Viessmann vendor intelligence
Viessmann Known Exploited Vulnerabilities
Track evidence-backed exploitation affecting Viessmann products, including the gap beyond CISA KEV, confidence assessments, sensor observations, and practical response context.
- Total KEVs
- 2
- Known exploited vulnerabilities affecting Viessmann products
- In CISA KEV
- 0
- Records also listed in the official catalog
- Beyond CISA KEV
- 2
- Additional exploited CVEs absent from CISA KEV
- Sensor Observed
- 0
- Viessmann KEVs with sensor-observed exploitation activity
The catalog gap matters for Viessmann exposure
Two of the two exploited Viessmann CVEs tracked here are not in CISA KEV. Teams relying on the official catalog alone would miss 100% of this vendor portfolio.
- 0%
- Covered by CISA
- 100%
- Beyond CISA
- 1
- Product families
Attested Viessmann CVEs
Search the exploited-vulnerability portfolio, then narrow it to official CISA coverage or the additional records KEV Intelligence tracks beyond the catalog.
How exploitation is verified| CVE / description | Product | Confidence | CISA KEV | Added |
|---|---|---|---|---|
|
CVE-2023-5222
Viessmann Vitogate 300 Web Management Interface vitogate.cgi isValidUser hard-coded password |
Vitogate 300 | High | Beyond CISA | 05 Oct 2025 |
|
CVE-2023-45852
In Vitogate 300 2.1.3.0, /cgi-bin/vitogate.cgi allows an unauthenticated attacker to bypass authentication and execute arbitrary commands via shell... |
Vitogate 300 | High | Beyond CISA | 29 Jul 2025 |
No Viessmann CVEs match this search or filter.
Showing 2 of 2 Viessmann known exploited vulnerabilities.
Recurring weakness patterns
Use and neutralization account for two mapped occurrences across this Viessmann KEV portfolio.
Early warning alerts
Get alerts on high-impact exploitation
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