Open5GS NGAP Handover gmm-sm.c gmm_state_security_mode race condition
Summary
| CVE | CVE-2026-10565 |
|---|---|
| State | PUBLISHED |
| Assigner | VulDB |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-06-02 03:16:16 UTC |
| Updated | 2026-06-02 13:03:31 UTC |
| Description | A security flaw has been discovered in Open5GS up to 2.7.6. The impacted element is the function gmm_state_security_mode of the file src/amf/gmm-sm.c of the component NGAP Handover. Performing a manipulation results in race condition. The attack can be initiated remotely. The complexity of an attack is rather high. The exploitability is regarded as difficult. The exploit has been released to the public and may be used for attacks. The pull request to fix this issue awaits acceptance. |
Risk And Classification
Primary CVSS: v4.0 1.3 LOW from [email protected]
CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS: 0.000410000 probability, percentile 0.128100000 (date 2026-06-07)
Problem Types: CWE-362 | CWE-362 Race Condition
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | [email protected] | Secondary | 1.3 | LOW | CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/C... |
| 4.0 | CNA | DECLARED | 2.3 | LOW | CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P |
| 3.1 | [email protected] | Primary | 3.1 | LOW | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L |
| 3.1 | CNA | DECLARED | 3.1 | LOW | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:C |
| 3.0 | CNA | DECLARED | 3.1 | LOW | CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:C |
| 2.0 | [email protected] | Secondary | 2.1 | AV:N/AC:H/Au:S/C:N/I:N/A:P | |
| 2.0 | CNA | DECLARED | 2.1 | AV:N/AC:H/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:C |
CVSS v4.0 Breakdown
CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS v3.1 Breakdown
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
CVSS v3.0 Breakdown
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:C
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Na | Open5GS | affected 2.7.0 | Not specified |
| CNA | Na | Open5GS | affected 2.7.1 | Not specified |
| CNA | Na | Open5GS | affected 2.7.2 | Not specified |
| CNA | Na | Open5GS | affected 2.7.3 | Not specified |
| CNA | Na | Open5GS | affected 2.7.4 | Not specified |
| CNA | Na | Open5GS | affected 2.7.5 | Not specified |
| CNA | Na | Open5GS | affected 2.7.6 | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| github.com/open5gs/open5gs/pull/4501 | [email protected] | github.com | |
| github.com/user-attachments/files/27111025/N2-SMC-Concurrent.zip | [email protected] | github.com | |
| vuldb.com/vuln/367672 | [email protected] | vuldb.com | |
| vuldb.com/cve/CVE-2026-10565 | [email protected] | vuldb.com | |
| vuldb.com/vuln/367672/cti | [email protected] | vuldb.com | |
| vuldb.com/submit/818938 | [email protected] | vuldb.com | |
| github.com/open5gs/open5gs/issues/4497 | [email protected] | github.com | |
| github.com/open5gs/open5gs | [email protected] | github.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Seungjoon Na (Kookmin University ICSR Lab) (en)
CNA: Jinha Kim (Kookmin University ICSR Lab) (en)
CNA: Seungjoon Na (VulDB User) (en)
CNA: Seungjoon Na (VulDB User) (en)
CNA: VulDB CNA Team (en)
Additional Advisory Data
| Source | Time | Event |
|---|---|---|
| CNA | 2026-06-01T00:00:00.000Z | Advisory disclosed |
| CNA | 2026-06-01T02:00:00.000Z | VulDB entry created |
| CNA | 2026-06-02T10:47:39.000Z | VulDB entry last update |