Hazard

Is CVE-2021-22893 being exploited?

Ransomware crews are using this

CISA has linked this vulnerability to known ransomware campaigns. Treat any exposed instance as an active incident, not a patching ticket.

Ivanti Pulse Connect Secure Use-After-Free Vulnerability

Ivanti · Pulse Connect Secure

CVSS 10 EPSS 47% no public exploit indexed ransomware Fix deadline passed 3 May 2022

What it is

Ivanti Pulse Connect Secure contains a use-after-free vulnerability that allow a remote, unauthenticated attacker to execute code via license services.

Why we say that

  • Linked by CISA to known ransomware campaigns
  • CISA's federal remediation deadline (2022-05-03) has passed
  • CVSS 10 critical
  • Listed in the CISA Known Exploited Vulnerabilities catalogue

Every line above comes from a named public source. Where the evidence is thin, we say so rather than inventing confidence — see methodology.

What to do

Apply updates per vendor instructions.

What it costs when this goes wrong

This is where UK enforcement meets the vulnerability record. This vulnerability is used in ransomware campaigns; here is what ransomware has cost UK organisations at the regulator.

All UK cases caused by ransomware →