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CVE-2021-23885

Privilege escalation vulnerability in McAfee Web Gateway (MWG) UI

HIGH
8.8
CVSS Score
Published: February 17, 2021 at 09:20 AM UTC
Updated: June 17, 2026 at 03:38 AM UTC
1 product affected across 1 vendorWeb Gateway

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Severity
HIGH8.8
Exploit prediction
EPSS 1%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Web Gateway· McAfee
95%
v < 8.2.17v < 9.2.810.0 ≤ v < 10.0.49.2 ≤ v < 9.2.8
Affected range stops below 10.0.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 8.2.17, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.2.8, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_CONFIRM
Source: [email protected]
https://kc.mcafee.com/corporate/index?page=content&id=SB10349

CVSS

8.8HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-269NVD-CWE-Other

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