CVE-2021-39141 | XStream deserialization
|CVSS Meta Temp Score
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|CTI Interest Score
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A vulnerability classified as critical was found in XStream up to 1.4.17. This vulnerability affects an unknown function. The manipulation with an unknown input leads to a privilege escalation vulnerability. The CWE definition for the vulnerability is CWE-502. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
XStream is a simple library to serialize objects to XML and back again. In affected versions this vulnerability may allow a remote attacker to load and execute arbitrary code from a remote 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.
The weakness was disclosed 08/24/2021. The advisory is available at github.com. This vulnerability was named CVE-2021-39141 since 08/16/2021. The exploitation appears to be difficult. The attack can be initiated remotely. The successful exploitation requires a single authentication. The technical details are unknown and an exploit is not available.
Upgrading to version 1.4.18 eliminates this vulnerability.
VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 4.8
Status: Not defined
0-Day Time: 🔒
Upgrade: XStream 1.4.18
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