Vulnerability-Lookup

CVE-2024-34476 (GCVE-0-2024-34476)

Vulnerability from cvelistv5 – Published: 2024-05-04 00:00 – Updated: 2024-08-02 02:51

Summary

Open5GS before 2.7.1 is vulnerable to a reachable assertion that can cause an AMF crash via NAS messages from a UE: ogs_nas_encrypt in lib/nas/common/security.c for pkbuf->len.

Severity

5.3 (Medium)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-07-16 13:00 UTC

CWE

n/a
CWE-805 - Buffer Access with Incorrect Length Value

Assigner

mitre mitre root

References

2 references

URL	Tags
https://github.com/open5gs/open5gs/pull/3122
https://github.com/open5gs/open5gs/compare/v2.7.0…

Impacted products

1 product

Vendor	Product	Version	CPE status
open5gs	open5gs	Affected: 2.7.0 , < 2.7.1 (semver) cpe:2.3:a:open5gs:open5gs:2.7.0:::::::*

Show details on NVD website

JSON

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CNVD-2025-18583

Vulnerability from cnvd - Published: 2025-08-15

Title

Open5GS拒绝服务漏洞（CNVD-2025-18583）

Description

Open5GS是一个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导致AMF崩溃。

Severity

高

Patch Name

Open5GS拒绝服务漏洞（CNVD-2025-18583）的补丁

Patch Description

Open5GS是一个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导致AMF崩溃。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

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/pull/3122

Reference

https://nvd.nist.gov/vuln/detail/CVE-2024-34476

Impacted products

Name
Open5GS Open5GS <2.7.1

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2024-34476",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2024-34476"
    }
  },
  "description": "Open5GS\u662f\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\u5bfc\u81f4AMF\u5d29\u6e83\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/pull/3122",
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  "number": "CNVD-2025-18583",
  "openTime": "2025-08-15",
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  "serverity": "\u9ad8",
  "submitTime": "2024-05-14",
  "title": "Open5GS\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2025-18583\uff09"
}

FKIE_CVE-2024-34476

Vulnerability from fkie_nvd - Published: 2024-05-05 00:15 - Updated: 2026-06-17 07:33

Severity

5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Summary

Open5GS before 2.7.1 is vulnerable to a reachable assertion that can cause an AMF crash via NAS messages from a UE: ogs_nas_encrypt in lib/nas/common/security.c for pkbuf->len.

References

URL	Tags
cve@mitre.org	https://github.com/open5gs/open5gs/compare/v2.7.0...v2.7.1	Release Notes, Vendor Advisory
cve@mitre.org	https://github.com/open5gs/open5gs/pull/3122	Issue Tracking, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	https://github.com/open5gs/open5gs/compare/v2.7.0...v2.7.1	Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	https://github.com/open5gs/open5gs/pull/3122	Issue Tracking, Vendor Advisory

Impacted products

	Vendor	Product	Version
	open5gs	open5gs	*

JSON

To clipboard

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    },
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      "lang": "es",
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  ],
  "id": "CVE-2024-34476",
  "lastModified": "2026-06-17T07:33:29.663",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-34476",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-07-16T13:00:40.500215Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-05-05T00:15:07.330",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "https://github.com/open5gs/open5gs/compare/v2.7.0...v2.7.1"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Issue Tracking",
        "Vendor Advisory"
      ],
      "url": "https://github.com/open5gs/open5gs/pull/3122"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "https://github.com/open5gs/open5gs/compare/v2.7.0...v2.7.1"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Issue Tracking",
        "Vendor Advisory"
      ],
      "url": "https://github.com/open5gs/open5gs/pull/3122"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-805"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}

GHSA-W664-JC4G-5PM6

Vulnerability from github – Published: 2024-05-05 00:30 – Updated: 2024-08-01 15:31

Details

Open5GS before 2.7.1 is vulnerable to a reachable assertion that can cause an AMF crash via NAS messages from a UE: ogs_nas_encrypt in lib/nas/common/security.c for pkbuf->len.

Severity

5.3 (Medium)


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

Show details on source website

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{
  "affected": [],
  "aliases": [
    "CVE-2024-34476"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-805"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-05-05T00:15:07Z",
    "severity": "MODERATE"
  },
  "details": "Open5GS before 2.7.1 is vulnerable to a reachable assertion that can cause an AMF crash via NAS messages from a UE: ogs_nas_encrypt in lib/nas/common/security.c for pkbuf-\u003elen.",
  "id": "GHSA-w664-jc4g-5pm6",
  "modified": "2024-08-01T15:31:43Z",
  "published": "2024-05-05T00:30:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-34476"
    },
    {
      "type": "WEB",
      "url": "https://github.com/open5gs/open5gs/pull/3122"
    },
    {
      "type": "WEB",
      "url": "https://github.com/open5gs/open5gs/compare/v2.7.0...v2.7.1"
    }
  ],
  "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"
    }
  ]
}

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

CVE-2024-34476 (GCVE-0-2024-34476)

CNVD-2025-18583

FKIE_CVE-2024-34476

GHSA-W664-JC4G-5PM6

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Sightings

Nomenclature

Related by attack behaviour