CVE-2020-5225

Log injection in SimpleSAMLphp before version 1.18.4. The www/erroreport.php script, which receives error reports and sends them via email to the system administrator, did not properly sanitize the report identifier obtained from the request. This allows an attacker, under specific circumstances, to inject new log lines by manually crafting this report ID. When configured to use the file logging handler, SimpleSAMLphp will output all its logs by appending each log line to a given file. Since the reportID parameter received in a request sent to www/errorreport.php was not properly sanitized, it was possible to inject newline characters into it, effectively allowing a malicious user to inject new log lines with arbitrary content.

• CWE-532
• CWE-532

• https://github.com/simplesamlphp/simplesamlphp/security/advisories/GHSA-6gc6-m364-85wwThird Party Advisory
• https://simplesamlphp.org/security/202001-02Vendor Advisory
• https://github.com/simplesamlphp/simplesamlphp/security/advisories/GHSA-6gc6-m364-85wwThird Party Advisory
• https://simplesamlphp.org/security/202001-02Vendor Advisory

Published

Jan 24, 2020

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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