PoC Index

CVE-2021-21344

CRITICAL 9.8EPSS 76.0%

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.

CVSS v3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v3.1
5.3 MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
CVSS v3.1
5.3 MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
CVSS v2.0
7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS
75.98% chance of exploitation in the next 30 days, 99th percentile
Published
2021-03-22
Updated
2024-08-03

Exploit collections (1)

References

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