Auth bypass in Cisco Sd-Wan Vmanage

CVE-2020-3374

A vulnerability in the web-based management interface of Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to bypass authorization, enabling them to access sensitive information, modify the system configuration, or impact the availability of the affected system. The vulnerability is due to insufficient authorization checking on the affected system. An attacker could exploit this vulnerability by sending crafted HTTP requests to the web-based management interface of an affected system. A successful exploit could allow the attacker to gain privileges beyond what would normally be authorized for their configured user authorization level. The attacker may be able to access sensitive information, modify the system configuration, or impact the availability of the affected system.

EPSS: 0.019 (78.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-3374?
CVE-2020-3374 is a critical-severity vulnerability in Cisco Sd-Wan Vmanage, classified under Improper Authorization. CVSS score: 9.9/10. Published 2020-07-31.
How severe is CVE-2020-3374?
Critical severity. CVSS v3 base score is 9.9 out of 10.