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: 19 May 2026 20:20 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 Attempts694This 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-2026-307902.09.80.0016good
CVE-2025-242452.09.80.0021good
CVE-2026-31282 UPD2.09.80.0006good
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-2024-93422.09.80.0040good
CVE-2025-43191.99.40.0009good
CVE-2026-331521.89.10.0004good
CVE-2024-488861.89.00.0043good
CVE-2026-62841.89.10.0002good
CVE-2025-316761.88.80.0023good
CVE-2025-69615 UPD1.89.10.0002good
CVE-2024-231061.78.10.0099good
CVE-2024-120391.78.10.0078good
CVE-2025-263431.78.10.0054good
CVE-2026-240171.68.10.0019good
CVE-2025-140021.68.10.0022good
CVE-2025-662041.68.10.0006good
CVE-2025-129951.68.10.0009good

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