Beckhoff Embedded PC Images and TwinCAT Components Improper Restriction of Excessive Authentication Attempts
28Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 9.1epss 4.8%
exploitation probability
4.8%top 9% of all CVEs
observed exploitation
nono source reports it
Beckhoff Embedded PC images before 2014-10-22 and Automation Device Specification (ADS) TwinCAT components do not restrict the number of authentication attempts, which makes it easier for remote attackers to obtain access via a brute-force attack.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Affected products
Beckhoff · Embedded PC ImagesBeckhoff · TwinCAT Components featuring Automation Device Specification (ADS) communicationReferences
https://download.beckhoff.com/download/document/product-security/Advisories/advisory-2014-001.pdfhttps://download.beckhoff.com/download/document/product-security/Advisories/advisory-2014-002.pdfhttps://download.beckhoff.com/download/document/product-security/Advisories/advisory-2014-003.pdfhttps://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2016/icsa-16-278-02.jsonhttps://ics-cert.us-cert.gov/advisories/ICSA-16-278-02https://www.cisa.gov/news-events/ics-advisories/icsa-16-278-02http://www.securityfocus.com/bid/93349