Cyber Resilience

CVE-2021-33209

Medium

Published: 03 November 2021

Published
03 November 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS Score 0.0020 42.3th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-33209 is a medium-severity Improper Restriction of Excessive Authentication Attempts (CWE-307) vulnerability in Fimer Aurora Vision. Its CVSS base score is 5.3 (Medium).

Operationally, ranked at the 42.3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

An issue was discovered in Fimer Aurora Vision before 2.97.10. The response to a failed login attempt discloses whether the username or password is wrong, helping an attacker to enumerate usernames. This can make a brute-force attack easier.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

fimer
aurora vision
≤ 2.97.10

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.

addresses: CWE-307

This control directly enforces limits on consecutive invalid logon attempts and automatic response (e.g., lockout) to prevent brute-force exploitation of authentication mechanisms.

addresses: CWE-307

Specific conditions can include excessive failed attempts, triggering stronger authentication that restricts brute-force exploitation.

References