NIST 800-53 r5 · Controls catalogue · Family PS
PS-4Personnel Termination
Upon termination of individual employment: Disable system access within {{ insert: param, ps-04_odp.01 }}; Terminate or revoke any authenticators and credentials associated with the individual; Conduct exit interviews that include a discussion of {{ insert: param, ps-04_odp.02 }}; Retrieve all security-related organizational system-related property; and Retain access to organizational information and systems formerly controlled by terminated individual.
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 (6)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-284 | Improper Access Control | 6,900+ | Disabling all system access and revoking credentials upon termination directly prevents improper access control by former personnel. |
CWE-287 | Improper Authentication | 5,200+ | Revoking authenticators and credentials eliminates the ability of terminated individuals to authenticate using prior mechanisms. |
CWE-269 | Improper Privilege Management | 3,400+ | Explicit revocation of privileges and access rights addresses improper privilege management after employment ends. |
CWE-522 | Insufficiently Protected Credentials | 1,600+ | Terminating or revoking credentials stops use of insufficiently protected or lingering credentials post-termination. |
CWE-285 | Improper Authorization | 1,500+ | Terminating authorizations and privileges ensures that access rights no longer apply to the individual, reducing improper authorization risks. |
CWE-250 | Execution with Unnecessary Privileges | 300+ | Disabling access and retrieving security-related property prevents continued execution with unnecessary privileges by ex-employees. |
Top CVEs where this control is the strongest mitigation
| CVE | Risk | CVSS | EPSS | Match |
|---|---|---|---|---|
CVE-2023-26689 UPD | 7.4 | 9.8 | 0.0062 | partial |
CVE-2025-64725 | 7.2 | 9.8 | 0.0035 | partial |
CVE-2025-7972 UPD | 6.9 | 9.1 | 0.0050 | partial |
CVE-2026-35638 | 6.4 | 8.8 | 0.0029 | partial |
CVE-2024-48853 UPD | 6.3 | 9.0 | 0.0037 | partial |
CVE-2026-56428 | 6.0 | 8.1 | 0.0028 | partial |
CVE-2024-28020 UPD | 5.6 | 8.0 | 0.0037 | partial |
CVE-2024-58105 UPD | 5.3 | 7.3 | 0.0016 | partial |
CVE-2024-27269 UPD | 5.1 | 6.8 | 0.0043 | partial |
CVE-2025-63563 | 5.0 | 6.5 | 0.0025 | partial |
CVE-2026-60135 | 4.9 | 6.5 | 0.0021 | partial |
CVE-2024-46671 UPD | 4.8 | 6.2 | 0.0042 | partial |
CVE-2024-29296 UPD | 4.7 | 5.3 | 0.0124 | partial |
CVE-2024-45425 UPD | 3.9 | 4.9 | 0.0031 | partial |
CVE-2023-51750 UPD | 3.7 | 4.6 | 0.0029 | partial |
CVE-2024-52359 UPD | 3.6 | 4.3 | 0.0030 | partial |
CVE-2024-13041 UPD | 3.5 | 4.2 | 0.0028 | partial |
CVE-2024-6356 UPD | 3.3 | 4.4 | 0.0019 | partial |
CVE-2024-9312 UPD | 5.2 | 7.5 | 0.0028 | partial |
CVE-2022-35503 UPD | 5.7 | 7.5 | 0.0054 | partial |