What’s Vulnerable › Vulnerabilities

CVE-2023-33276

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-06-30 · updated 2026-06-17
• Weakness: CWE-79

Description

The web interface of Gira Giersiepen Gira KNX/IP-Router 3.1.3683.0 and 3.3.8.0 responds with a "404 - Not Found" status code if a path is accessed that does not exist. However, the value of the path is reflected in the response. As the application will reflect the supplied path without context-sensitive HTML encoding, it is vulnerable to reflective cross-site scripting (XSS).

Affected products

• Gira Knx Ip Router Firmware: 3.1.3683.0, 3.3.8.0

References

• https://www.syss.de/en/responsible-disclosure-policy
• https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2023-016.txt
• https://www.syss.de/en/responsible-disclosure-policy
• https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2023-016.txt

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