Progress WS_FTP Server Deserialization of Untrusted Data Vulnerability (CVE-2023-40044)
Severity: high · Patch status: unknown · Since 2023-10-05 · CVE-2023-40044
Progress WSFTP 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. CISA added CVE-2023-40044 to its Known Exploited Vulnerabilities catalog on Oct 5, 2023, which means attackers are exploiting it in the wild. CISA reports known use in ransomware campaigns.
What to do
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- US federal agencies must remediate by Oct 26, 2023 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch
