XML parser is vulnerable to XXE attacks Fortinet PSIRT Advisories Fortinet PSIRT Contact: Website: https://fortiguard.fortinet.com/faq/psirt-contact FG-IR-21-104 Final 1 1 2021-11-02T00:00:00 Current version 2021-11-02T00:00:00 2021-11-02T00:00:00 An improper restriction of XML external entity reference vulnerability [CWE-611] in the parser of XML responses of FortiPortal may allow an attacker who controls the producer of XML reports consumed by FortiPortal to trigger a denial of service or read arbitrary files from the underlying file system by means of specifically crafted XML documents. Information disclosure FortiPortal version 6.0.5 and below.FortiPortal version 5.3.6 and below.FortiPortal version 5.2.6 and below.FortiPortal version 5.1.2 and below.FortiPortal version 5.0.3 and below.FortiPortal version 4.2.4 and below.FortiPortal version 4.1.2 and below.FortiPortal version 4.0.4 and below. Upgrade to FortiPortal version 6.0.6 or above.Upgrade to FortiPortal version 5.3.7 or above.Upgrade to FortiPortal version 5.2.7 or above. Internally discovered and reported by Giuseppe Cocomazzi of Fortinet Product Security team. CVE-2021-36172 3.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:W/RC:C https://fortiguard.fortinet.com/psirt/FG-IR-21-104 XML parser is vulnerable to XXE attacks Reference>