Cyber Posture

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: 09 May 2026 03:25 UTC

Implementations targeting this control (0)

ATT&CK techniques this control mitigates (16)

Weaknesses this control addresses (1)AI

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 Attempts684This 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-2024-576102.17.50.0977good
CVE-2026-307902.09.80.0015good
CVE-2025-242452.09.80.0037good
CVE-2026-312822.09.80.0005good
CVE-2025-638072.09.80.0011good
CVE-2025-643102.09.80.0009good
CVE-2025-255952.09.80.0003good
CVE-2026-338792.09.80.0007good
CVE-2026-336402.09.80.0003good
CVE-2025-692462.09.80.0006good
CVE-2026-244362.09.80.0004good
CVE-2024-93422.09.80.0011good
CVE-2025-43191.99.40.0009good
CVE-2026-331521.89.10.0004good
CVE-2024-488861.89.00.0056good
CVE-2026-62841.89.10.0001good
CVE-2025-316761.88.80.0019good
CVE-2025-696151.89.10.0001good
CVE-2024-231061.78.10.0099good
CVE-2024-120391.78.10.0078good
CVE-2025-263431.78.10.0054good
CVE-2026-240171.68.10.0014good
CVE-2025-140021.68.10.0036good
CVE-2025-662041.68.10.0007good
CVE-2025-129951.68.10.0007good

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