CVE-2024-9999 json
Multi-Factor Authentication Bypass in Progress WS_FTP Server
published 2024-11-12 23 mo ago modified 2026-06-17 4 mo ago also EUVD-2024-50272
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 36%
- public exploits
- 0
- none known
Summary
In WS_FTP Server versions before 8.8.9 (2022.0.9), an Incorrect Implementation of Authentication Algorithm in the Web Transfer Module allows users to skip the second-factor verification and log in with username and password only.
Patch / fix
- Progress Software Corporation WS_FTP Server 8.8.9
- progress_software ws_ftp_server 8.8.9
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 23 mo ago
Exploit prediction
0.41% chance of exploitation in the next 30 days, higher than 36% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N |
Affected products
- Progress Software Corporation WS_FTP Server
- progress_software ws_ftp_server
Classification
- Weakness
-
- CWE-303 Incorrect Implementation of Authentication Algorithm
References
-
community.progress.com
/s/article/WS-FTP-Server-Service-Pack-November-2024
vendor-advisory
-
progress.com
/ftp-server
product
Sources
- CVE List CVE-2024-9999
- NVD CVE-2024-9999
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