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cvelistGitHub_MCVELIST:CVE-2021-21346
HistoryMar 22, 2021 - 11:40 p.m.

CVE-2021-21346 XStream is vulnerable to an Arbitrary Code Execution attack

2021-03-2223:40:20
CWE-434
CWE-502
GitHub_M
www.cve.org
1

6.1 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:H/A:N

9.9 High

AI Score

Confidence

High

0.015 Low

EPSS

Percentile

87.2%

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.

CNA Affected

[
  {
    "product": "xstream",
    "vendor": "x-stream",
    "versions": [
      {
        "status": "affected",
        "version": "< 1.4.16"
      }
    ]
  }
]

References

6.1 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:H/A:N

9.9 High

AI Score

Confidence

High

0.015 Low

EPSS

Percentile

87.2%