Is CVE-2023-5222 in the CISA KEV catalog?

No. CVE-2023-5222 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-5222?

CVE-2023-5222 has a CVSS v3 base score of 6.3 (MEDIUM).

What is the EPSS score for CVE-2023-5222?

CVE-2023-5222 has an EPSS score of 74.52% (99th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2023-5222?

No published fix for CVE-2023-5222 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2023-5222

MEDIUMEPSS 99th pctl

6.3

CVSS v3

NVD

Description

A vulnerability classified as critical was found in Viessmann Vitogate 300 up to 2.1.3.0. This vulnerability affects the function isValidUser of the file /cgi-bin/vitogate.cgi of the component Web Management Interface. The manipulation leads to use of hard-coded password. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-240364. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

CWE-259

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

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CVSS v3 Vector

Exploitability

Attack VectorAdjacent

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityLow

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

Exploit Intelligence

74.52%probability of exploitation in 30 days

99thpercentile

Very high risk: more likely to be exploited than 99% of all known CVEs.

References

Exploit1

github.com

Third-Party Advisory2

Related Vulnerabilities

Other CWE-259 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-7332	Critical	9.8	21%	-	-
CVE-2012-5862	High	10.0	12%	-	-
CVE-2023-51629	High	8.8	3.9%	-	Fix
CVE-2025-8730	Critical	9.8	3.2%	-	-
CVE-2023-2645	Critical	9.8	3.2%	-	-
CVE-2025-57788	Medium	6.5	2.7%	-	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.