An issue was discovered in Free5GC v4.0.0 and v4.0.1 allowing an attacker to cause a…
Priority MEDIUM 62CWE-1287Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub.
Summary
An issue was discovered in Free5GC v4.0.0 and v4.0.1 allowing an attacker to cause a denial of service via the Nudm_SubscriberDataManagement API.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00382 32nd percentileScored 2026-11-07
Fix Fixed github.com/free5gc/openapi (Go): 1.2.2
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | github.com/free5gc/udm (Go) | up to 1.4.0 | — | No fix listed | GHSA-3j9f-7w24-pcqg |
| — | github.com/free5gc/openapi (Go) | before 1.2.2 | 1.2.2 | Patch available | GHSA-3j9f-7w24-pcqg |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- github.com/free5gc/udm (Go) Vendor— Affected up to 1.4.0 Fixed in — No fix listed GHSA-3j9f-7w24-pcqg
- github.com/free5gc/openapi (Go) Vendor— Affected before 1.2.2 Fixed in 1.2.2 Patch available GHSA-3j9f-7w24-pcqg
Remediation
- Fix · GHSA-3j9f-7w24-pcqg github.com/free5gc/openapi (Go) Fixed in 1.2.2 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2025-60633
- 2026-10-03 Alias added: GHSA-3j9f-7w24-pcqg
References
Advisory 2
Other 14
- https://github.com/free5gc/free5gc
- https://github.com/free5gc/free5gc/issues/702
- https://github.com/free5gc/free5gc/issues/700
- https://github.com/free5gc/free5gc/issues/701
- https://github.com/free5gc/free5gc/issues/703
- https://github.com/free5gc/openapi/pull/65
- https://github.com/free5gc/udm/pull/63
- https://github.com/free5gc/udm/pull/65
- https://github.com/free5gc/udm/pull/66
- https://github.com/free5gc/openapi/commit/d50c83e8fe7ebf9a62d9de99517e21a17f627b52
- https://github.com/free5gc/udm/commit/57c56a3ad4bc53a62cab259045e78ec9abdb98ca
- https://github.com/free5gc/udm/commit/ca9976857909a422dcff5bf2228756fc2bfc80d1
- https://github.com/free5gc/udm/commit/e776c42177817f75e75e7a587c58c2a027beed81
- https://github.com/free5gc/pcf
More Free5gc vulnerabilities
- TI-2026-32298 Incorrect authorization in free5gc CVSS 3.1CRITICAL 10.0
- TI-2026-32297 free5GC: SMF UPI management interface lacks auth middleware; unauthenticated topology read/write requests reach handlers CVSS 3.1CRITICAL 10.0
- TI-2026-32295 free5GC: NEF nnef-oam route group is unauthenticated; no-token requests reach the OAM handler CVSS 3.1CRITICAL 10.0
- TI-2025-39412 free5gc v4.1.0 and before is vulnerable to Buffer Overflow. CVSS 3.1CRITICAL 9.8
- TI-2026-32294 Missing authorization in free5gc CVSS 3.1CRITICAL 9.4
- TI-2026-32283 Missing authorization in free5gc CVSS 3.1CRITICAL 9.4
Sources
- CVE-2025-60633 · CVE Program
- CVE-2025-60633 · NVD
- FIRST EPSS
- GHSA-3j9f-7w24-pcqg · GitHub Advisory Database · CC BY 4.0
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