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 metacharacters in the ipaddr params JSON data for the put method.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 15.2%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.
Description
In Vitogate 300 2.1.3.0, /cgi-bin/vitogate.cgi allows an unauthenticated attacker to bypass authentication and execute arbitrary commands via shell metacharacters in the ipaddr params JSON data for the put method.
- 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
- 15.25% probability · 97th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-77
- Affected
- viessmann/vitogate 300 firmware
- Source
- cve@mitre.org
EPSS moved from 15.2% on 15 October 2026 to 15.2% on 26 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
- https://connectivity.viessmann.com/gb/mp-fp/vitogate/vitogate-300-bn-mb.htmlProduct
- https://github.com/Push3AX/vul/blob/main/viessmann/Vitogate300_RCE.mdExploit, Third Party Advisory
- https://connectivity.viessmann.com/gb/mp-fp/vitogate/vitogate-300-bn-mb.htmlProduct
- https://github.com/Push3AX/vul/blob/main/viessmann/Vitogate300_RCE.mdExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.