CVE-2023-33276

Name: CVE-2023-33276
Creator: NVD / NIST
Published: 2023-06-30T14:15:09.427+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.42%

Last modified Jun 17, 2026

CVE-2023-33276 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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. EPSS estimates a 0.42% chance of exploitation in the next 30 days.

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).

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

0.42%

33.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Gira	Knx Ip Router Firmware	3.1.3683.0
Gira	Knx Ip Router Firmware	3.3.8.0

References

https://www.syss.de/en/responsible-disclosure-policyNot Applicable
https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2023-016.txtExploit, Third Party Advisory
https://www.syss.de/en/responsible-disclosure-policyNot Applicable
https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2023-016.txtExploit, Third Party Advisory

Timeline

Published: Jun 30, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-33276?

How severe is CVE-2023-33276?

CVE-2023-33276 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.42% probability of exploitation in the next 30 days.

How do I fix CVE-2023-33276?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-33276?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST