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CVE-2023-43509

Unauthenticated Endpoint Allows Sending Arbitrary OnGuard Notifications

MEDIUM
5.8
CVSS Score
Published: October 24, 2023 at 06:13 PM UTC
Updated: June 17, 2026 at 06:25 AM UTC
2 products affected across 2 vendorsClearpass Policy ManagerAruba ClearPass Policy Manager

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Severity
MEDIUM5.8
Exploit prediction
EPSS 0.8%
SSVC
No known exploit

Description

A vulnerability in the web-based management interface of ClearPass Policy Manager could allow an unauthenticated remote attacker to send notifications to computers that are running ClearPass OnGuard. These notifications can then be used to phish users or trick them into downloading malicious software.

Affected

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

Clearpass Policy Manager· Aruba Networks
95%
v < 6.9.136.10.0 ≤ v < 6.10.86.10x ≤ v < 6.10.86.11.0 ≤ v ≤ 6.11.46.11x ≤ v ≤ 6.11.46.9x ≤ v < 6.9.136.10.86.10.8 cumulative_hotfix_patch_26.10.8 cumulative_hotfix_patch_56.10x6.11x6.9.136.9.13 cumulative_hotfix_patch_26.9.13 cumulative_hotfix_patch_36.9x
Affected range stops below 6.10.8, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.9.13, so it looks safe — our inference, not a vendor statement
Aruba ClearPass Policy Manager· Hewlett Packard Enterprise HPE
60%
v ≤ 3v ≤ 5ClearPass Policy Manager 6.11.x: 6.11.4 and below ≤ v ≤ <=6.11.4

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)

Vendor Advisory
Source: [email protected]
https://www.arubanetworks.com/assets/alert/ARUBA-PSA-2023-016.txt

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.8MEDIUMhpe
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfoCWE-79

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