RCE in Apache Activemq

CVE-2020-26217

XStream before version 1.4.14 is vulnerable to Remote Code Execution.The vulnerability may allow a remote attacker to run arbitrary shell commands only by manipulating the processed input stream. Only users who rely on blocklists are affected. Anyone using XStream's Security Framework allowlist is not affected. The linked advisory provides code workarounds for users who cannot upgrade. The issue is fixed in version 1.4.14.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.850 (99.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-26217?
CVE-2020-26217 is a high-severity vulnerability in Apache Activemq, classified under OS Command Injection. CVSS score: 8.0/10. Published 2020-11-16.
How severe is CVE-2020-26217?
High severity. CVSS v3 base score is 8.0 out of 10.
Is CVE-2020-26217 known to be exploited?
30 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.