CVE-2021-21346: XStream is vulnerable to an Arbitrary Code Execution attack

CVE-2021-21346 · Severity: low · CVSS 3.1 · Published 2021-03-22

XStream is vulnerable to an Arbitrary Code Execution attack

Technologies: com.thoughtworks.xstream:xstream (Maven). Vendors: Maven.

Quick answers

Is CVE-2021-21346 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2021-21346 being exploited in the wild.
How severe is CVE-2021-21346?
Low severity, with a CVSS score of 3.1, published 22 March 2021.
Which products and versions are affected?
com.thoughtworks.xstream:xstream (Maven) ECOSYSTEM:introduced=0,fixed=1.4.16.
Is there a fix for CVE-2021-21346?
Yes. com.thoughtworks.xstream:xstream (Maven): upgrade to 1.4.16 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2021-21346?
Check whether you run com.thoughtworks.xstream:xstream (Maven) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • com.thoughtworks.xstream:xstream (Maven): upgrade to 1.4.16 or later
    # set com.thoughtworks.xstream:xstream to 1.4.16 in your pom.xml or build.gradle

Affected products

  • com.thoughtworks.xstream:xstream (Maven) ECOSYSTEM:introduced=0,fixed=1.4.16

Identifiers

  • CVE-2021-21346
  • GHSA-4hrm-m67v-5cxr

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