CVE-2021-40404
Published: 28 January 2022
Summary
CVE-2021-40404 is a medium-severity Improper Access Control (CWE-284) vulnerability in Reolink Rlc-410W Firmware. Its CVSS base score is 6.5 (Medium).
Operationally, ranked at the 48.8th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-27581
Vulnerability details
An authentication bypass vulnerability exists in the cgiserver.cgi Login functionality of reolink RLC-410W v3.0.0.136_20121102. A specially-crafted HTTP request can lead to authentication bypass. An attacker can send an HTTP request to trigger this vulnerability.
- 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.
The awareness and training policy mandates training on access control practices, directly reducing the likelihood of improper access control weaknesses being introduced or exploited.
Training covers access control policies and the consequences of improper access grants or usage by users.
Security training teaches access control policies and enforcement, reducing improper access control implementations.
Provides capability to review session content, directly detecting violations of access control.
System audit review detects violations of access controls by identifying unauthorized access attempts.
Control assessments verify that access controls are implemented correctly and operating as intended, detecting improper access control before exploitation.
Requiring formal approval, documented controls, and responsibilities for inter-system exchanges directly enforces proper access control between systems.
Penetration testing simulates unauthorized access attempts, directly detecting and enabling remediation of improper access control weaknesses.