Open redirect in otp - CVE-2016-1000107
Published: April 10, 2026
Vulnerability identifier: #VU125768
CSH Severity: Medium
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2016-1000107
CWE-ID: CWE-601
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to redirect an application's outbound HTTP traffic to an arbitrary proxy server.
The vulnerability exists due to environment variable pollution in mod_cgi when processing a crafted Proxy header in an HTTP request. A remote attacker can send a specially crafted request to redirect an application's outbound HTTP traffic to an arbitrary proxy server.
User interaction is required.
Affected software
otp
How to mitigate CVE-2016-1000107
Install security update from vendor's website.
otp - addressed in versions 26.2.5.15, 27.3.4.3, 28.1