CVE-2021-44147

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2021-11-22 · updated 2026-06-17
Weakness: CWE-611

Description

An XML External Entity issue in Claris FileMaker Pro and Server (including WebDirect) before 19.4.1 allows a remote attacker to disclose local files via a crafted XML/Excel document and perform server-side request forgery attacks.

Affected products

Claris FileMaker Pro: before 19.4.1 — fixed in 19.4.1
Claris FileMaker Server: before 19.4.1 — fixed in 19.4.1

How to fix

Upgrade to a fixed version: Claris FileMaker Pro 19.4.1; Claris FileMaker Server 19.4.1. Check the vendor advisory for mitigations.

References

https://davidhamann.de/2021/11/18/filemaker-xxe-vulnerability/
https://support.claris.com/s/answerview?anum=000035751
https://davidhamann.de/2021/11/18/filemaker-xxe-vulnerability/
https://support.claris.com/s/answerview?anum=000035751

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