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  5. CVE-2021-29505

CVE-2021-29505: XStream is vulnerable to a Remote Command Execution attack

May 18, 2021 (updated May 30, 2025)

XStream is software for serializing Java objects to XML and back again. A vulnerability in XStream may allow a remote attacker who has sufficient rights to execute commands of the host only by manipulating the processed input stream.

References

  • github.com/advisories/GHSA-7chv-rrw6-w6fc
  • github.com/x-stream/xstream
  • github.com/x-stream/xstream/commit/24fac82191292c6ae25f94508d28b9823f83624f
  • github.com/x-stream/xstream/commit/f0c4a8d861b68ffc3119cfbbbd632deee624e227
  • github.com/x-stream/xstream/security/advisories/GHSA-7chv-rrw6-w6fc
  • lists.apache.org/thread.html/r8ee51debf7fd184b6a6b020dc31df25118b0aa612885f12fbe77f04f%40%3Cdev.jmeter.apache.org%3E
  • lists.apache.org/thread.html/r8ee51debf7fd184b6a6b020dc31df25118b0aa612885f12fbe77f04f@%3Cdev.jmeter.apache.org%3E
  • lists.debian.org/debian-lts-announce/2021/07/msg00004.html
  • lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/22KVR6B5IZP3BGQ3HPWIO2FWWCKT3DHP
  • lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PVPHZA7VW2RRSDCOIPP2W6O5ND254TU7
  • lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QGXIU3YDPG6OGTDHMBLAFN7BPBERXREB
  • lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/22KVR6B5IZP3BGQ3HPWIO2FWWCKT3DHP
  • lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PVPHZA7VW2RRSDCOIPP2W6O5ND254TU7
  • lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QGXIU3YDPG6OGTDHMBLAFN7BPBERXREB
  • nvd.nist.gov/vuln/detail/CVE-2021-29505
  • security.netapp.com/advisory/ntap-20210708-0007
  • www.debian.org/security/2021/dsa-5004
  • www.oracle.com/security-alerts/cpuapr2022.html
  • www.oracle.com/security-alerts/cpujan2022.html
  • www.oracle.com/security-alerts/cpujul2022.html
  • www.oracle.com/security-alerts/cpuoct2021.html
  • x-stream.github.io/CVE-2021-29505.html

Code Behaviors & Features

Detect and mitigate CVE-2021-29505 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Learn more about Dependency Scanning →

Affected versions

All versions before 1.4.17

Fixed versions

  • 1.4.17

Solution

Upgrade to version 1.4.17 or above.

Impact 7.5 HIGH

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Learn more about CVSS

Weakness

  • CWE-502: Deserialization of Untrusted Data
  • CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
  • CWE-94: Improper Control of Generation of Code ('Code Injection')

Source file

maven/com.thoughtworks.xstream/xstream/CVE-2021-29505.yml

Spotted a mistake? Edit the file on GitLab.

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