Vulnerability Details : CVE-2021-21347

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 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 14:58:02
Source GitHub, Inc.
View at NVD,   CVE.org
Vulnerability category: Execute code

Products affected by CVE-2021-21347

Exploit prediction scoring system (EPSS) score for CVE-2021-21347

EPSS FAQ
1.80%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 88 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-21347

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.5
 HIGH AV:N/AC:L/Au:N/C:P/I:P/A:P
10.0
6.4
 NIST
9.8
 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.9
5.9
 NIST
6.1
 MEDIUM CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:H/A:N
1.6
4.0
 GitHub, Inc.

CWE ids for CVE-2021-21347

  • The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.
    Assigned by:
    • nvd@nist.gov (Secondary)
    • security-advisories@github.com (Primary)
  • The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid.
    Assigned by:
    • nvd@nist.gov (Secondary)
    • security-advisories@github.com (Primary)

References for CVE-2021-21347

Jump to
This web site uses cookies for managing your session, storing preferences, website analytics and additional purposes described in our privacy policy.
By using this web site you are agreeing to CVEdetails.com terms of use!
Accept Close