Medium severity5.3NVD Advisory· Published Mar 23, 2021· Updated Jun 17, 2026
CVE-2021-21350
CVE-2021-21350
Description
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 to execute arbitrary code 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. If you rely on XStream's default blacklist of the Security Framework, you will have to use at least version 1.4.16.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
com.thoughtworks.xstream:xstreamMaven | < 1.4.16 | 1.4.16 |
Affected products
52- ghsa-coords9 versionspkg:maven/com.thoughtworks.xstream/xstreampkg:rpm/suse/xstream&distro=SUSE%20Manager%20Server%20Module%204.2pkg:rpm/opensuse/xstream&distro=openSUSE%20Tumbleweedpkg:bitnami/activemqpkg:rpm/opensuse/xstream&distro=openSUSE%20Leap%2015.2pkg:rpm/suse/xstream&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP3pkg:rpm/suse/xstream&distro=SUSE%20Manager%20Server%20Module%204.1pkg:rpm/suse/xstream&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP2pkg:rpm/opensuse/xstream&distro=openSUSE%20Leap%2015.3
< 1.4.16+ 8 more
- (no CPE)range: < 1.4.16
- (no CPE)range: < 1.4.16-3.8.1
- (no CPE)range: < 1.4.18-1.1
- (no CPE)range: < 5.15.14
- (no CPE)range: < 1.4.16-lp152.2.6.1
- (no CPE)range: < 1.4.16-3.8.1
- (no CPE)range: < 1.4.16-3.8.1
- (no CPE)range: < 1.4.16-3.8.1
- (no CPE)range: < 1.4.16-3.8.1
- cpe:2.3:a:netapp:oncommand_insight:-:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*+ 2 more
- 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:oracle:banking_enterprise_default_management:2.10.0:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:oracle:banking_enterprise_default_management:2.10.0:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:banking_enterprise_default_management:2.12.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:banking_platform:2.4.0:*:*:*:*:*:*:*+ 3 more
- cpe:2.3:a:oracle:banking_platform:2.4.0:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:banking_platform:2.7.1:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:banking_platform:2.9.0:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:banking_platform:2.12.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:banking_virtual_account_management:14.2.0:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:oracle:banking_virtual_account_management:14.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:banking_virtual_account_management:14.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:banking_virtual_account_management:14.5.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:business_activity_monitoring:11.1.1.9.0:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:oracle:business_activity_monitoring:11.1.1.9.0:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:business_activity_monitoring:12.2.1.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:business_activity_monitoring:12.2.1.4.0:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:communications_billing_and_revenue_management_elastic_charging_engine:12.0.0.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:communications_policy_management:12.5.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_unified_inventory_management:7.3.2:*:*:*:*:*:*:*+ 4 more
- cpe:2.3:a:oracle:communications_unified_inventory_management:7.3.2:*:*:*:*:*:*:*
- 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:retail_xstore_point_of_service:16.0.6:*:*:*:*:*:*:*+ 3 more
- 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:webcenter_portal:11.1.1.9.0:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:oracle:webcenter_portal:11.1.1.9.0:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:webcenter_portal:12.2.1.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:webcenter_portal:12.2.1.4.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:weblogic_server:12.1.3.0.0:*:*:*:*:*:*:*+ 3 more
- cpe:2.3:a:oracle:weblogic_server:12.1.3.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:weblogic_server:12.2.1.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:weblogic_server:12.2.1.4.0:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:weblogic_server:14.1.1.0.0:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
23- www.oracle.com/security-alerts/cpujan2022.htmlnvdPatchVendor AdvisoryWEB
- x-stream.github.io/CVE-2021-21350.htmlnvdExploitThird Party AdvisoryWEB
- x-stream.github.io/changes.htmlnvdRelease NotesThird Party AdvisoryWEB
- github.com/advisories/GHSA-43gc-mjxg-gvrqghsaADVISORY
- github.com/x-stream/xstream/security/advisories/GHSA-43gc-mjxg-gvrqnvdThird Party AdvisoryWEB
- lists.apache.org/thread.html/r8244fd0831db894d5e89911ded9c72196d395a90ae655414d23ed0dd%40%3Cusers.activemq.apache.org%3EnvdIssue TrackingMailing ListThird Party Advisory
- lists.apache.org/thread.html/r9ac71b047767205aa22e3a08cb33f3e0586de6b2fac48b425c6e16b0%40%3Cdev.jmeter.apache.org%3EnvdIssue TrackingMailing ListThird Party Advisory
- lists.debian.org/debian-lts-announce/2021/04/msg00002.htmlnvdMailing ListThird Party AdvisoryWEB
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/22KVR6B5IZP3BGQ3HPWIO2FWWCKT3DHP/nvdMailing ListThird Party Advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PVPHZA7VW2RRSDCOIPP2W6O5ND254TU7/nvdMailing ListThird Party Advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QGXIU3YDPG6OGTDHMBLAFN7BPBERXREB/nvdMailing ListThird Party Advisory
- nvd.nist.gov/vuln/detail/CVE-2021-21350ghsaADVISORY
- security.netapp.com/advisory/ntap-20210430-0002/nvdThird Party Advisory
- www.debian.org/security/2021/dsa-5004nvdMailing ListThird Party AdvisoryWEB
- www.oracle.com//security-alerts/cpujul2021.htmlnvdThird Party AdvisoryWEB
- www.oracle.com/security-alerts/cpuoct2021.htmlnvdThird Party AdvisoryWEB
- x-stream.github.io/security.htmlnvdMitigationThird Party AdvisoryWEB
- lists.apache.org/thread.html/r8244fd0831db894d5e89911ded9c72196d395a90ae655414d23ed0dd@%3Cusers.activemq.apache.org%3EghsaWEB
- lists.apache.org/thread.html/r9ac71b047767205aa22e3a08cb33f3e0586de6b2fac48b425c6e16b0@%3Cdev.jmeter.apache.org%3EghsaWEB
- lists.fedoraproject.org/archives/list/[email protected]/message/22KVR6B5IZP3BGQ3HPWIO2FWWCKT3DHPghsaWEB
- lists.fedoraproject.org/archives/list/[email protected]/message/PVPHZA7VW2RRSDCOIPP2W6O5ND254TU7ghsaWEB
- lists.fedoraproject.org/archives/list/[email protected]/message/QGXIU3YDPG6OGTDHMBLAFN7BPBERXREBghsaWEB
- security.netapp.com/advisory/ntap-20210430-0002ghsaWEB
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