CVE-2009-4800

Exp

Directory traversal vulnerability in Sysax Multi Server 4.3 and 4.5 allows remote authenticated users to delete arbitrary files via a ..// (dot dot slash slash) in a DELE command.

Published: 2010-04-22 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2009-4800 is rated Exploit Available (57.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.93%). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: 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-2009-4800

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

Exploit prediction scoring system (EPSS) score for CVE-2009-4800

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 2.43% 1.93% -0.50%
2 2026-01-03 1.46% 2.43% +0.97%
3 2025-03-30 1.46%

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-4800

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.0 2.0 MEDIUM
AV:N/AC:L/Au:S/C:N/I:P/A:N 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:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
8.0 2.9 [email protected]

Weakness enumeration for CVE-2009-4800

Affected software / configurations for CVE-2009-4800

Vendor Product Version Raw CPE
sysax multi_server 4.3 cpe:2.3:a:sysax:multi_server:4.3:*:*:*:*:*:*:*
sysax multi_server 4.5 cpe:2.3:a:sysax:multi_server:4.5:*:*:*:*:*:*:*

References for CVE-2009-4800

cvelogic Threat Intelligence