CVE-2023-43509

Name: CVE-2023-43509
Creator: NVD / NIST
Published: 2023-10-25T18:17:32.05+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.8/10EPSS 0.57%

Last modified Jun 17, 2026

CVE-2023-43509 is a medium-severity vulnerability rated 5.8/10 on the CVSS scale. 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.. EPSS estimates a 0.57% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.8/10

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

EPSS Probability

0.57%

42.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Arubanetworks	Clearpass Policy Manager	< 6.9.13
Arubanetworks	Clearpass Policy Manager	>= 6.10.0, < 6.10.8
Arubanetworks	Clearpass Policy Manager	>= 6.11.0, <= 6.11.4
Arubanetworks	Clearpass Policy Manager	6.9.13
Arubanetworks	Clearpass Policy Manager	6.10.8

References

https://www.arubanetworks.com/assets/alert/ARUBA-PSA-2023-016.txtVendor Advisory
https://www.arubanetworks.com/assets/alert/ARUBA-PSA-2023-016.txtVendor Advisory

Timeline

Published: Oct 25, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-43509?

How severe is CVE-2023-43509?

CVE-2023-43509 has a CVSS score of 5.8/10 (MEDIUM severity). The EPSS model estimates a 0.57% probability of exploitation in the next 30 days.

How do I fix CVE-2023-43509?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-43509?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST