Open redirect in OpenEMR and phpGACL - CVE-2020-13565
Published: January 28, 2021 / Updated: July 20, 2022
Vulnerability identifier: #VU50098
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2020-13565
CWE-ID: CWE-601
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: OpenEMR
phpgacl.sourceforge
phpgacl.sourceforge
Affected software:
OpenEMR
phpGACL
OpenEMR
phpGACL
Detailed vulnerability description
The vulnerability allows a remote attacker to redirect victims to arbitrary URL.
The vulnerability exists due to improper sanitization of user-supplied data in the return_page redirection functionality. A remote attacker can create a link that leads to a trusted website, however, when clicked, redirects the victim to arbitrary domain.
Successful exploitation of this vulnerability may allow a remote attacker to perform a phishing attack and steal potentially sensitive information.
How to mitigate CVE-2020-13565
Install update from vendor's website.