Risk Letters

Exploited vulnerability

CVE-2021-22893

TLP:CLEAR

Ivanti Pulse Connect Secure Use-After-Free Vulnerability

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

Facts

  • Vendor: Ivanti
  • Product: Pulse Connect Secure
  • CVSS: 10
  • EPSS (probability of exploitation within 30 days): 47.2 %
  • 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: 3 May 2022
  • Weakness: CWE-287
  • First seen by Risk Letters: 3 November 2021

Members see which Nordic sectors the flaw hits, and what to do about it.

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