CVE-2023-28656

Name: CVE-2023-28656
Creator: NVD / NIST
Published: 2023-05-03T15:15:12.86+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.1/10EPSS 0.53%

Last modified Jun 17, 2026

CVE-2023-28656 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. NGINX Management Suite may allow an authenticated attacker to gain access to configuration objects outside of their assigned environment. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.. EPSS estimates a 0.53% chance of exploitation in the next 30 days.

Description

NGINX Management Suite may allow an authenticated attacker to gain access to configuration objects outside of their assigned environment. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Metrics

CVSS 3.1

8.1/10

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

EPSS Probability

0.53%

40.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Netapp	Cloud Backup	All versions
Netapp	Ontap Select Deploy	All versions
F5	Nginx Api Connectivity Manager	>= 1.0.0, < 1.5.0
F5	Nginx Instance Manager	>= 2.0.0, < 2.9.0
F5	Nginx Security Monitoring	>= 1.0.0, < 1.3.0

References

https://my.f5.com/manage/s/article/K000133417Vendor Advisory
https://security.netapp.com/advisory/ntap-20230609-0006/Third Party Advisory
https://my.f5.com/manage/s/article/K000133417Vendor Advisory
https://security.netapp.com/advisory/ntap-20230609-0006/Third Party Advisory

Timeline

Published: May 3, 2023
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2023-28656?

How severe is CVE-2023-28656?

CVE-2023-28656 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 0.53% probability of exploitation in the next 30 days.

How do I fix CVE-2023-28656?

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-2023-28656?

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

Scan your code now

Source: NVD / NIST