#VU49566 Cross-site request forgery in PEPPERL+FUCHS products - CVE-2020-12511

Vulnerability identifier: #VU49566

Vulnerability risk: Low

CVSSv4.0: 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:P/U:Clear

CVE-ID: CVE-2020-12511

CWE-ID: CWE-352

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
IO-Link Master
IO-Link Master DR-8-PNIO-T
IO-Link Master DR-8-PNIO-P
IO-Link Master DR-8-PNIO
IO-Link Master 8-PNIO-L
IO-Link Master 8-PNIO
IO-Link Master 4-PNIO
IO-Link Master DR-8-EIP-T
IO-Link Master DR-8-EIP-P
IO-Link Master 8-EIP-L
IO-Link Master 8-EIP
IO-Link Master 4-EIP

Software vendor:
PEPPERL+FUCHS

The vulnerability allows a remote attacker to perform cross-site request forgery attacks.

The vulnerability exists due to insufficient validation of the HTTP request origin in the web interface. A remote attacker can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website.

Install updates from vendor's website.

• https://sec-consult.com/vulnerability-lab/advisory/multiple-vulnerabilities-in-pepperl-fuchs-io-link-master-series/