CVE-2023-28656

HIGHNVD 8.18.1—

8.1

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.

CVSS v3: 8.1
EG Score: 8.1(medium)
EPSS: 52.3%
KEV: Not listed

Published

May 3, 2023

Last Modified

May 19, 2025

References (4)

f5sirt@f5https://my.f5.com/manage/s/article/K000133417
f5sirt@f5https://security.netapp.com/advisory/ntap-20230609-0006/
af854a3a-2127-422b-91ae-364da2661108https://my.f5.com/manage/s/article/K000133417
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20230609-0006/

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-639Authorization Bypass Through User-Controlled Key (IDOR)

Data Freshness Timeline

(refreshed 12× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-25 02:01 UTCEG score recompute

Frequently asked(5)

What is CVE-2023-28656?

CVE-2023-28656 is a high vulnerability published on May 3, 2023. 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.

When was CVE-2023-28656 disclosed?

CVE-2023-28656 was first published in the National Vulnerability Database on May 3, 2023, with the most recent update on May 19, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-28656 actively exploited?

CVE-2023-28656 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 52.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-28656?

CVE-2023-28656 has a CVSS v3 base score of 8.1 (NVD).

How do I remediate CVE-2023-28656?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-28656, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2023-28656

📅 Published

🔄 Last Modified

🔗 References (4)