Vulnerability · Published Jul 31, 2020 · Assigned by cisco

CVE-2020-3374Cisco SD-WAN vManage Software Authorization Bypass Vulnerability

Critical 9.9

In plain English

A critical-severity security flaw in Cisco SD-WAN vManage from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.9% (higher than 80% of all known vulnerabilities).

Severity (CVSS 3.0)9.9Critical

Exploit odds (30 days)1.9%top 20.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
Cisco	Cisco SD-WAN vManage	n/a

Weakness: CWE-285 · Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

References

20200729 Cisco SD-WAN vManage Software Authorization Bypass Vulnerability vendor-advisory, x_refsource_CISCO