CVE-2017-6090
High PUBLISHEDUnrestricted file upload vulnerability in clients/editclient.php in PhpCollab 2.5.1 and earlier allows remote authenticated users to execute...
Recommended Action
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
At a Glance
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/.
- CVE Published
- Oct 02, 2017
- Exploitation Reported
- Jun 10, 2026
- CVSS
- 8.8 High
- EPSS
- 96.1%
CVE References
- 42934 exploit-db.com · Exploit https://www.exploit-db.com/exploits/42934/
- 43519 exploit-db.com · Exploit https://www.exploit-db.com/exploits/43519/
- sysdream.com/news/lab/2017-09-29-cve-2017-6090-phpcollab-... sysdream.com · CVE Record https://sysdream.com/news/lab/2017-09-29-cve-2017-6090-phpcollab-2-5-...
Known Exploited Vulnerability Sources
Catalogues that list this CVE as a known exploited vulnerability.
Per-source evidence links for KEV attestations are available through the KEVIntel Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| The Shadowserver First | 2025-07-05 00:00 UTC |
Scanner Artifacts
Scanner and exploit-framework references linked to this CVE.
| Scanner | Reference | Detected |
|---|---|---|
| Metasploit | https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/unix/webapp/phpcollab_upload_exec.rb | Apr 28, 2025 |
| Nuclei | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2017/CVE-2017-6090.yaml | Apr 25, 2025 |
Virtual Patch
Compensating WAF rules to help reduce exposure to this CVE. Rule content and deployable vendor exports are available with KEVIntel Enterprise.
KEVIntel does not currently have a virtual patch for this CVE. When available, KEVIntel virtual patches ship as deployable ModSecurity, Cloudflare, and AWS WAF rules.
Enterprise feature. Virtual patch rule content and deployable vendor exports (ModSecurity, Cloudflare, AWS WAF) are available to KEVIntel Enterprise users.
CVSS Scores
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:L/Au:S/C:P/I:P/A:P
Exploitation Status
Exploited in the wild
Recorded 2026-06-10 00:00:00 UTC · The Shadowserver
Proof of concept available
Recorded 2018-02-17 01:07:58 UTC · GitHub
Weaknesses (CWE)
-
Unrestricted Upload of File with Dangerous Type
Scanner Integrations
Nuclei, Metasploit, and other scanner references for this CVE are listed on the Detection tab.
Potential Proof of Concepts
These PoCs are unverified and could contain malware. Use at your own risk.
github · Created 2018-02-17 01:07:58 UTC · 1 stars
Containerized exploitable PhpCollab
nuclei · Created Unknown
Timeline
Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.
-
00:00 UTC about 1 year ago00:00 UTC · about 1 year ago
Added to KEVIntel KEV Feed
High-confidence, third-party attested exploitation
-
15:02 UTC over 1 year ago15:02 UTC · over 1 year ago
Metasploit module available
Exploit module available
-
00:00 UTC over 1 year ago00:00 UTC · over 1 year ago
Nuclei template available
Scanner coverage available
-
01:07 UTC over 8 years ago01:07 UTC · over 8 years ago
Public PoC available
Public proof-of-concept code published
-
17:00 UTC almost 9 years ago17:00 UTC · almost 9 years ago
CVE published
Vulnerability disclosed publicly
-
00:00 UTC over 9 years ago00:00 UTC · over 9 years ago
CVE ID reserved
Identifier reserved by the CNA
Automate This Intelligence with the Pro API
Confidence scoring, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
Pro API Example
GET /api/v2/pro/kevs/CVE-2017-6090
{
"cve_id": "CVE-2017-6090",
"title": "Unrestricted file upload vulnerability in clients/editclient.php in PhpCollab...",
"affected_vendor": "PhpCollab",
"affected_product": "PhpCollab",
"affected_versions": [
{ "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
],
"confidence": "High",
"cvss_score": 8.8,
"epss_score": 0.96068,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "...": "Pro API fields" },
"proof_of_concepts": [ "..." ],
"scanner_integrations": [ "..." ]
}