A flaw in Log4j, a Java library for logging error messages in applications, is the most high-profile security vulnerability on the internet right now and comes with a severity score of 10 out of 10.
The Log4j library is developed by the open-source Apache Software Foundation and is a key Java-logging framework. Since last week’s alert by CERT New Zealand that CVE-2021-44228, a remote code execution flaw in Log4j, was already being exploited in the wild, warnings have been issued by several national cybersecurity agencies, including the Cybersecurity and Infrastructure Security Agency (CISA).
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Affected Windchill versions that need immediate action:
- Windchill 188.8.131.52
- Windchill 184.108.40.206
- Windchill 220.127.116.11
Windchill 11.1 M020 and older versions are not affected by the recently found Log4j security vulnerability and no action is required.
Affected Navigate versions that need immediate action:
- ThingWorx Navigate 9.1
- ThingWorx Navigate 9.2
The following Windchill versions are affected by SOLR installation:
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|WINDCHILL VERSION||SOLR VERSION||LOG4J VERSION TO REMOVE|
|Windchill 11.1 M020 CPS20 through CPS22||8.9.0||2.13.2|
|Windchill 11.1 M020 CPS18 through CPS19||8.8.1|
|Windchill 11.1 M020 CPS15 through CPS17||8.6.1|
|Windchill 11.1 M020 CPS12 through CPS14||8.4.1||2.11.2|
|Windchill 11.1 M020 CPS10 through CPS11||8.2.0|
|Windchill 11.1 M020 CPS03 through CPS09||7.6.0||2.11.0|
|Windchill 11.1 M020 F000 through CPS02||7.4.0|
|Windchill 18.104.22.168 through 22.214.171.124||8.9.0|
Ongoing updates from PTC
PTC has provided an “living” landing page for customers wanting more information:
Additional articles with more details and step-by-step instructions to remediate the vulnerability: