Vulnerability · Published Jun 18, 2020 · Assigned by cisco

CVE-2020-3337Cisco Umbrella Open Redirect Vulnerability

Medium 4.7

In plain English

A medium-severity open redirect in Cisco Umbrella from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 57% of all known vulnerabilities).

Severity (CVSS 3.0)4.7Medium

Exploit odds (30 days)0.8%top 42.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

A vulnerability in the web server of Cisco Umbrella could allow an unauthenticated, remote attacker to redirect a user to an undesired web page. The vulnerability is due to improper input validation of the URL parameters in an HTTP request that is sent to an affected device. An attacker could exploit this vulnerability by sending a crafted HTTP request that could cause the web application to redirect the request to a specified malicious URL. A successful exploit could allow the attacker to redirect a user to a malicious website.

Affected products (as reported)

Vendor	Product	Versions
Cisco	Cisco Umbrella	n/a

Weakness: CWE-601 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N

References

20200617 Cisco Umbrella Open Redirect Vulnerability vendor-advisory, x_refsource_CISCO