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UK Cyber Defence
VulnerabilityModified

CVE-2023-5222

A vulnerability classified as critical was found in Viessmann Vitogate 300 up to 2.1.3.0.

CRITICAL 9.8EPSS 74.5%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 74.5%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.

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.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
74.52% probability · 99th percentile
CISA KEV
Not listed
Weakness
CWE-259
Affected
viessmann/vitogate 300 firmware
Source
cna@vuldb.com

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.