Vulnerability Details : CVE-2021-21351

XStream is a Java library to serialize objects to XML and back again. In XStream before version 1.4.16, there is a 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. If you rely on XStream's default blacklist of the Security Framework, you will have to use at least version 1.4.16.
Published 2021-03-23 00:15:13
Updated 2022-02-16 15:00:29
Source GitHub, Inc.
View at NVD,   CVE.org
Vulnerability category: Execute code

Exploit prediction scoring system (EPSS) score for CVE-2021-21351

EPSS FAQ
60.46%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 98 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-21351

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
6.5
 MEDIUM AV:N/AC:L/Au:S/C:P/I:P/A:P
8.0
6.4
 NIST
9.1
 CRITICAL CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
2.3
6.0
 NIST
5.4
 MEDIUM CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:N/I:H/A:N
1.0
4.0
 GitHub, Inc.

CWE ids for CVE-2021-21351

References for CVE-2021-21351

Products affected by CVE-2021-21351

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