Is CVE-2023-40251 in the CISA KEV catalog?

No. CVE-2023-40251 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-40251?

CVE-2023-40251 has a CVSS v3 base score of 5.2 (MEDIUM).

What is the EPSS score for CVE-2023-40251?

CVE-2023-40251 has an EPSS score of 0.14% (4th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-40251?

Upgrade genian nac to 5.0.55 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2023-40251

MEDIUM

5.2

CVSS v3

NVD

Description

Missing Encryption of Sensitive Data vulnerability in Genians Genian NAC V4.0, Genians Genian NAC V5.0, Genians Genian NAC Suite V5.0, Genians Genian ZTNA allows Man in the Middle Attack.This issue affects Genian NAC V4.0: from V4.0.0 through V4.0.155; Genian NAC V5.0: from V5.0.0 through V5.0.42 (Revision 117460); Genian NAC Suite V5.0: from V5.0.0 through V5.0.54; Genian ZTNA: from V6.0.0 through V6.0.15.

CWE-311

How to fix

Remediation Available

genian nacNVD

Affected:>= 5.0.0, < 5.0.55Fixed in:5.0.55CVE-2023-40251derived from NVD

genian ztnaNVD

Affected:>= 6.0.0, < 6.0.16Fixed in:6.0.16CVE-2023-40251derived 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 VectorAdjacent

Attack ComplexityLow

Privileges RequiredLow

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.14%probability of exploitation in 30 days

4thpercentile

Low risk: more likely to be exploited than 4% of all known CVEs.

References

Other references1

docs.genians.com

Related Vulnerabilities

Other CWE-311 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2026-27944	Critical	9.8	22%	-	Fix
CVE-2026-34486	High	7.5	16%	-	-
CVE-2019-11367	Critical	9.8	2.8%	-	Fix
CVE-2017-8221	High	7.5	2.7%	-	-
CVE-2016-10593	High	8.1	2.3%	-	-
CVE-2018-10698	Critical	9.8	2.3%	-	-

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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.