All vulnerabilities

Servers and applications

CVE-2021-21345

XStream is a Java library to serialize objects to XML and back again. In XStream before version 1.4.16, there is a vulnerability which may allow a remote attacker who has sufficient rights to execute commands of the host only by manipulating the processed input stream. No user is affected, who followed the recommendation to setup XStream's security framework with a whitelist limited to the…

Severity
Critical 9.9
Published
23 Mar 2021
Last changed
7 Oct 2026
Added to UpHeron
1 Nov 2026
Fixed in
5.15.14
Sources
NVD

Affected software

SoftwareAffected versions
Apache ActiveMQServers and applications · cpe:a:apache:activemq
  • Every version before 5.15.14
  • Version 5.16.0
  • Version 5.16.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-21345
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-21345