Article - CS359011

Apache Log4j 2.x Security Vulnerability Impact on Solr (Windchill)

Modified: 10-Jan-2022   


Applies To

  • Windchill PDMLink 11.1 M020
  • Windchill PDMLink 11.2.1.0
  • Windchill PDMLink 12.0.2.0
  • Windchill PDMLink 11.0 M030

Description

Last Update:  1/10/2022 6:00PM EST (see version history below)

A critical zero-day vulnerability has been reported in the 3rd party library log4j. This article has been created to provide customers with information and recommended actions related to Solr, as a 3rd party supported integrated product with Windchill.

The analysis and investigation are on-going.  As new vulnerabilities in Apache log4j are reported or new recommended mitigations are identified, this article will be updated.  Check this article regularly for additional updates to ensure you have the latest details.

CVE-2021-44228
Base CVSS Score: 10.0 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

The following vulnerability has been reported which is related to the above CVE; however, it is recommended to also address on priority.
CVE-2021-45046
Base CVSS Score:9.0   CVS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Vulnerable Apache log4j versions for the CVEs above:  all versions from 2.0-beta9 to 2.15.0

The following CVE was reported by Apache against log4j versions 2.0-beta to 2.16:
CVE-2021-45105
Base CVSS Score:7.5   CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

The following CVE was reported by Apache against Log4j 2.17:
CVE-2021-44832
Base CVSS Score:6.6  CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Vulnerable Apache Log4j versions for the CVE: 2.0-beta7 to 2.17.0

Refer to Apache article for more details:
https://logging.apache.org/log4j/2.x/security.html

Version History Updates:
Date & Time of UpdateComments
12/14/2021 6:00 PM ESTInitial Content
12/15/2021 6:00 PM ESTUpdated to include CVE-2021-45046 and
clarity on provided workaround
12/16/20121 4:00PM ESTUpdate Resolution with new recomended workaround and additional version details
12/20/2021Added CVE-2021-45105
Added note for Prometheus Exporter
Updated workaround steps to address questions
12/21/2021General spelling and wording updates
Clarification for step 3 in resolution for both Standalone and Cloud mode
12/22/2021Clarified note for Prometheus Exporter of Solr
12/23/2021Added CVE-2021-45105 remediation information
12/29/2021Updated to include CVE-2021-44832
Updated to include Windchill 11.0 M030
1/3/2022Corrected typos in text/hyperlinks
1/5/2022Clarified upgrade steps for both standalone and cloud mode
1/7/2022Updated analysis from Lucidworks for CVE-2021-44832
1/10/2022Clarified upgrade steps for standalone mode
This is a PDF version of Article CS359011 and may be out of date. For the latest version click https://www.ptc.com/en/support/article/CS359011