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CVE-2023-33276

20
FAUCET Score

CVE-2023-33276 describes a reflective Cross-Site Scripting (XSS) vulnerability in the web interface of Gira KNX/IP-Router versions 3.1.3683.0 and 3.3.8.0. This medium-severity vulnerability (CVSS 6.1) allows an attacker to inject malicious scripts into a user's browser by manipulating a non-existent path, which is then reflected without proper HTML encoding. While the attack vector is network-based and low complexity, it requires user interaction (UI:R) and could lead to limited confidentiality and integrity impacts (C:L/I:L). There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
3.1.3683.0CPE matchmatch criteria
cpe:2.3:o:gira:knx_ip_router_firmware:3.1.3683.0:*:*:*:*:*:*:*
3.3.8.0CPE matchmatch criteria
cpe:2.3:o:gira:knx_ip_router_firmware:3.3.8.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.1MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.48%
Probability of exploitation in next 30 days
EPSS Percentile
38.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0048 is in the 40th percentile among its peer group of 26,208 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

syss.de / en/responsible-disclosure-policy
Not Applicable
syss.de / fileadmin/dokumente/Publikationen/Advisories/SYSS-2023-016.txt
ExploitThird Party Advisory