SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-6090

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…

EXPLOIT ×2 ✓HIGH 8.8EPSS 96.4%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 96.4%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.

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/.

CVSS 3.0
8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
96.39% probability · 100th percentile
Public exploits
2 in Exploit-DB · verified · first 2 October 2017
CISA KEV
Not listed
Weakness
CWE-434
Affected
phpcollab/phpcollab
Source
cve@mitre.org
EPSS trend
0%50%100%21 September 2026: 95.10%22 September 2026: 96.23%27 October 2026: 96.39%21 September 202627 October 2026

EPSS moved from 95.1% on 21 September 2026 to 96.4% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.

Public exploits (2)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-43519source ↗phpCollab 2.5.1 - File Upload (Metasploit)php · Metasploitremote11 January 2018yes
EDB-42934source ↗phpCollab 2.5.1 - Arbitrary File Uploadphp · Sysdreamwebapps2 October 2017yes

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.