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Vulnerability DatabaseCVE-2020-26118

CVE-2020-26118: 
SmartBear Collaborator Server vulnerability analysis and mitigation

Overview

In SmartBear Collaborator Server through 13.3.13302, a post-authentication Java deserialization vulnerability exists in the Google Web Toolkit (GWT) API implementation. The vulnerability was disclosed on January 11, 2021. The application's UpdateMemento class accepts serialized Java objects from authenticated users without proper sanitization (NVD).

Technical details

The vulnerability is related to improper handling of serialized Java objects in the UpdateMemento class. The CVSS v3.1 base score is 8.8 (HIGH) with vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. The vulnerability is classified as CWE-502: Deserialization of Untrusted Data (NVD).

Impact

If exploited, this vulnerability allows authenticated attackers to execute commands on the underlying system through submission of malicious serialized Java objects (NVD).

Exploitability

The vulnerability requires authentication to exploit, as it is a post-authentication vulnerability. An authenticated attacker can submit malicious serialized Java objects to execute commands on the system (NVD).

Mitigation and workarounds

The vulnerability affects SmartBear Collaborator Server versions through 13.3.13302. Users should upgrade to a patched version of the software (SmartBear Release Notes).

Additional resources

Source: This report was generated using AI

Related SmartBear Collaborator Server vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2020-26118HIGH8.8
  • SmartBear Collaborator Server logoSmartBear Collaborator Server
  • cpe:2.3:a:smartbear:collaborator
NoYesJan 11, 2021
CVE-2021-41657MEDIUM6.1
  • SmartBear Collaborator Server logoSmartBear Collaborator Server
  • cpe:2.3:a:smartbear:collaborator
NoYesMar 10, 2022

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