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CVE-2021-21344

Published: Mar 22, 2021Updated: May 23, 2025 Sources: CVE List NVD GHSA BDUCWE-434
5.3CVSSMEDIUM

Description

XStream is vulnerable to an Arbitrary Code Execution attack

CVSS Vector Breakdown

AV:NAC:HPR:NUI:RS:UC:NI:HA:N
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:HIntegrity
High
A:NAvailability
None

Weaknesses

Affected Products

mavenpackage-ecosystemOSS Libraries
x-streamoss-projectOSS Librariesaka xstream
apacheoss-projectUSWeb & CMS Pluginsaka apache http server, apache httpd
and 45 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available
Workaround Available

MITRE ATT&CK

5 techniques
Command and Control
Execution
Initial Access
Persistence
View detailed technique mapping

References

and 38 more references View all →

Timeline

Published
Mar 22, 2021
Last Updated
May 23, 2025

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