CVE-2021-41714
Published: April 11, 2026
Official Description
In Tipask < 3.5.9, path parameters entered by the user are not validated when downloading attachments, a registered user can download arbitrary files on the Tipask server such as .env, /etc/passwd, laravel.log, causing infomation leakage.
Risk Analysis
This vulnerability in Tipask < 3.5.9 allows a registered user to download arbitrary files from the server due to improper validation of path parameters during attachment downloads. Its presence in CISA's KEV signifies confirmed exploitation, making it a high-priority concern.
Active exploitation of this vulnerability has been observed in the wild. A registered user can remotely exploit this flaw to gain unauthorized access to sensitive server files.
Update Tipask to version 3.5.9 or later to address the path parameter validation issue. Implement strict access controls and ensure proper input validation for file download functionalities.
Technical Analysis
CVE-2021-41714 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CISA has added CVE-2021-41714 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.
Affected Vendors & Products
Exploit & PoC Resources
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2021-41714 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
- !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
- !Active exploitation confirmed — treat as P1