Risk Letters

Exploited vulnerability

CVE-2023-46604

TLP:CLEAR

Apache ActiveMQ Deserialization of Untrusted Data Vulnerability

Apache ActiveMQ contains a deserialization of untrusted data vulnerability that may allow a remote attacker with network access to a broker to run shell commands by manipulating serialized class types in the OpenWire protocol to cause the broker to instantiate any class on the classpath.

Facts

  • Vendor: Apache
  • Product: ActiveMQ
  • CVSS: 10
  • EPSS (probability of exploitation within 30 days): 100 %
  • On CISA's Known Exploited Vulnerabilities list since: 2 November 2023
  • First known exploitation: 2 November 2023
  • Used in ransomware campaigns (per CISA): Yes
  • CISA's deadline for US federal agencies: 23 November 2023
  • Weakness: CWE-502
  • First seen by Risk Letters: 2 November 2023

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Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD