Is CVE-2023-28724 in the CISA KEV catalog?

No. CVE-2023-28724 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-28724?

CVE-2023-28724 has a CVSS v3 base score of 7.1 (HIGH).

What is the EPSS score for CVE-2023-28724?

CVE-2023-28724 has an EPSS score of 0.17% (7th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-28724?

Upgrade nginx api connectivity manager to 1.5.0 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2023-28724

HIGH

7.1

CVSS v3

NVD

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.

CWE-276

How to fix

Remediation Available

nginx api connectivity managerNVD

Affected:>= 1.0.0, < 1.5.0Fixed in:1.5.0CVE-2023-28724derived from NVD

nginx instance managerNVD

Affected:>= 2.0.0, < 2.9.0Fixed in:2.9.0CVE-2023-28724derived from NVD

nginx security monitoringNVD

Affected:>= 1.0.0, < 1.3.0Fixed in:1.3.0CVE-2023-28724derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

0.17%probability of exploitation in 30 days

7thpercentile

Low risk: more likely to be exploited than 7% of all known CVEs.

References

Vendor Advisory1

my.f5.com

Third-Party Advisory1

security.netapp.com

Related Vulnerabilities

Other CWE-276 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2013-0632	Critical	9.8	94%	KEV	-
CVE-2017-11610	High	8.8	88%	-	Fix
CVE-2023-29919	Critical	9.1	60%	-	-
CVE-2019-17124	Critical	9.8	23%	-	-
CVE-2020-12608	High	7.8	22%	-	Fix
CVE-2021-3437	Critical	9.8	16%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-04-10.