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CVE-2026-4293

23
FAUCET Score

The affected Kieback & Peter DDC building controllers are vulnerable to cross-site scripting, enabling JavaScript to be executed by the victim's browser, which allows the attacker to control the browser.

First published: May 20, 2026Last modified: May 20, 2026

Impacted Technologies

VendorProductVersion(s)CPE
Kieback & PeterDDC4002
>= 0, <= 1.12.14CNA affecteddefault unaffected
Kieback & PeterDDC4002e
>= 0, <= 1.23.4CNA affecteddefault unaffected
Kieback & PeterDDC4020e
>= 0, <= 1.23.4CNA affecteddefault unaffected
Kieback & PeterDDC4040e
>= 0, <= 1.23.4CNA affecteddefault unaffected
Kieback & PeterDDC4100
>= 0, <= 1.12.14CNA affecteddefault unaffected

CVSS Data

CVSS version used by this source: 3.1

5.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.27%
Probability of exploitation in next 30 days
EPSS Percentile
19.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0027 is in the 9th percentile among its peer group of 23,725 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Remediation records are not available for this CVE.

References

github.com / cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-139-05.json
cisa.gov / news-events/ics-advisories/icsa-26-139-05