XML external entity (XXE) vulnerability in the GlobalProtect internal and external gateway interface in Palo Alto Networks PAN-OS before 6.1.18 7.0.x before 7.0.17 7.1.x before 7.1.12 and 8.0.x before 8.0.3 allows remote attackers to obtain sensitive information cause a denial of service or conduct server-side request forgery (SSRF) attacks via unspecified vectors.