NIST 800-53 r5 · Controls catalogue · Family MA
MA-5Maintenance Personnel
Establish a process for maintenance personnel authorization and maintain a list of authorized maintenance organizations or personnel; Verify that non-escorted personnel performing maintenance on the system possess the required access authorizations; and Designate organizational personnel with required access authorizations and technical competence to supervise the maintenance activities of personnel who do not possess the required access authorizations.
Last updated: 22 August 2026 07:11 UTC
Implementations targeting this control (0)
- No implementations targeting this control yet.
ATT&CK techniques this control mitigates (0)
- No ATT&CK techniques mapped to this control yet.
Weaknesses this control addresses (5)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-862 | Missing Authorization | 10,200+ | Maintains lists of authorized personnel and verifies required access authorizations before allowing maintenance. |
CWE-284 | Improper Access Control | 6,900+ | Establishes authorization processes, verification, and supervision to prevent unauthorized access during maintenance activities. |
CWE-863 | Incorrect Authorization | 3,900+ | Verifies that non-escorted maintenance personnel possess required access authorizations to avoid incorrect authorization. |
CWE-269 | Improper Privilege Management | 3,400+ | Manages privileges by authorizing only approved personnel and supervising those lacking required authorizations for maintenance. |
CWE-285 | Improper Authorization | 1,500+ | Requires verification of access authorizations and designation of supervisors for maintenance personnel without proper authorizations. |
Top CVEs where this control is the strongest mitigation
| CVE | Risk | CVSS | EPSS | Match |
|---|---|---|---|---|
| No CVEs annotated to this control yet — the per-CVE backfill is in progress. | ||||