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CVE-2021-39144

HIGH · CVSS 8.5 · Analyzed

Published: 2021-08-23 · Updated: 2026-06-17 · Source: NVD

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Vulnerability overview

XStream is a simple library to serialize objects to XML and back again. In affected versions this vulnerability may allow a remote attacker 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 minimal required types. XStream 1.4.18 uses no longer a blacklist by default, since it cannot be secured for general purpose.

Severity and scoring

CVSS score
8.5 · HIGH
CVSS version
3.1
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Weaknesses
CWE-306, CWE-502, CWE-94

CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.

Known exploitation and remediation

Listed in CISA’s Known Exploited Vulnerabilities catalog.

Affected product
XStream · XStream
Added to catalog
2023-03-10
Required action
Apply updates per vendor instructions.
CISA remediation due date
2023-03-31

CISA deadlines apply to the organizations covered by its directives. Confirm your own remediation requirements.

Verify affected versions and patch availability in the vendor advisory before making changes.

Affected products and versions

  • cpe:2.3:a:xstream:xstream:*:*:*:*:*:*:*:*

    Before (exclusive): 1.4.18

  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

  • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

  • cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

  • cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*

  • cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*

  • cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*

  • cpe:2.3:a:netapp:snapmanager:-:*:*:*:*:oracle:*:*

  • cpe:2.3:a:netapp:snapmanager:-:*:*:*:*:sap:*:*

  • cpe:2.3:a:oracle:business_activity_monitoring:12.2.1.4.0:*:*:*:*:*:*:*

  • cpe:2.3:a:oracle:commerce_guided_search:11.3.2:*:*:*:*:*:*:*

  • cpe:2.3:a:oracle:communications_billing_and_revenue_management_elastic_charging_engine:11.3:*:*:*:*:*:*:*

  • cpe:2.3:a:oracle:communications_billing_and_revenue_management_elastic_charging_engine:12.0:*:*:*:*:*:*:*

  • cpe:2.3:a:oracle:communications_cloud_native_core_automated_test_suite:1.9.0:*:*:*:*:*:*:*

  • cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:1.10.0:*:*:*:*:*:*:*

  • cpe:2.3:a:oracle:communications_cloud_native_core_policy:1.14.0:*:*:*:*:*:*:*

  • cpe:2.3:a:oracle:communications_unified_inventory_management:7.3.4:*:*:*:*:*:*:*

  • cpe:2.3:a:oracle:communications_unified_inventory_management:7.3.5:*:*:*:*:*:*:*

  • cpe:2.3:a:oracle:communications_unified_inventory_management:7.4.0:*:*:*:*:*:*:*

  • cpe:2.3:a:oracle:communications_unified_inventory_management:7.4.1:*:*:*:*:*:*:*

  • cpe:2.3:a:oracle:communications_unified_inventory_management:7.4.2:*:*:*:*:*:*:*

  • cpe:2.3:a:oracle:retail_xstore_point_of_service:16.0.6:*:*:*:*:*:*:*

  • cpe:2.3:a:oracle:retail_xstore_point_of_service:17.0.4:*:*:*:*:*:*:*

  • cpe:2.3:a:oracle:retail_xstore_point_of_service:18.0.3:*:*:*:*:*:*:*

  • cpe:2.3:a:oracle:retail_xstore_point_of_service:19.0.2:*:*:*:*:*:*:*

  • cpe:2.3:a:oracle:retail_xstore_point_of_service:20.0.1:*:*:*:*:*:*:*

  • cpe:2.3:a:oracle:utilities_framework:4.2.0.2.0:*:*:*:*:*:*:*

  • cpe:2.3:a:oracle:utilities_framework:4.2.0.3.0:*:*:*:*:*:*:*

  • cpe:2.3:a:oracle:utilities_framework:4.3.0.1.0:*:*:*:*:*:*:*

  • cpe:2.3:a:oracle:utilities_framework:4.3.0.6.0:*:*:*:*:*:*:*

  • cpe:2.3:a:oracle:utilities_framework:4.4.0.0.0:*:*:*:*:*:*:*

  • cpe:2.3:a:oracle:utilities_framework:4.4.0.2.0:*:*:*:*:*:*:*

  • cpe:2.3:a:oracle:utilities_framework:4.4.0.3.0:*:*:*:*:*:*:*

  • cpe:2.3:a:oracle:utilities_testing_accelerator:6.0.0.1.1:*:*:*:*:*:*:*

  • cpe:2.3:a:oracle:webcenter_portal:12.2.1.3.0:*:*:*:*:*:*:*

  • cpe:2.3:a:oracle:webcenter_portal:12.2.1.4.0:*:*:*:*:*:*:*

These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.

Advisories and references

Explore official sources

Read the official NVD record ↗

Explore the CISA catalog ↗

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