NIST 800-53 r5 · Controls catalogue · Family SC
SC-19Voice Over Internet Protocol
Technology-specific; addressed as any other technology or protocol.
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+ | Authorizing and controlling VoIP use directly enforces access control decisions over a distinct communication technology. |
CWE-287 | Improper Authentication | 5,200+ | Implementation guidance and monitoring requirements force proper authentication mechanisms for VoIP endpoints and sessions. |
CWE-306 | Missing Authentication for Critical Function | 3,300+ | Requiring authorization before VoIP deployment prevents critical VoIP functions (registration, call setup) from lacking authentication. |
CWE-319 | Cleartext Transmission of Sensitive Information | 1,000+ | Usage restrictions and technology-specific guidance routinely mandate encryption (SRTP, TLS) for voice streams that carry sensitive information. |
CWE-923 | Improper Restriction of Communication Channel to Intended Endpoints | 69 | Explicit control of VoIP traffic forces organizations to restrict communication channels to only intended endpoints and protocols. |
CWE-300 | Channel Accessible by Non-Endpoint | 55 | Restrictions and channel controls reduce the chance that VoIP media or signaling streams remain accessible to non-participants. |
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. | ||||