Vulnerability Details : CVE-2022-20738
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.
Exploit prediction scoring system (EPSS) score for CVE-2022-20738
Probability of exploitation activity in the next 30 days: 0.26%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 64 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2022-20738
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST |
|
5.8
|
MEDIUM | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N |
3.9
|
1.4
|
Cisco Systems, Inc. |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2022-20738
-
The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product.Assigned by: ykramarz@cisco.com (Secondary)
References for CVE-2022-20738
-
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-swg-fbyps-3z4qT7p
Cisco Umbrella Secure Web Gateway File Inspection Bypass VulnerabilityMitigation;Vendor Advisory
Products affected by CVE-2022-20738
- cpe:2.3:a:cisco:umbrella_secure_web_gateway:-:*:*:*:*:*:*:*