CVE-2022-20738 - CVE House
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Status published Medium CVE-2022-20738

Cisco Umbrella Secure Web Gateway File Inspection Bypass Vulnerability

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

Cisco Umbrella Insights Virtual Appliance
Vulnerable Versions:
Unknown

Timeline

Official Publish: February 10th, 2022
Last Modified: November 6th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N

Weaknesses (CWE)

CWE-693

MITRE ATT&CK TTPs

T1562 Impair Defenses
Defense Evasion
T1190 Exploit Public-Facing Application
Initial Access
T1068 Exploitation for Privilege Escalation
Privilege Escalation
T1550 Use Alternate Authentication Material
Defense Evasion
T1485 Data Destruction
Impact