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CVE-2021-21342
CVE ID
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CVE-2021-21342
MITRE ATT&CK
Collection
Command and Control
Credential Access
Defense Evasion
Discovery
Execution
Exfiltration
Impact
Initial Access
Lateral Movement
Persistence
Privilege Escalation
Topic Tags
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 where the processed stream at unmarshalling time contains type information to recreate the formerly written objects. XStream creates therefore new instances based on these type information. An attacker can manipulate the processed input stream and replace or inject objects, that result in a server-side forgery request. 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.
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CVSS V3 Severity and Metrics
General Information
Vendors
- debian,
- fedoraproject,
- oracle,
- xstream project
Products
- banking enterprise default management 2.10.0,
- banking enterprise default management 2.12.0,
- banking platform 2.12.0,
- banking platform 2.4.0,
- banking platform 2.7.1,
- banking platform 2.9.0,
- banking virtual account management 14.2.0,
- banking virtual account management 14.3.0,
- banking virtual account management 14.5.0,
- business activity monitoring 11.1.1.9.0,
- business activity monitoring 12.2.1.3.0,
- business activity monitoring 12.2.1.4.0,
- communications brm - elastic charging engine 12.0.0.3,
- communications policy management 12.5.0,
- communications unified inventory management 7.3.2,
- communications unified inventory management 7.3.4,
- communications unified inventory management 7.3.5,
- communications unified inventory management 7.4.0,
- communications unified inventory management 7.4.1,
- debian linux 10.0,
- debian linux 11.0,
- debian linux 9.0,
- fedora 33,
- fedora 34,
- fedora 35,
- retail xstore point of service 16.0.6,
- retail xstore point of service 17.0.4,
- retail xstore point of service 18.0.3,
- retail xstore point of service 19.0.2,
- webcenter portal 11.1.1.9.0,
- webcenter portal 12.2.1.3.0,
- webcenter portal 12.2.1.4.0,
- xstream
References
Advisory
Miscellaneous
Additional Info
Technical Analysis
Report as Emergent Threat Response
Report as Exploited in the Wild
CVE ID
AttackerKB requires a CVE ID in order to pull vulnerability data and references from the CVE list and the National Vulnerability Database. If available, please supply below: