CVE-2021-39181

Published on: 09/01/2021 12:00:00 AM UTC

Last Modified on: 09/10/2021 07:41:00 PM UTC

CVE-2021-39181 - advisory for GHSA-596v-3gwh-2m9w

Source: Mitre Source: Nist Print: PDF PDF
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Certain versions of Openolat from Frentix contain the following vulnerability:

OpenOlat is a web-based learning management system (LMS). Prior to version 15.3.18, 15.5.3, and 16.0.0, using a prepared import XML file (e.g. a course) any class on the Java classpath can be instantiated, including spring AOP bean factories. This can be used to execute code arbitrary code by the attacker. The attack requires an OpenOlat user account with the authoring role. It can not be exploited by unregistered users. The problem is fixed in versions 15.3.18, 15.5.3, and 16.0.0. There are no known workarounds aside from upgrading.

  • CVE-2021-39181 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as HIGH severity.
  • Affected Vendor/Software: URL Logo OpenOLAT - OpenOLAT version < 15.3.18
  • Affected Vendor/Software: URL Logo OpenOLAT - OpenOLAT version >= 15.4.0, < 15.5.3

CVSS3 Score: 8.8 - HIGH

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
NETWORK LOW LOW NONE
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
UNCHANGED HIGH HIGH HIGH

CVSS2 Score: 6.5 - MEDIUM

Access
Vector
Access
Complexity
Authentication
NETWORK LOW SINGLE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
PARTIAL PARTIAL PARTIAL

CVE References

Description Tags Link
Log in - OpenOlat Issue Management jira.openolat.org
text/html
URL Logo MISC jira.openolat.org/browse/OO-5548
Unsafe Deserialization of User Data Using XStream · Advisory · OpenOLAT/OpenOLAT · GitHub github.com
text/html
URL Logo CONFIRM github.com/OpenOLAT/OpenOLAT/security/advisories/GHSA-596v-3gwh-2m9w
OO-5548: setup security of XStream by default · OpenOLAT/[email protected] · GitHub github.com
text/html
URL Logo MISC github.com/OpenOLAT/OpenOLAT/commit/3f219ac457afde82e3be57bc614352ab92c05684

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationFrentixOpenolatAllAllAllAll
  • cpe:2.3:a:frentix:openolat:*:*:*:*:*:*:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2021-39181 : OpenOlat is a web-based learning management system LMS . Prior to version 15.3.18, 15.5.3, and 16… twitter.com/i/web/status/1… 2021-09-01 19:47:48
Twitter Icon @LinInfoSec Spring - CVE-2021-39181: github.com/OpenOLAT/OpenO… 2021-09-01 22:15:36
Twitter Icon @SecRiskRptSME RT: CVE-2021-39181 OpenOlat is a web-based learning management system (LMS). Prior to version 15.3.18, 15.5.3, and… twitter.com/i/web/status/1… 2021-09-02 07:34:04
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