cnvd - cnvd-2025-18544

CNVD-2025-18544

Vulnerability from cnvd - Published: 2025-08-15

Title

Open5GS拒绝服务漏洞（CNVD-2025-18544）

Description

Open5GS是Open5GS开源的一个5G Core和Epc的C语言开源实现，即Lte/Nr网络的核心网络。 Open5GS存在拒绝服务漏洞，攻击者可利用该漏洞通过文件src/amf/npcf-build.c中函数amf_npcf_am_policy_control_build_create/amf_nsmf_pdusession_build_create_sm_context导致拒绝服务。

Severity

高

Patch Name

Open5GS拒绝服务漏洞（CNVD-2025-18544）的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://github.com/open5gs/open5gs/releases

Reference

https://nvd.nist.gov/vuln/detail/CVE-2025-8799

Impacted products

Name
Open5GS Open5GS <=2.7.5

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2025-8799",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2025-8799"
    }
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  "description": "Open5GS\u662fOpen5GS\u5f00\u6e90\u7684\u4e00\u4e2a5G Core\u548cEpc\u7684C\u8bed\u8a00\u5f00\u6e90\u5b9e\u73b0\uff0c\u5373Lte/Nr\u7f51\u7edc\u7684\u6838\u5fc3\u7f51\u7edc\u3002\n\nOpen5GS\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u6587\u4ef6src/amf/npcf-build.c\u4e2d\u51fd\u6570amf_npcf_am_policy_control_build_create/amf_nsmf_pdusession_build_create_sm_context\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://github.com/open5gs/open5gs/releases",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2025-18544",
  "openTime": "2025-08-15",
  "patchDescription": "Open5GS\u662fOpen5GS\u5f00\u6e90\u7684\u4e00\u4e2a5G Core\u548cEpc\u7684C\u8bed\u8a00\u5f00\u6e90\u5b9e\u73b0\uff0c\u5373Lte/Nr\u7f51\u7edc\u7684\u6838\u5fc3\u7f51\u7edc\u3002\r\n\r\nOpen5GS\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u6587\u4ef6src/amf/npcf-build.c\u4e2d\u51fd\u6570amf_npcf_am_policy_control_build_create/amf_nsmf_pdusession_build_create_sm_context\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Open5GS\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2025-18544\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Open5GS Open5GS \u003c=2.7.5"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2025-8799",
  "serverity": "\u9ad8",
  "submitTime": "2025-08-15",
  "title": "Open5GS\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2025-18544\uff09"
}

CVE-2025-8799 (GCVE-0-2025-8799)

Vulnerability from cvelistv5 – Published: 2025-08-10 07:32 – Updated: 2025-08-15 13:43

Summary

A vulnerability was identified in Open5GS up to 2.7.5. Affected by this vulnerability is the function amf_npcf_am_policy_control_build_create/amf_nsmf_pdusession_build_create_sm_context of the file src/amf/npcf-build.c of the component AMF. The manipulation leads to denial of service. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 2.7.6 is able to address this issue. The patch is named cf63dd63197bf61a4b041aa364ba6a6199ab15e4. It is recommended to upgrade the affected component.

Severity ?

6.9 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

5.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C

5.3 (Medium)


                        
                          CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C

CWE

CWE-404 - Denial of Service

Assigner

VulDB

References

URL

Tags

	https://vuldb.com/?id.319327	vdb-entrytechnical-description
	https://vuldb.com/?ctiid.319327	signaturepermissions-required
	https://vuldb.com/?submit.626112	third-party-advisory
	https://github.com/open5gs/open5gs/issues/3979	issue-tracking
	https://github.com/open5gs/open5gs/issues/3979#is…	issue-tracking
	https://github.com/user-attachments/files/2110468…	exploit
	https://github.com/open5gs/open5gs/commit/cf63dd6…	patch
	https://github.com/open5gs/open5gs/releases/tag/v2.7.6	patch
	https://github.com/ZHENGHAOHELLO/BugReport/blob/m…	related

Impacted products

	Vendor	Product	Version
	n/a	Open5GS	Affected: 2.7.0 Affected: 2.7.1 Affected: 2.7.2 Affected: 2.7.3 Affected: 2.7.4 Affected: 2.7.5 Unaffected: 2.7.6

Credits

lixxxiang (VulDB User) lixxxiang (VulDB User)

Show details on NVD website

JSON

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        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-8799",
                "options": [
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                    "Exploitation": "poc"
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                  },
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                    "Technical Impact": "partial"
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                "role": "CISA Coordinator",
                "timestamp": "2025-08-11T15:21:27.353551Z",
                "version": "2.0.3"
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              "type": "ssvc"
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        "providerMetadata": {
          "dateUpdated": "2025-08-12T16:03:43.671Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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            "tags": [
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            "url": "https://github.com/open5gs/open5gs/issues/3979"
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          "modules": [
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              "status": "affected",
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              "status": "affected",
              "version": "2.7.1"
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              "status": "affected",
              "version": "2.7.2"
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        }
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}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

CNVD-2025-18544

CVE-2025-8799 (GCVE-0-2025-8799)

Tags

Sightings

Nomenclature