Security Resilience

NIST 800-53 r5 · Controls catalogue · Family AC

AC-7Unsuccessful Logon Attempts

Enforce a limit of {{ insert: param, ac-07_odp.01 }} consecutive invalid logon attempts by a user during a {{ insert: param, ac-07_odp.02 }} ; and Automatically {{ insert: param, ac-07_odp.03 }} when the maximum number of unsuccessful attempts is exceeded.

Last updated: 14 October 2026 20:41 UTC

Implementations targeting this control (0)

ATT&CK techniques this control mitigates (16)

Weaknesses this control addresses (1)AI-assisted

CWEs ranked by how often they appear in real CVEs. The rationale describes how this control reduces exploitability of each weakness class.

CWE Name CVEs Why this control addresses it
CWE-307Improper Restriction of Excessive Authentication Attempts800+This control directly enforces limits on consecutive invalid logon attempts and automatic response (e.g., lockout) to prevent brute-force exploitation of authentication mechanisms.

Top CVEs where this control is the strongest mitigation

CVE Risk CVSS EPSS Match
CVE-2024-39225 8.49.80.1442good
CVE-2024-5716 7.69.80.0159good
CVE-2024-41276 7.59.80.0107good
CVE-2026-8760 7.59.80.0107good
CVE-2023-33759 7.49.80.0080good
CVE-2024-2051 7.49.80.0076good
CVE-2024-21652 7.49.80.0075good
CVE-2024-42466 7.49.80.0065good
CVE-2024-43042 7.49.80.0063good
CVE-2024-515587.49.80.0057good
CVE-2025-56221 7.49.80.0060good
CVE-2026-68537.49.80.0064good
CVE-2026-73046 7.49.80.0079good
CVE-2026-73056 7.49.80.0079good
CVE-2024-42465 7.39.80.0047good
CVE-2024-45790 7.39.80.0056good
CVE-2024-47088 7.39.80.0056good
CVE-2024-47656 7.39.80.0051good
CVE-2024-46442 7.39.80.0055good
CVE-2025-25595 7.39.80.0050good
CVE-2025-3709 7.39.80.0056good
CVE-2025-43863 7.39.80.0047good
CVE-2024-9342 7.39.80.0044good
CVE-2025-7393 7.39.80.0051good
CVE-2025-1740 7.39.80.0045good

Other controls in family AC

AC-1 AC-10 AC-11 AC-12 AC-13 AC-14 AC-15 AC-16 AC-17 AC-18 AC-19 AC-2 AC-20 AC-21 AC-22 AC-23 AC-24 AC-25 AC-3 AC-4 AC-5 AC-6 AC-8 AC-9