Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
None
Privileges Required
Low
Attack Vector
Network
0

CVE-2021-39150

Disclosure Date: August 23, 2021 •
CVE-2021-39150 CVSS v3 Base Score: 8.5
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Description

XStream is a simple library to serialize objects to XML and back again. In affected versions this vulnerability may allow a remote attacker to request data from internal resources that are not publicly available only by manipulating the processed input stream with a Java runtime version 14 to 8. No user is affected, who followed the recommendation to setup XStream’s security framework with a whitelist limited to the minimal required types. If you rely on XStream’s default blacklist of the Security Framework, you will have to use at least version 1.4.18.

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CVSS V3 Severity and Metrics
Base Score:
8.5 High
Impact Score:
6
Exploitability Score:
1.8
Vector:
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack Vector (AV):
Network
Attack Complexity (AC):
High
Privileges Required (PR):
Low
User Interaction (UI):
None
Scope (S):
Changed
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High

General Information

Offensive Application
Unknown
Utility Class
Unknown
Ports
Unknown
OS
Unknown
Vulnerable Versions
xstream < 1.4.18
Prerequisites
Unknown
Discovered By
Unknown
PoC Author
Unknown
Metasploit Module
Unknown
Reporter
Unknown

Vendors

  • debian,
  • fedoraproject,
  • netapp,
  • oracle,
  • xstream project

Products

  • business activity monitoring 12.2.1.4.0,
  • commerce guided search 11.3.2,
  • communications billing and revenue management elastic charging engine 11.3,
  • communications billing and revenue management elastic charging engine 12.0,
  • communications cloud native core automated test suite 1.9.0,
  • communications cloud native core binding support function 1.10.0,
  • communications cloud native core policy 1.14.0,
  • communications unified inventory management 7.3.4,
  • communications unified inventory management 7.3.5,
  • communications unified inventory management 7.4.0,
  • communications unified inventory management 7.4.1,
  • communications unified inventory management 7.4.2,
  • debian linux 10.0,
  • debian linux 11.0,
  • debian linux 9.0,
  • fedora 33,
  • fedora 34,
  • fedora 35,
  • retail xstore point of service 16.0.6,
  • retail xstore point of service 17.0.4,
  • retail xstore point of service 18.0.3,
  • retail xstore point of service 19.0.2,
  • retail xstore point of service 20.0.1,
  • snapmanager -,
  • utilities framework 4.2.0.2.0,
  • utilities framework 4.2.0.3.0,
  • utilities framework 4.3.0.1.0,
  • utilities framework 4.3.0.6.0,
  • utilities framework 4.4.0.0.0,
  • utilities framework 4.4.0.2.0,
  • utilities framework 4.4.0.3.0,
  • utilities testing accelerator 6.0.0.1.1,
  • webcenter portal 12.2.1.3.0,
  • webcenter portal 12.2.1.4.0,
  • xstream
Technical Analysis