PatchTheCVECVE-2017-6090: Unrestricted file upload vulnerability in clients/editclient.php in PhpCollab 2.5.1 and earlier allows remote
CVE-2017-6090 is a high-severity flaw (CVSS 8.8) affecting phpcollab. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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/.
Why this priority
- High severity
- EPSS top 1%: very likely to be exploited
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 8.8 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 96.4% (top 1%) |
| CISA exploited list | No |
| Weakness | CWE-434 |
| Published | 2017-10-03 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Public exploits and detection
Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.
- Exploit-DB: phpCollab 2.5.1 - File Upload (Metasploit)
- Exploit-DB: phpCollab 2.5.1 - Arbitrary File Upload
- Metasploit: phpCollab 2.5.1 Unauthenticated File Upload
- Nuclei scan template: PhpColl 2.5.1 Arbitrary File Upload
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2017-6090?
phpcollab: upgrade to newer than 2.5.1. Exact commands for each OS are on this page.
Is CVE-2017-6090 being exploited?
CVE-2017-6090 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2017-6090 affect?
CVE-2017-6090 affects phpcollab. Severity is high (CVSS 8.8). 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 req
How urgent is CVE-2017-6090?
Priority 61/100. High severity; EPSS top 1%: very likely to be exploited; Public exploit reference
Software pages
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