CVE-2009-4790

critical

Published 2010-04-22 · Modified 2026-04-29

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

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CVSS v4 NEW

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not yet in upstream

VIR risk

10.0

Description

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.

Predictions

Exploit likelihood

20%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Exploit-DB

EDB-8256 remote windows verified

Jonathan Salwan · 2009-03-23

Sysax Multi Server 4.3 - Arbitrary Delete Files Expoit

Source code queued for fetch — refresh in a moment.

Application impact

Vendor	Product	Versions	Fixed
sysax	multi_server	`4.5`

References

CWEs

CWE-22

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.