Risk Letters

Exploited vulnerability

CVE-2021-22986

TLP:CLEAR

F5 BIG-IP and BIG-IQ Centralized Management iControl REST Remote Code Execution Vulnerability

F5 BIG-IP and BIG-IQ Centralized Management contain a remote code execution vulnerability in the iControl REST interface that allows unauthenticated attackers with network access to execute system commands, create or delete files, and disable services.

Facts

  • Vendor: F5
  • Product: BIG-IP and BIG-IQ Centralized Management
  • CVSS: 9.8
  • EPSS (probability of exploitation within 30 days): 99.9 %
  • On CISA's Known Exploited Vulnerabilities list since: 3 November 2021
  • First known exploitation: 3 November 2021
  • Used in ransomware campaigns (per CISA): Yes
  • CISA's deadline for US federal agencies: 17 November 2021
  • Weakness: CWE-863
  • First seen by Risk Letters: 3 November 2021

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