Vulnerability-Lookup

GHSA-678R-9946-9XWP

Vulnerability from github – Published: 2025-08-10 12:30 – Updated: 2025-08-15 15:30

Details

A vulnerability has been found in Open5GS up to 2.7.5 and classified as problematic. Affected by this vulnerability is the function ngap_build_downlink_nas_transport of the component AMF. The manipulation leads to reachable assertion. 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 identifier of the patch is bca0a7b6e01d254f4223b83831162566d4626428. It is recommended to upgrade the affected component.

Severity

5.3 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

5.5 (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

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{
  "affected": [],
  "aliases": [
    "CVE-2025-8804"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-617"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-08-10T10:15:26Z",
    "severity": "MODERATE"
  },
  "details": "A vulnerability has been found in Open5GS up to 2.7.5 and classified as problematic. Affected by this vulnerability is the function ngap_build_downlink_nas_transport of the component AMF. The manipulation leads to reachable assertion. 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 identifier of the patch is bca0a7b6e01d254f4223b83831162566d4626428. It is recommended to upgrade the affected component.",
  "id": "GHSA-678r-9946-9xwp",
  "modified": "2025-08-15T15:30:21Z",
  "published": "2025-08-10T12:30:24Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-8804"
    },
    {
      "type": "WEB",
      "url": "https://github.com/open5gs/open5gs/issues/3950"
    },
    {
      "type": "WEB",
      "url": "https://github.com/open5gs/open5gs/issues/3950#issuecomment-3034693457"
    },
    {
      "type": "WEB",
      "url": "https://github.com/open5gs/open5gs/commit/bca0a7b6e01d254f4223b83831162566d4626428"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ZHENGHAOHELLO/BugReport/blob/main/CVE-2025-8804"
    },
    {
      "type": "WEB",
      "url": "https://github.com/open5gs/open5gs/releases/tag/v2.7.6"
    },
    {
      "type": "WEB",
      "url": "https://github.com/user-attachments/files/21030801/newdata_for_ngap.zip"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/?ctiid.319333"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/?id.319333"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/?submit.625698"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/?submit.626124"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "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/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",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2025-8804 (GCVE-0-2025-8804)

Vulnerability from cvelistv5 – Published: 2025-08-10 10:02 – Updated: 2025-08-15 13:44

Title

Open5GS AMF ngap_build_downlink_nas_transport assertion

Summary

A vulnerability was found in Open5GS up to 2.7.5. Affected by this vulnerability is the function ngap_build_downlink_nas_transport of the component AMF. The manipulation leads to reachable assertion. 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 identifier of the patch is bca0a7b6e01d254f4223b83831162566d4626428. 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

SSVC

Exploitation: poc Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-08-11 15:16 UTC

CWE

CWE-617 - Reachable Assertion

Assigner

VulDB mitre root

References

10 references

URL	Tags
https://vuldb.com/?id.319333	vdb-entrytechnical-description
https://vuldb.com/?ctiid.319333	signaturepermissions-required
https://vuldb.com/?submit.626124	third-party-advisory
https://vuldb.com/?submit.625698	third-party-advisory
https://github.com/open5gs/open5gs/issues/3950	issue-tracking
https://github.com/open5gs/open5gs/issues/3950#is…	issue-tracking
https://github.com/user-attachments/files/2103080…	exploit
https://github.com/open5gs/open5gs/commit/bca0a7b…	patch
https://github.com/open5gs/open5gs/releases/tag/v2.7.6	patch
https://github.com/ZHENGHAOHELLO/BugReport/blob/m…	related

Impacted products

1 product

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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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-8804",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-08-11T15:16:24.584857Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-08-12T16:03:08.846Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "exploit"
            ],
            "url": "https://github.com/open5gs/open5gs/issues/3950"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "modules": [
            "AMF"
          ],
          "product": "Open5GS",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "2.7.0"
            },
            {
              "status": "affected",
              "version": "2.7.1"
            },
            {
              "status": "affected",
              "version": "2.7.2"
            },
            {
              "status": "affected",
              "version": "2.7.3"
            },
            {
              "status": "affected",
              "version": "2.7.4"
            },
            {
              "status": "affected",
              "version": "2.7.5"
            },
            {
              "status": "unaffected",
              "version": "2.7.6"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "lixxxiang (VulDB User)"
        },
        {
          "lang": "en",
          "type": "analyst",
          "value": "lixxxiang (VulDB User)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability was found in Open5GS up to 2.7.5. Affected by this vulnerability is the function ngap_build_downlink_nas_transport of the component AMF. The manipulation leads to reachable assertion. 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 identifier of the patch is bca0a7b6e01d254f4223b83831162566d4626428. It is recommended to upgrade the affected component."
        },
        {
          "lang": "de",
          "value": "Dabei geht es um die Funktion ngap_build_downlink_nas_transport der Komponente AMF. Durch die Manipulation mit unbekannten Daten kann eine reachable assertion-Schwachstelle ausgenutzt werden. Die Umsetzung des Angriffs kann dabei \u00fcber das Netzwerk erfolgen. Der Exploit steht zur \u00f6ffentlichen Verf\u00fcgung. Ein Aktualisieren auf die Version 2.7.6 vermag dieses Problem zu l\u00f6sen. Der Patch wird als bca0a7b6e01d254f4223b83831162566d4626428 bezeichnet. Als bestm\u00f6gliche Massnahme wird das Einspielen eines Upgrades empfohlen."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 6.9,
            "baseSeverity": "MEDIUM",
            "vectorString": "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",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "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",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "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",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 5,
            "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:OF/RC:C",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-617",
              "description": "Reachable Assertion",
              "lang": "en",
              "type": "CWE"
            }
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      ],
      "providerMetadata": {
        "dateUpdated": "2025-08-15T13:44:07.710Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-319333 | Open5GS AMF ngap_build_downlink_nas_transport assertion",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/?id.319333"
        },
        {
          "name": "VDB-319333 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/?ctiid.319333"
        },
        {
          "name": "Submit #626124 | Open5GS \u003c=v2.7.5 Denail of Service",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/?submit.626124"
        },
        {
          "name": "Submit #625698 | Open5GS \u003c= v2.7.5  Denial of Service (Duplicate)",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/?submit.625698"
        },
        {
          "tags": [
            "issue-tracking"
          ],
          "url": "https://github.com/open5gs/open5gs/issues/3950"
        },
        {
          "tags": [
            "issue-tracking"
          ],
          "url": "https://github.com/open5gs/open5gs/issues/3950#issuecomment-3034693457"
        },
        {
          "tags": [
            "exploit"
          ],
          "url": "https://github.com/user-attachments/files/21030801/newdata_for_ngap.zip"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/open5gs/open5gs/commit/bca0a7b6e01d254f4223b83831162566d4626428"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/open5gs/open5gs/releases/tag/v2.7.6"
        },
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          "tags": [
            "related"
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          "url": "https://github.com/ZHENGHAOHELLO/BugReport/blob/main/CVE-2025-8804"
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          "time": "2025-08-09T00:00:00.000Z",
          "value": "Advisory disclosed"
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          "lang": "en",
          "time": "2025-08-09T02:00:00.000Z",
          "value": "VulDB entry created"
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        {
          "lang": "en",
          "time": "2025-08-15T15:47:27.000Z",
          "value": "VulDB entry last update"
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      "title": "Open5GS AMF ngap_build_downlink_nas_transport assertion"
    }
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  "cveMetadata": {
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    "dateReserved": "2025-08-09T07:40:27.192Z",
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    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

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GHSA-678R-9946-9XWP

CVE-2025-8804 (GCVE-0-2025-8804)

Tags

Sightings

Nomenclature

Related by attack behaviour