Risk Letters

Exploited vulnerability

CVE-2023-40044

TLP:CLEAR

Progress WS_FTP Server Deserialization of Untrusted Data Vulnerability

Progress WS_FTP Server contains a deserialization of untrusted data vulnerability in the Ad Hoc Transfer module that allows an authenticated attacker to execute remote commands on the underlying operating system.

Facts

  • Vendor: Progress
  • Product: WS_FTP Server
  • CVSS: 10
  • EPSS (probability of exploitation within 30 days): 90.4 %
  • On CISA's Known Exploited Vulnerabilities list since: 5 October 2023
  • First known exploitation: 5 October 2023
  • Used in ransomware campaigns (per CISA): Yes
  • CISA's deadline for US federal agencies: 26 October 2023
  • Weakness: CWE-502
  • First seen by Risk Letters: 5 October 2023

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