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Vulnerability record · CVE-2016-4793 · published 23 January 2017

CVE-2016-4793: Cakephp improper input validation vulnerability

Cakephp · Cakephp

The clientIp function in CakePHP 3.2.4 and earlier allows remote attackers to spoof their IP via the CLIENT-IP HTTP header.

7.5 CVSS 3.0 High EPSS 5.1% · top 7.9% CWE-20 · Improper input validation
7.5CVSS 3.0 base score, v2 5.0
5.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
10References, 4 tagged exploit
17 Jun 2026Last modified by NVD

Description

The clientIp function in CakePHP 3.2.4 and earlier allows remote attackers to spoof their IP via the CLIENT-IP HTTP header.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://legalhackers.com/advisories/CakePHP-IP-Spoofing-Vulnerability.txt ExploitThird Party Advisory
http://www.securityfocus.com/bid/95846
https://bakery.cakephp.org/2016/03/13/cakephp_2613_2711_282_3017_3112_325_released.html PatchVendor Advisory
https://support.citrix.com/article/CTX236992
https://www.exploit-db.com/exploits/39813/ ExploitThird Party Advisory
http://legalhackers.com/advisories/CakePHP-IP-Spoofing-Vulnerability.txt ExploitThird Party Advisory
http://www.securityfocus.com/bid/95846
https://bakery.cakephp.org/2016/03/13/cakephp_2613_2711_282_3017_3112_325_released.html PatchVendor Advisory
https://support.citrix.com/article/CTX236992
https://www.exploit-db.com/exploits/39813/ ExploitThird Party Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2016-4793), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.