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CVE-2021-32951

Advantech WebAccess/NMS Improper Authentication

MEDIUM
5.3
CVSS Score
Published: October 27, 2021 at 12:54 AM UTC
Updated: June 17, 2026 at 03:53 AM UTC
1 product affected across 1 vendorWebAccess/NMS

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.9%

Description

WebAccess/NMS (Versions prior to v3.0.3_Build6299) has an improper authentication vulnerability, which may allow unauthorized users to view resources monitored and controlled by the WebAccess/NMS, as well as IP addresses and names of all the devices managed via WebAccess/NMS.

Affected

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

WebAccess/NMS· Advantech
95%
v ≤ 3.0.3Versions ≤ v < v3.0.3_Build6299Versions
Affected range stops below v3.0.3_Build6299, 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_MISCPatchThird Party AdvisoryUS Government Resource
Source: [email protected]
https://us-cert.cisa.gov/ics/advisories/icsa-21-229-02

CVSS

5.3MEDIUMicscert
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-287

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