Which products and versions are affected by CVE-2017-6090?

Affected: Phpcollab. The full list is in the CVE brief.

Is CVE-2017-6090 being exploited in the wild?

It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Oct 14, 2023.

Is CVE-2017-6090 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2017-6090?

Public exploit code is available.

Is there a fix for CVE-2017-6090?

Fixed versions are available, including Phpcollab 2.5.1.

How urgently should CVE-2017-6090 be patched?

Brandefense priority: patch immediately, because it is listed as exploited in the wild.

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Vulnerability Intelligence

CVE-2017-6090

HighExploitedPublic exploit

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/.

Published Oct 2, 2017 · Updated Jul 8, 2026

Key Facts

Patch immediately

CVE-2017-6090 is a high-severity vulnerability (CVSS 8.8 v3.1) affecting Phpcollab.
It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Oct 14, 2023. Public exploit code is available.
EPSS estimates a 96% probability of exploitation in the next 30 days.
Fixed versions are available, including Phpcollab 2.5.1.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

CVSS v3.1

8.8

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

EPSS (30-day exploit likelihood)

96%

Higher than 99.8% of all scored CVEs

Exploited in the wild

Yes

2 catalog listings

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2017-6090 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

Known-Exploited Catalog Listings

Catalog	Added	Remediation due	Ransomware use
Industry KEV feed	Jan 4, 2024	n/a	Not reported
CIRCL KEV	Oct 14, 2023	n/a	Not reported

Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Affected Products

1 affected entries in total

Product	Affected versions	Fixed in
PhpcollabPhpcollab	See advisory	2.5.1

Patched Releases

Phpcollab

2.5.1

Timeline

Publicly disclosed
Oct 2, 2017
Added to CIRCL KEV
Oct 14, 2023
Added to Industry KEV feed
Jan 4, 2024
Last updated
Jul 8, 2026

Weakness Type

CWE-434 Unrestricted Upload of File with Dangerous Type

References

11 more references in the full CVE brief

FAQ

Common Questions.

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/.
Affected: Phpcollab. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Oct 14, 2023.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Phpcollab 2.5.1.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

Is CVE-2017-6090 Running On Your Attack Surface?

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