CVE-2023-28724

NGINX Management Suite vulnerability

HIGH

7.1

CVSS Score

Published: May 3, 2023 at 02:34 PM UTC

Updated: June 17, 2026 at 05:48 AM UTC

3 products affected across 1 vendorNGINX Instance ManagerNGINX API Connectivity ManagerNGINX Security Monitoring

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Severity

HIGH7.1

Exploit prediction

EPSS 0.2%

SSVC

No known exploit

Description

NGINX Management Suite default file permissions are set such that an authenticated attacker may be able to modify sensitive files on NGINX Instance Manager and NGINX API Connectivity Manager. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected

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

NGINX API Connectivity Manager · F5

95%

1.0.0 ≤ v < 1.5.01.0.0

Affected range stops below 1.5.0, so it looks safe — our inference, not a vendor statement

NGINX Instance Manager · F5

95%

v ≥ 1.0.02.0.0 ≤ v < 2.9.01.0.0 2.0.0

Affected range stops below 2.9.0, so it looks safe — our inference, not a vendor statement

NGINX Security Monitoring · F5

95%

1.0.0 ≤ v < 1.3.01.0.0

Affected range stops below 1.3.0, 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

https://my.f5.com/manage/s/article/K000133233

References (2)

Vendor Advisory

Source: [email protected]

https://my.f5.com/manage/s/article/K000133233

Third Party Advisory

Source: [email protected]

https://security.netapp.com/advisory/ntap-20230609-0006/

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

7.1HIGHf5

Attack Vector: LOCAL
Complexity: LOW
Privileges: LOW
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: NONE

Vector?

Quick Info

StatusANALYZED

CWE

CWE-276

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