CVE-2021-23885 | BDVDB-2026-149352 Detail

McAfeeMcAfee Web Gateway (MWG)

Description#

Privilege escalation vulnerability in McAfee Web Gateway (MWG) prior to 9.2.8 allows an authenticated user to gain elevated privileges through the User Interface and execute commands on the appliance via incorrect improper neutralization of user input in the troubleshooting page.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.

Weaknesses#

CWE-269 Improper Privilege Management

References#

https://kc.mcafee.com/corporate/index?page=content&id=SB10349

Exploit#

No public exploit known

History#

Version 12021-02-17Record published in the CVE List.
Version 22024-08-03Most recent update recorded in the CVE List.

Published

Published: 2021-02-17
Last modified: 2024-08-03

Vendor information

Vendor: McAfee
Product: McAfee Web Gateway (MWG)

All McAfee vulnerabilities

Score

9.0 Critical

EPSS

1.0%, Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 65.5.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Privilege Escalation

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< 9.2.8
Fixed
9.2.8

Scoring System

CVSS v4.0

Not available

CVSS v3.1

9.0 Critical

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	Low
User Interaction	Required
Scope	Changed
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).