CVE-2021-41976
Published: 08 October 2021
Summary
CVE-2021-41976 is a medium-severity Improper Authorization (CWE-285) vulnerability in Tad Uploader Project Tad Uploader. Its CVSS base score is 5.3 (Medium).
Operationally, ranked in the top 44.2% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-28966
Vulnerability details
Tad Uploader edit book list function is vulnerable to authorization bypass, thus remote attackers can use the function to amend the folder names in the book list without logging in.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Requiring identification and rationale for actions allowed without authentication ensures critical functions are not left unprotected by forcing review of authentication requirements.
Mandating explicit authorization of mobile device connections reduces the risk of improper authorization decisions for system access.
Ensures authorization decisions are always performed by a complete and analyzable reference monitor.
Auditing session actions allows identification of improper authorization decisions and enforcement failures.
The process verifies authorization mechanisms function as intended before system approval.
By limiting enabled features to only those needed, the control strengthens authorization by removing opportunities for unauthorized use of excess functionality.
Dedicated authorization servers support policy-based decisions, mitigating improper authorization.
Protecting the shutoff from unauthorized activation enforces proper authorization for this critical operation.