Is CVE-2023-40579 in the CISA KEV catalog?

No. CVE-2023-40579 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-40579?

CVE-2023-40579 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2023-40579?

CVE-2023-40579 has an EPSS score of 0.45% (36th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-40579?

Upgrade openfga to 1.3.1 or later.

CVE & CISA-KEV Catalog

CVE-2023-40579

MEDIUM

6.5

CVSS v3

NVD

Description

OpenFGA is an authorization/permission engine built for developers and inspired by Google Zanzibar. Some end users of OpenFGA v1.3.0 or earlier are vulnerable to authorization bypass when calling the ListObjects API. The vulnerability affects customers using `ListObjects` with specific models. The affected models contain expressions of type `rel1 from type1`. This issue has been patched in version 1.3.1.

CWE-284Improper Access Control

How to fix

Remediation Available

openfgaNVD

Affected:< 1.3.1Fixed in:1.3.1CVE-2023-40579derived 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 VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.45%probability of exploitation in 30 days

36thpercentile

Low risk: more likely to be exploited than 36% of all known CVEs.

References

Vendor Advisory1

github.com

Release Notes1

github.com

Related Vulnerabilities

Other CWE-284 (Improper Access Control) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-27350	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2019-1653	High	7.5	100%	KEV	-
CVE-2023-23752	Medium	5.3	100%	KEV	Fix
CVE-2023-29298	High	7.5	100%	KEV	-
CVE-2023-38205	High	7.5	100%	KEV	-
CVE-2024-27348	Critical	9.8	99%	KEV	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 2024-11-21.