Vulnerability · Published Feb 10, 2022 · Assigned by cisco

CVE-2022-20738Cisco Umbrella Secure Web Gateway File Inspection Bypass Vulnerability

Medium 5.8

In plain English

A medium-severity security flaw in Cisco Umbrella Insights Virtual Appliance from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 66% of all known vulnerabilities).

Severity (CVSS 3.1)5.8Medium

Exploit odds (30 days)1.1%top 34.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

A vulnerability in the Cisco Umbrella Secure Web Gateway service could allow an unauthenticated, remote attacker to bypass the file inspection feature. This vulnerability is due to insufficient restrictions in the file inspection feature. An attacker could exploit this vulnerability by downloading a crafted payload through specific methods. A successful exploit could allow the attacker to bypass file inspection protections and download a malicious payload.

Affected products (as reported)

Vendor	Product	Versions
Cisco	Cisco Umbrella Insights Virtual Appliance	n/a

Weakness: CWE-693 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N

References

20220203 Cisco Umbrella Secure Web Gateway File Inspection Bypass Vulnerability vendor-advisory, x_refsource_CISCO