CVE-2009-4790

Exp

Multiple directory traversal vulnerabilities in Sysax Multi Server 4.5 allow remote authenticated users to read or modify arbitrary files via crafted FTP commands. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.

Published: 2010-04-22 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2009-4790 is rated High Exploit Risk (84.9/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 3.91%). 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +2.83% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2009-4790

EDB-ID Source Kind Published Link
8256 exploit_db edb 2009-03-23 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2009-4790

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 1.08% 3.91% +2.83%
2 2026-04-15 1.39% 1.08% -0.31%
3 2025-03-30 — 1.39% —

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-4790

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.0 2.0 HIGH
AV:N/AC:L/Au:S/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 8.0 10.0 [email protected]

Weakness enumeration for CVE-2009-4790

Affected software / configurations for CVE-2009-4790

Vendor Product Version Raw CPE
sysax multi_server 4.5 cpe:2.3:a:sysax:multi_server:4.5:*:*:*:*:*:*:*

References for CVE-2009-4790

URL Tags
http://secunia.com/advisories/34433 Vendor Advisory
cvelogic Threat Intelligence