Security readout for executives and security teams
Plain-English summary
CVE-2024-24445 can crash the OpenAirInterface CN5G AMF when it receives certain unsupported NGAP messages. The business impact is denial of service to a 5G core control-plane component. It requires network-adjacent access to the AMF, so risk depends heavily on how exposed the AMF interface is.
Executive priority
Treat as a targeted availability risk for affected 5G core deployments. Prioritize if OpenAirInterface AMF supports production, critical demos, or shared test environments. Lower urgency if the AMF is isolated and not reachable from untrusted adjacent networks.
Technical view
OpenAirInterface oai-cn5g-amf versions <= 2.0.0 contain a CWE-476 null pointer dereference. Unsupported NGAP procedure code/presence field tuples can cause indexing into a null function pointer and dereference. CVSS 3.1 is 6.5: adjacent network, low complexity, no privileges, no user interaction, high availability impact.
Likely exposure
Most relevant to organizations running OpenAirInterface CN5G AMF, especially telecom, private 5G, lab, research, or testbed deployments. Exposure is higher where NGAP-facing AMF access is reachable from untrusted or insufficiently segmented adjacent networks.
Exploitation context
The CVE record does not indicate active exploitation, and it is not listed as KEV in the provided data. Exploitation requires network-adjacent access to the AMF and targets availability, not confidentiality or integrity.
Researcher notes
The provided CVE data identifies the vulnerable condition and version range but does not name a patch, commit, or vendor advisory beyond the public RANsacked reference. Avoid assuming broader product impact. Validation should focus on versioning, reachable NGAP surfaces, and crash telemetry rather than offensive reproduction.
Mitigation direction
- Identify any oai-cn5g-amf deployments and confirm whether versions are <= 2.0.0.
- Check OpenAirInterface project guidance for fixed versions or recommended mitigations.
- Restrict AMF NGAP-facing access to trusted network segments only.
- Monitor AMF crashes, restarts, and unexpected NGAP error patterns.
Validation and detection
- Inventory CN5G AMF instances and record exact oai-cn5g-amf versions.
- Review network paths that can reach the AMF NGAP interface.
- Confirm segmentation limits access to authorized RAN or test components.
- Check logs for AMF crashes after unsupported NGAP message handling.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-476: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2024-24445 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H2.83.6CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
6.5MediumVector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://cellularsecurity.org/ransackedCVE reference, mitre
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
NULL Pointer Dereference
NULL Pointer Dereference represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.