vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2021-25269

MEDIUM
4.4
CVSS Score
Published: November 26, 2021 at 02:12 PM UTC
Updated: June 17, 2026 at 03:41 AM UTC
4 products affected across 1 vendorIntercept X EndpointIntercept X for ServerExploit Prevention

Using Intercept X Advanced by Sophos?

Get instant alerts when new vulnerabilities affect Intercept X Advanced - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
MEDIUM4.4
Exploit prediction
EPSS 0.3%

Description

A local administrator could prevent the HMPA service from starting despite tamper protection using an unquoted service path vulnerability in the HMPA component of Sophos Intercept X Advanced and Sophos Intercept X Advanced for Server before version 2.0.23, as well as Sophos Exploit Prevention before version 3.8.3.

Affected

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

Exploit Prevention· Sophos
95%
v < 3.8.3
Affected range stops below 3.8.3, so it looks safe — our inference, not a vendor statement
Intercept X Endpoint· Sophos
95%
v < 2.0.23
Affected range stops below 2.0.23, so it looks safe — our inference, not a vendor statement
Intercept X for Server· Sophos
95%
v < 2.0.23
Affected range stops below 2.0.23, so it looks safe — our inference, not a vendor statement
Intercept X· Sophos
60%
v < 2.0.23
Affected range stops below 2.0.23, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://www.sophos.com/en-us/security-advisories/sophos-sa-20211126-ixa-hmpa-local-dos

CVSS

4.4MEDIUMSophos
Attack Vector
LOCAL
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-428

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card