SARA / Free Tools / CVE / CVE-2020-12511

CVE-2020-12511 — Pepperl+Fuchs Comtrol IO-Link Master in Version 1

Pepperl+Fuchs Comtrol IO-Link Master in Version 1.5.48 and below is prone to a Cross-Site Request Forgery (CSRF) in the web interface.

CVSS

8.8 HIGH

EPSS

0.14% (top 66.10%)

CWE

CWE-352

Published

2021-01-22T19:01:56.348Z

Last modified

2024-09-17T01:12:08.951Z

CVSS vector

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

01What is this vulnerability?

Pepperl+Fuchs Comtrol IO-Link Master in Version 1.5.48 and below is prone to a Cross-Site Request Forgery (CSRF) in the web interface.

Vendor	Product	Versions
Pepper+Fuchs	Comtrol IO	Link Master — unspecified

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

Patch to a fixed version listed in the vendor advisory (see references below).
Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
Hunt historical logs for exploitation indicators — see Detection signatures below.

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

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