CVE-2021-42338
Published: 19 November 2021
Summary
CVE-2021-42338 is a critical-severity Improper Authorization (CWE-285) vulnerability in 4Mosan Gcb Doctor. Its CVSS base score is 9.8 (Critical).
Operationally, ranked in the top 25.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-29312
Vulnerability details
4MOSAn GCB Doctor’s login page has improper validation of Cookie, which allows an unauthenticated remote attacker to bypass authentication by code injection in cookie, and arbitrarily manipulate the system or interrupt services by upload and execution of arbitrary files.
- 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.
Role-based training addresses authorization requirements and checks, lowering the risk of improper authorization.
Auditing session actions allows identification of improper authorization decisions and enforcement failures.
Audit analysis reports findings of improper authorization, reducing the impact of such weaknesses.
Documenting authorization requirements and responsibilities for each exchange ensures authorization decisions are explicitly defined and managed.
Reconstitution restores proper authorization policies and enforcement that may have been altered.
Supplies backup authorization methods to block unauthorized actions when the primary authorization process is unavailable or compromised.
Identity providers centralize and enforce authentication mechanisms, reducing improper authentication.
Mandates authorization for identifier assignment, reducing risks of improper authorization.