CVE-2016-5385

mediumpriority · attend · 50EPSS 0.504 · 99 %ileDEEUUS

grimoire priorityP1 · Urgent

Exploitable?

—

no known exploitation

Likely / severe?

50.4% (99th) EPSS

CVSS 5.1 · medium

Is it mine?

56 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · cert_bund · cisa_csaf_ot

EPSS · scored 2026-10-24

PHP through 7.0.8 does not attempt to address RFC 3875 section 4.1.18 namespace conflicts and therefore does not protect applications from the presence of untrusted client data in the HTTP_PROXY environment variable, which might allow remote attackers to redirect an application's outbound HTTP traffic to an arbitrary proxy server via a crafted Proxy header in an HTTP request, as demonstrated by (1) an application that makes a getenv('HTTP_PROXY') call or (2) a CGI configuration of PHP, aka an "httpoxy" issue.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

Fixedfesto_psirt
FactoryViews (non-Lite): Upgrade to FactoryViews 1.6.0. See the upgrade guide for information on how to upgrade. FactoryViews Lite: Upgrade to FactoryViews 1.7.0. See the upgrade guide for information on how to upgrade.
FixedMES PCfesto_psirt
Festo Didactic has released Factory Control Panel as a replacement for XAMPP on its MES PCs. Contact technical support at services.didactic@festo.com to obtain the current version of Factory Control Panel which includes fixes for these vulnerabilities.
FixedMES PCcisa_csaf_ot
Festo Didactic has released Factory Control Panel as a replacement for XAMPP on its MES PCs. Contact technical support at services.didactic@festo.com to obtain the current version of Factory Control Panel which includes fixes for these vulnerabilities.

cvss

Technical severity, 0–10. One row per scoring source.

8.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.1–8.1

v2.05.1mediumAV:N/AC:H/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 4.9 · impact 6.4

v3.18.1highCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.2 · impact 5.9

v3.18.1highCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · CISA US

v3.18.1highCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · OSV

v3.18.1highCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · Festo PSIRT DE

v3.18.1highCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-601USprimaryCWE-601USCWE-601USCWE-601US

affected products (56)

Products and version ranges known to be affected.

Apache HTTP Serverall versionscert_bundDEcpe:/a:apache:http_server:-
Apache Tomcatall versionscert_bundDEcpe:/a:apache:tomcat:-
Debian Linuxall versionscert_bundDEcpe:/o:debian:debian_linux:-
EMC VNXall versionscert_bundDEcpe:/h:emc:vnx:-
HPE HP-UXall versionscert_bundDEcpe:/o:hp:hp-ux:-
Open Source CentOSall versionscert_bundDEcpe:/o:centos:centos:-
Open Source PHPall versionscert_bundDEcpe:/a:php:php:-
Open Source Pythonall versionscert_bundDEcpe:/a:python:python:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
Red Hat JBoss Web Serverall versionscert_bundDEcpe:/a:redhat:jboss_enterprise_web_server:-
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
SUSE Linux Enterprise Desktop 12 SP1all versionscert_bundDEcpe:/o:suse:linux_enterprise_desktop:12:sp1
SUSE Linux Enterprise Server 12 SP1all versionscert_bundDEcpe:/o:suse:linux_enterprise_server:12:sp1
SUSE openSUSEall versionscert_bundDEcpe:/o:suse:opensuse:-
TYPO3 Core <8.2.1all versionscert_bundDE
Ubuntu Linux 10.04 LTSall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:10.04:-:lts
TYPO3 Core< 8.2.1cert_bundDE
Festo Didactic SE MES PC shipped with Windows 10all versionscisa_csaf_otUS
Festo Didactic SE MES PCall versionscisa_csaf_otUS
n/a n/a≤ n/aenisa_euvdEU

showing 20 of 56

advisories (5)

Vendor and ecosystem advisories describing this.

FSA-202302Festo: Several vulnerabilities in FactoryViews2023-07-10csaf · festo_psirtDE
FactoryViews bundles many third-party applications which are used in background processes to provide the software's features. From time to time, vulnerabilities in these bundled applications are discovered. These are typically fixed in newer versions of FactoryViews by updating the bundled applications. FactoryViews versions up to and including 1.5.2 contain around 200 such vulnerabilities listed in this advisory.Version 1.6.0 is a security rollup release which includes updates to all bundled applications and fixes these vulnerabilities. At this time, FactoryViews Lite cannot be updated beyond version 1.1. FactoryViews 1.7 unifies the non-Lite and Lite versions and fixes these vulnerabilities for users of FactoryViews Lite.
FSA-202402Several Vulnerabilities in MES PC (Windows 10)2024-02-27csaf · festo_psirtDE
MES PCs shipped with Windows 10 come pre-installed with XAMPP. XAMPP is a bundle of third-party open-source applications including the Apache HTTP Server, the MariaDB database and more. From time to time, vulnerabilities in these applications are discovered. These are fixed in newer versions of XAMPP by updating the bundled applications. MES PCs shipped with Windows 10 include a copy of XAMPP which contains around 140 such vulnerabilities listed in this advisory. They can be fixed by replacing XAMPP with Festo Didactic's Factory Control Panel application.
WID-SEC-W-2025-2522Mehrere Webserver: Schwachstelle ermöglicht Umgehen von SicherheitsvorkehrungenDeutsch2016-07-18csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in mehreren Webserver Produkten ausnutzen, um Sicherheitsvorkehrungen zu umgehen.
GHSA-m6ch-gg5f-wxx3HTTP Proxy header vulnerability2022-04-07ghsa · osvUS
PHP through 7.0.8 does not attempt to address RFC 3875 section 4.1.18 namespace conflicts and therefore does not protect applications from the presence of untrusted client data in the HTTP_PROXY environment variable, which might allow remote attackers to redirect an application's outbound HTTP traffic to an arbitrary proxy server via a crafted Proxy header in an HTTP request, as demonstrated by (1) an application that makes a getenv('HTTP_PROXY') call or (2) a CGI configuration of PHP, aka an "httpoxy" issue.
ICSA-26-027-02Festo Didactic SE MES PC2024-02-27icsa · cisa_csaf_otUS
MES PCs shipped with Windows 10 come pre-installed with XAMPP. XAMPP is a bundle of third-party open-source applications including the Apache HTTP Server, the MariaDB database and more. From time to time, vulnerabilities in these applications are discovered. These are fixed in newer versions of XAMPP by updating the bundled applications. MES PCs shipped with Windows 10 include a copy of XAMPP which contains around 140 such vulnerabilities listed in this advisory. They can be fixed by replacing XAMPP with Festo Didactic's Factory Control Panel application.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund cisa_csaf_ot festo_psirt osv NVD CVE.org MITRE

published 2016-07-19modified 2026-06-17

related (2,004)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2021-38000US	medium6.1OT critical	4.95% (92nd)	KEV	2021-11-23
Insufficient validation of untrusted input in Intents in Google Chrome on Android prior to 95.0.4638.69 allowed a remote attacker to arbitrarily browser to a malicious URL via a cr…
CVE-2012-0518US	medium4.7OT critical	4.69% (92nd)	KEV	2012-10-16
Unspecified vulnerability in the Oracle Application Server Single Sign-On component in Oracle Fusion Middleware 10.1.4.3.0 allows remote attackers to affect integrity via unknown v…
CVE-2017-1000117US	high8.8	77.8% (100th)	Exploit	2017-10-05
A malicious third-party can give a crafted "ssh://..." URL to an unsuspecting victim, and an attempt to visit the URL can result in any program that exists on the victim's machine…
CVE-2025-4123US	medium6.1	97.1% (100th)	Exploit	2025-05-22
A cross-site scripting (XSS) vulnerability exists in Grafana caused by combining a client path traversal and open redirect. This allows attackers to redirect users to a website tha…
CVE-2018-11784US	medium4.3	97.7% (100th)	Exploit	2018-10-04
When the default servlet in Apache Tomcat versions 9.0.0.M1 to 9.0.11, 8.5.0 to 8.5.33 and 7.0.23 to 7.0.90 returned a redirect to a directory (e.g. redirecting to '/foo/' when the…

+1999 more

references (86)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan