CVE-2017-6090

high

Published 2017-10-03 · Modified 2026-05-13

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

8.8

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v4 NEW

—

not yet in upstream

VIR risk

9.8

Description

Unrestricted file upload vulnerability in clients/editclient.php in PhpCollab 2.5.1 and earlier allows remote authenticated users to execute arbitrary code by uploading a file with an executable extension, then accessing it via a direct request to the file in logos_clients/.

Predictions

Exploit likelihood

92%

Patch ETA

—

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-42934 webapps php verified

Sysdream · 2017-10-02

phpCollab 2.5.1 - Arbitrary File Upload

Source code queued for fetch — refresh in a moment.

EDB-43519 remote php verified

Metasploit · 2018-01-11

phpCollab 2.5.1 - File Upload (Metasploit)

Source code queued for fetch — refresh in a moment.

Metasploit modules

exploit_unix/webapp/phpcollab_upload_exec rank 600

phpCollab 2.5.1 Unauthenticated File Upload

Source fetch failed: fetch_error — view the original via the link above.

Application impact

Vendor	Product	Versions	Fixed
phpcollab	phpcollab	`{"endIncluding":"2.5.1"}`

References

CWEs

CWE-434

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

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