CVE•Published 2023-09-27•1 article on news•6 live references•NVD data
CVE-2023-40044
Vulnerability data via CVEDB (Shodan)
CVSS v3.1
10.0
CRITICAL
EPSS percentile
100
Exploit Prediction Scoring System · top 0% of all CVEs
Description
In WS_FTP Server versions prior to 8.7.4 and 8.8.2, a pre-authenticated attacker could leverage a .NET deserialization vulnerability in the Ad Hoc Transfer module to execute remote commands on the underlying WS_FTP Server operating system.
Timeline
Published 2023-09-27
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2023-40044Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Progress Ws Ftp Server"All exposed Progress Ws Ftp Server instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Ws Ftp Server"HTTP body or banner mentions "Ws Ftp Server" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2023-40044Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2023-40044Censys host search filtered to this CVE id.
grep.app
CVE-2023-40044Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2023-40044GitHub code search for direct mentions.
Google dork
"CVE-2023-40044" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub (3)
CVE-2023-400443 repos
Ostorlab/KEVunknown
Ostorlab KEV: One-command to detect most remotely known exploitable vulnerabilities. Sourced from CISA KEV, Google's Tsunami, Ostorlab's Asteroid and Bug Bounty programs.
getdrive/PoCRuby
PoC. Severity critical.
bugsyhewitt/hellhoundPython
Necromancer suite: hellhound (offensive security tool)