Vulnerability-Lookup

GHSA-MQMR-5X7C-PXXX

Vulnerability from github – Published: 2025-06-03 18:30 – Updated: 2025-06-03 18:30

Details

A vulnerability was found in Open5GS up to 2.7.3. It has been classified as problematic. Affected is the function gmm_state_authentication/emm_state_authentication of the component AMF/MME. The manipulation leads to reachable assertion. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The name of the patch is 9f5d133657850e6167231527514ee1364d37a884. It is recommended to apply a patch to fix this issue. This is a different issue than CVE-2025-1893.

Severity

5.3 (Medium)


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

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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2025-5520"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-617"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-06-03T18:15:27Z",
    "severity": "MODERATE"
  },
  "details": "A vulnerability was found in Open5GS up to 2.7.3. It has been classified as problematic. Affected is the function gmm_state_authentication/emm_state_authentication of the component AMF/MME. The manipulation leads to reachable assertion. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The name of the patch is 9f5d133657850e6167231527514ee1364d37a884. It is recommended to apply a patch to fix this issue. This is a different issue than CVE-2025-1893.",
  "id": "GHSA-mqmr-5x7c-pxxx",
  "modified": "2025-06-03T18:30:42Z",
  "published": "2025-06-03T18:30:42Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-5520"
    },
    {
      "type": "WEB",
      "url": "https://github.com/open5gs/open5gs/issues/3910"
    },
    {
      "type": "WEB",
      "url": "https://github.com/open5gs/open5gs/issues/3910#issuecomment-2926719317"
    },
    {
      "type": "WEB",
      "url": "https://github.com/open5gs/open5gs/commit/9f5d133657850e6167231527514ee1364d37a884"
    },
    {
      "type": "WEB",
      "url": "https://github.com/user-attachments/files/20362243/Problematic.handover.required.process.zip"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/?ctiid.310956"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/?id.310956"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/?submit.582269"
    }
  ],
  "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:X/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-2025-5520 (GCVE-0-2025-5520)

Vulnerability from cvelistv5 – Published: 2025-06-03 18:00 – Updated: 2025-06-03 18:21

Title

Open5GS AMF/MME emm_state_authentication assertion

Summary

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

5.3 (Medium)


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

5.3 (Medium)


                        
                          CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

SSVC

Exploitation: poc Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-06-03 18:21 UTC

CWE

CWE-617 - Reachable Assertion

Assigner

VulDB mitre root

References

7 references

URL	Tags
https://vuldb.com/?id.310956	vdb-entrytechnical-description
https://vuldb.com/?ctiid.310956	signaturepermissions-required
https://vuldb.com/?submit.582269	third-party-advisory
https://github.com/open5gs/open5gs/issues/3910	issue-tracking
https://github.com/open5gs/open5gs/issues/3910#is…	issue-tracking
https://github.com/user-attachments/files/2036224…	exploit
https://github.com/open5gs/open5gs/commit/9f5d133…	patch

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

Credits

SQ0409 (VulDB User)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-5520",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-06-03T18:21:05.766060Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-06-03T18:21:12.742Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "exploit"
            ],
            "url": "https://github.com/open5gs/open5gs/issues/3910"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "modules": [
            "AMF/MME"
          ],
          "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"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "SQ0409 (VulDB User)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability was found in Open5GS up to 2.7.3. It has been classified as problematic. Affected is the function gmm_state_authentication/emm_state_authentication of the component AMF/MME. The manipulation leads to reachable assertion. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The name of the patch is 9f5d133657850e6167231527514ee1364d37a884. It is recommended to apply a patch to fix this issue. This is a different issue than CVE-2025-1893."
        },
        {
          "lang": "de",
          "value": "Es wurde eine problematische Schwachstelle in Open5GS bis 2.7.3 ausgemacht. Hiervon betroffen ist die Funktion gmm_state_authentication/emm_state_authentication der Komponente AMF/MME. Durch Manipulieren mit unbekannten Daten kann eine reachable assertion-Schwachstelle ausgenutzt werden. Der Angriff kann \u00fcber das Netzwerk angegangen werden. Der Exploit steht zur \u00f6ffentlichen Verf\u00fcgung. Der Patch wird als 9f5d133657850e6167231527514ee1364d37a884 bezeichnet. Als bestm\u00f6gliche Massnahme wird Patching 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",
            "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",
            "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",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 5,
            "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-617",
              "description": "Reachable Assertion",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-06-03T18:00:22.302Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-310956 | Open5GS AMF/MME emm_state_authentication assertion",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/?id.310956"
        },
        {
          "name": "VDB-310956 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/?ctiid.310956"
        },
        {
          "name": "Submit #582269 | Open5GS \u003c=2.7.3 Reachable Assertion",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/?submit.582269"
        },
        {
          "tags": [
            "issue-tracking"
          ],
          "url": "https://github.com/open5gs/open5gs/issues/3910"
        },
        {
          "tags": [
            "issue-tracking"
          ],
          "url": "https://github.com/open5gs/open5gs/issues/3910#issuecomment-2926719317"
        },
        {
          "tags": [
            "exploit"
          ],
          "url": "https://github.com/user-attachments/files/20362243/Problematic.handover.required.process.zip"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/open5gs/open5gs/commit/9f5d133657850e6167231527514ee1364d37a884"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2025-06-03T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2025-06-03T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2025-06-03T11:25:41.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "Open5GS AMF/MME emm_state_authentication assertion"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2025-5520",
    "datePublished": "2025-06-03T18:00:22.302Z",
    "dateReserved": "2025-06-03T09:20:37.588Z",
    "dateUpdated": "2025-06-03T18:21:12.742Z",
    "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.

Action not permitted

GHSA-MQMR-5X7C-PXXX

CVE-2025-5520 (GCVE-0-2025-5520)

Tags

Sightings

Nomenclature

Related by attack behaviour