACL from working when applied against the standby route processor management interface. An attacker could exploit this vulnerability by attempting to access the device through the standby route processor management interface.

CVSS Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Cisco	Ios Xr	6.7.1

Related Weaknesses (CWE)

CWE-284 CWE-863

References

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-xMitigationVendor Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-xMitigationVendor Advisory

FAQ

What is CVE-2020-3364?

CVE-2020-3364 is a vulnerability with a CVSS score of 5.3 (MEDIUM). A vulnerability in the access control list (ACL) functionality of the standby route processor management interface of Cisco IOS XR Software could allow an unauthenticated, remote attacker to reach the...

How severe is CVE-2020-3364?

CVE-2020-3364 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-3364?

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