CVE-2020-26118

Description

In SmartBear Collaborator Server through 13.3.13302, use of the Google Web Toolkit (GWT) API introduces a post-authentication Java deserialization vulnerability. The application's UpdateMemento class accepts a serialized Java object directly from the user without properly sanitizing it. A malicious object can be submitted to the server via an authenticated attacker to execute commands on the underlying system.

CVSS Version 3.1

nvd

CVE ID: CVE-2020-26118
Base Score: 8.8
Base Severity: HIGH
Vector String:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 2.8

mitre

CVE ID: CVE-2020-26118
Base Score: 8.8
Base Severity: HIGH
Vector String:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 2.8

CVSS Version 2.0

nvd

CVE ID: CVE-2020-26118
Base Score: 9.0
Base Severity: HIGH
Vector String:AV:N/AC:L/Au:S/C:C/I:C/A:C

Refrence: NVDMITRE