Cyber 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: 22 August 2026 14:14 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 Attempts700+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 8.49.80.1453good
CVE-2024-5716 7.69.80.0160good
CVE-2024-41276 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-2026-8760 7.49.80.0062good
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 7.39.80.0053good
CVE-2025-25595 7.39.80.0048good
CVE-2025-3709 7.39.80.0054good
CVE-2025-43863 7.39.80.0040good
CVE-2024-9342 7.39.80.0041good
CVE-2025-7393 7.39.80.0046good
CVE-2025-1740 7.39.80.0045good
CVE-2025-56221 7.39.80.0056good
CVE-2025-63807 7.39.80.0049good
CVE-2025-64310 7.39.80.0046good
CVE-2026-244367.39.80.0042good

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