What is CVE-2023-28656?

CVE-2023-28656 is a high-severity vulnerability in F5 Nginx Api Connectivity Manager, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.1/10. Published 2023-05-03.

How severe is CVE-2023-28656?

High severity. CVSS v3 base score is 8.1 out of 10.

Auth bypass in F5 Nginx Api Connectivity Manager

CVE-2023-28656

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.

Vulnerability class: IDOR (Insecure Direct Object Reference)

EPSS: 0.005 (40.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

Affected products

F5 Nginx Api Connectivity Manager — versions 1.0.0
F5 Nginx_api_connectivity_manager
F5 Nginx Instance Manager — versions 2.0.0
F5 Nginx_instance_manager
F5 Nginx Security Monitoring — versions 1.0.0
F5 Nginx_security_monitoring
Netapp Cloud_backup
Netapp Ontap_select_deploy

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

f5sirt@f5.com (vendor-advisory, Vendor Advisory)
f5sirt@f5.com (Third Party Advisory)

Frequently asked questions

What is CVE-2023-28656?: CVE-2023-28656 is a high-severity vulnerability in F5 Nginx Api Connectivity Manager, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.1/10. Published 2023-05-03.
How severe is CVE-2023-28656?: High severity. CVSS v3 base score is 8.1 out of 10.