CVE-2023-28724

highpriority · track · 28OT risk · elevatedEPSS 0.002 · 6 %ileDEEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.17% (6th) EPSS

CVSS 7.1 · high

Is it mine?

13 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

7.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.5–7.1

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Nprimary · NVD / NIST USexploitability 1.8 · impact 5.2

v3.17.1highAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Nsecondary · FSTEC (BDU) RU

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Nsecondary · ENISA EU

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Nsecondary · f5sirt@f5.comexploitability 1.8 · impact 5.2

v3.16.5mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-276USprimaryCWE-276US

affected products (13)

Products and version ranges known to be affected.

NGINX NGINX API Connectivity Manager < 1.5.0all versionscert_bundDEcpe:/a:nginx:nginx:api_connectivity_manager__1.5.0
NGINX NGINX Instance Manager < 2.9.0all versionscert_bundDEcpe:/a:nginx:nginx:instance_manager__2.9.0
NGINX NGINX Security Monitoring < 1.3.0all versionscert_bundDEcpe:/a:nginx:nginx:security_monitoring__1.3.0
F5 NGINX API Connectivity Manager1.0.0 → 1.5.0enisa_euvdEU
F5 NGINX Instance Manager1.0.0 → *enisa_euvdEU
F5 NGINX Instance Manager2.0.0 → 2.9.0enisa_euvdEU
F5 NGINX Security Monitoring1.0.0 → 1.3.0enisa_euvdEU
NGINX Inc. NGINX API Connectivity Manager1.0.0 → 1.4.1fstec_bduRU
NGINX Inc. NGINX Instance Manager2.0.0 → 2.8.0fstec_bduRU
NGINX Inc. NGINX Security Monitoring1.0.0 → 1.2.0fstec_bduRU
f5 nginx api connectivity manager1.0.0 → 1.5.0nvdUScpe:2.3:a:f5:nginx_api_connectivity_manager:*:*:*:*:*:*:*:*
f5 nginx instance manager2.0.0 → 2.9.0nvdUScpe:2.3:a:f5:nginx_instance_manager:*:*:*:*:*:*:*:*
f5 nginx security monitoring1.0.0 → 1.3.0nvdUScpe:2.3:a:f5:nginx_security_monitoring:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-1144NGINX: Mehrere SchwachstellenDeutsch2023-05-03csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in NGINX ausnutzen, um Sicherheitsvorkehrungen zu umgehen, Dateien zu manipulieren oder Informationen offenzulegen.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund nvd NVD CVE.org MITRE

published 2023-05-03modified 2026-06-17

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references (7)

External citations — patches, advisories, analysis.

scry

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