Auth bypass in Cisco Identity Services Engine Software

CVE-2020-3467

A vulnerability in the web-based management interface of Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker to modify parts of the configuration on an affected device. The vulnerability is due to improper enforcement of role-based access control (RBAC) within the web-based management interface. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to modify parts of the configuration. The modified configuration could either allow unauthorized devices onto the network or prevent authorized devices from accessing the network. To exploit this vulnerability, an attacker would need valid Read-Only Administrator credentials.

Vulnerability class: Broken Access Control

EPSS: 0.009 (56.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-3467?
CVE-2020-3467 is a high-severity vulnerability in Cisco Identity Services Engine Software, classified under Incorrect Authorization. CVSS score: 7.7/10. Published 2020-10-08.
How severe is CVE-2020-3467?
High severity. CVSS v3 base score is 7.7 out of 10.