Vulnerability-Lookup

GHSA-2F8G-7HCR-FJ76

Vulnerability from github – Published: 2025-07-11 15:31 – Updated: 2025-07-11 15:31

Details

On all Junos OS and Junos OS Evolved platforms, the rpd process will crash and restart when a specifically malformed AS PATH is received within a BGP update and traceoptions are enabled.

This issue only affects systems with BGP traceoptions enabled and requires a BGP session to be already established. Systems without BGP traceoptions enabled are not impacted by this issue.

This issue affects:

Junos OS:

All versions before 21.2R3-S9,
all versions of 21.4,
from 22.2 before 22.2R3-S6,
from 22.4 before 22.4R3-S5,
from 23.2 before 23.2R2-S3,
from 23.4 before 23.4R2-S4,
from 24.2 before 24.2R2;

Junos OS Evolved:

All versions before 22.4R3-S5-EVO,
from 23.2-EVO before 23.2R2-S3-EVO,
from 23.4-EVO before 23.4R2-S4-EVO,
from 24.2-EVO before 24.2R2-EVO.

This is a more complete fix for previously published CVE-2024-39549 (JSA83011).

Severity

7.5 (High)


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

8.7 (High)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/V:C/RE:M

Show details on source website

JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2025-52946"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-07-11T15:15:24Z",
    "severity": "HIGH"
  },
  "details": "A Use After Free vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Juniper Networks Junos OS Evolved allows an attacker sending a BGP update with a specifically malformed AS PATH to cause rpd to crash, resulting in a Denial of Service (DoS). Continuous receipt of the malformed AS PATH attribute will cause a sustained DoS condition.\n\nOn all Junos OS and Junos OS Evolved platforms, the rpd process will crash and restart when a specifically malformed AS PATH is received within a BGP update and traceoptions are enabled.\n\nThis issue only affects systems with BGP traceoptions enabled and requires a BGP session to be already established.  Systems without BGP traceoptions enabled are not impacted by this issue.\n\n\n\nThis issue affects:\n\n\u00a0Junos OS:\n\n\n\n  *  All versions before 21.2R3-S9,\u00a0\n  *  all versions of 21.4,\n  *  from 22.2 before 22.2R3-S6,\u00a0\n  *  from 22.4 before 22.4R3-S5,\u00a0\n  *  from 23.2 before 23.2R2-S3,\u00a0\n  *  from 23.4 before 23.4R2-S4,\u00a0\n  *  from 24.2 before 24.2R2;\u00a0\n\n\n\n\nJunos OS Evolved:\u00a0\n\n\n\n  *  All versions before 22.4R3-S5-EVO,\u00a0\n  *  from 23.2-EVO before 23.2R2-S3-EVO,\u00a0\n  *  from 23.4-EVO before 23.4R2-S4-EVO,\u00a0\n  *  from 24.2-EVO before 24.2R2-EVO.\n\n\n\n\n\n\n\nThis is a more complete fix for previously published CVE-2024-39549 (JSA83011).",
  "id": "GHSA-2f8g-7hcr-fj76",
  "modified": "2025-07-11T15:31:37Z",
  "published": "2025-07-11T15:31:37Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-52946"
    },
    {
      "type": "WEB",
      "url": "https://supportportal.juniper.net/JSA100050"
    }
  ],
  "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:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/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:Y/R:A/V:C/RE:M/U:X",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2025-52946 (GCVE-0-2025-52946)

Vulnerability from cvelistv5 – Published: 2025-07-11 14:39 – Updated: 2025-07-11 15:25

Title

Junos OS and Junos OS Evolved: With traceoptions enabled, receipt of malformed AS PATH causes RPD crash

Summary

A Use After Free vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Juniper Networks Junos OS Evolved allows an attacker sending a BGP update with a specifically malformed AS PATH to cause rpd to crash, resulting in a Denial of Service (DoS). Continuous receipt of the malformed AS PATH attribute will cause a sustained DoS condition. On all Junos OS and Junos OS Evolved platforms, the rpd process will crash and restart when a specifically malformed AS PATH is received within a BGP update and traceoptions are enabled. This issue only affects systems with BGP traceoptions enabled and requires a BGP session to be already established. Systems without BGP traceoptions enabled are not impacted by this issue. This issue affects: Junos OS: * All versions before 21.2R3-S9, * all versions of 21.4, * from 22.2 before 22.2R3-S6, * from 22.4 before 22.4R3-S5, * from 23.2 before 23.2R2-S3, * from 23.4 before 23.4R2-S4, * from 24.2 before 24.2R2; Junos OS Evolved: * All versions before 22.4R3-S5-EVO, * from 23.2-EVO before 23.2R2-S3-EVO, * from 23.4-EVO before 23.4R2-S4-EVO, * from 24.2-EVO before 24.2R2-EVO. This is a more complete fix for previously published CVE-2024-39549 (JSA83011).

Severity

7.5 (High)


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

8.7 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/V:C/RE:M

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-07-11 15:25 UTC

CWE

CWE-416 - Use After Free

Assigner

juniper mitre root Scorecard

References

1 reference

URL	Tags
https://supportportal.juniper.net/JSA100050	vendor-advisory

Impacted products

2 products

Vendor	Product	Version
Juniper Networks	Junos OS	Affected: 0 , < 21.2R3-S9 (semver) Affected: 21.4 , < * (sem) Affected: 22.2 , < 22.2R3-S6 (semver) Affected: 22.4 , < 22.4R3-S5 (semver) Affected: 23.2 , < 23.2R2-S3 (semver) Affected: 23.4 , < 23.4R2-S4 (semver) Affected: 24.2 , < 24.2R2 (semver)
Juniper Networks	Junos OS Evolved	Affected: 0 , < 22.4R3-S5-EVO (semver) Affected: 23.2-EVO , < 23.2R2-S3-EVO (semver) Affected: 23.4-EVO , < 23.4R2-S4-EVO (semver) Affected: 24.2-EVO , < 24.2R2-EVO (semver)

Date Public

2025-07-09 16:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-52946",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-07-11T15:25:22.848492Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-07-11T15:25:30.605Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
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              "lessThan": "22.2R3-S6",
              "status": "affected",
              "version": "22.2",
              "versionType": "semver"
            },
            {
              "lessThan": "22.4R3-S5",
              "status": "affected",
              "version": "22.4",
              "versionType": "semver"
            },
            {
              "lessThan": "23.2R2-S3",
              "status": "affected",
              "version": "23.2",
              "versionType": "semver"
            },
            {
              "lessThan": "23.4R2-S4",
              "status": "affected",
              "version": "23.4",
              "versionType": "semver"
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              "version": "24.2",
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            },
            {
              "lessThan": "23.4R2-S4-EVO",
              "status": "affected",
              "version": "23.4-EVO",
              "versionType": "semver"
            },
            {
              "lessThan": "24.2R2-EVO",
              "status": "affected",
              "version": "24.2-EVO",
              "versionType": "semver"
            }
          ]
        }
      ],
      "configurations": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "One of the following traceoptions configurations, either at the top level, under [logical-systems], or [routing-instances], is required to be potentially exposed to this issue:\u003cbr\u003e\u003cbr\u003e\u003ctt\u003e[protocols bgp traceoptions]\u003cbr\u003e[protocols bgp group \u0026lt;group-name\u0026gt; traceoptions]\u003cbr\u003e[protocols bgp group \u0026lt;group-name\u0026gt; neighbor \u0026lt;address\u0026gt; traceoptions]\u003c/tt\u003e\n\n\u003cbr\u003e"
            }
          ],
          "value": "One of the following traceoptions configurations, either at the top level, under [logical-systems], or [routing-instances], is required to be potentially exposed to this issue:\n\n[protocols bgp traceoptions]\n[protocols bgp group \u003cgroup-name\u003e traceoptions]\n[protocols bgp group \u003cgroup-name\u003e neighbor \u003caddress\u003e traceoptions]"
        }
      ],
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              "value": "\u003cp\u003eA Use After Free vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Juniper Networks Junos OS Evolved allows an attacker sending a BGP update with a specifically malformed AS PATH to cause rpd to crash, resulting in a Denial of Service (DoS). Continuous receipt of the malformed AS PATH attribute will cause a sustained DoS condition.\u003cbr\u003e\u003cbr\u003eOn all Junos OS and Junos OS Evolved platforms, the rpd process will crash and restart when a specifically malformed AS PATH is received within a BGP update and traceoptions are enabled.\u003c/p\u003e\u003cp\u003eThis issue only affects systems with BGP traceoptions enabled and requires a BGP session to be already established.  Systems without BGP traceoptions enabled are not impacted by this issue.\u003cbr\u003e\u003cbr\u003e\u003c/p\u003e\u003cp\u003eThis issue affects:\u003c/p\u003e\u003cp\u003e\u0026nbsp;Junos OS:\u003c/p\u003e\u003cp\u003e\u003c/p\u003e\u003cul\u003e\u003cli\u003eAll versions before 21.2R3-S9,\u0026nbsp;\u003c/li\u003e\u003cli\u003eall versions of 21.4,\u003c/li\u003e\u003cli\u003efrom 22.2 before 22.2R3-S6,\u0026nbsp;\u003c/li\u003e\u003cli\u003efrom 22.4 before 22.4R3-S5,\u0026nbsp;\u003c/li\u003e\u003cli\u003efrom 23.2 before 23.2R2-S3,\u0026nbsp;\u003c/li\u003e\u003cli\u003efrom 23.4 before 23.4R2-S4,\u0026nbsp;\u003c/li\u003e\u003cli\u003efrom 24.2 before 24.2R2;\u0026nbsp;\u003c/li\u003e\u003c/ul\u003e\u003cp\u003e\u003c/p\u003e\u003cp\u003eJunos OS Evolved:\u0026nbsp;\u003c/p\u003e\u003cp\u003e\u003c/p\u003e\u003cul\u003e\u003cli\u003eAll versions before 22.4R3-S5-EVO,\u0026nbsp;\u003c/li\u003e\u003cli\u003efrom 23.2-EVO before 23.2R2-S3-EVO,\u0026nbsp;\u003c/li\u003e\u003cli\u003efrom 23.4-EVO before 23.4R2-S4-EVO,\u0026nbsp;\u003c/li\u003e\u003cli\u003efrom 24.2-EVO before 24.2R2-EVO.\u003c/li\u003e\u003c/ul\u003e\u003cp\u003e\u003c/p\u003e\n\n\u003cbr\u003eThis is a more complete fix for previously published CVE-2024-39549 (JSA83011).\u003cbr\u003e"
            }
          ],
          "value": "A Use After Free vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Juniper Networks Junos OS Evolved allows an attacker sending a BGP update with a specifically malformed AS PATH to cause rpd to crash, resulting in a Denial of Service (DoS). Continuous receipt of the malformed AS PATH attribute will cause a sustained DoS condition.\n\nOn all Junos OS and Junos OS Evolved platforms, the rpd process will crash and restart when a specifically malformed AS PATH is received within a BGP update and traceoptions are enabled.\n\nThis issue only affects systems with BGP traceoptions enabled and requires a BGP session to be already established.  Systems without BGP traceoptions enabled are not impacted by this issue.\n\n\n\nThis issue affects:\n\n\u00a0Junos OS:\n\n\n\n  *  All versions before 21.2R3-S9,\u00a0\n  *  all versions of 21.4,\n  *  from 22.2 before 22.2R3-S6,\u00a0\n  *  from 22.4 before 22.4R3-S5,\u00a0\n  *  from 23.2 before 23.2R2-S3,\u00a0\n  *  from 23.4 before 23.4R2-S4,\u00a0\n  *  from 24.2 before 24.2R2;\u00a0\n\n\n\n\nJunos OS Evolved:\u00a0\n\n\n\n  *  All versions before 22.4R3-S5-EVO,\u00a0\n  *  from 23.2-EVO before 23.2R2-S3-EVO,\u00a0\n  *  from 23.4-EVO before 23.4R2-S4-EVO,\u00a0\n  *  from 24.2-EVO before 24.2R2-EVO.\n\n\n\n\n\n\n\nThis is a more complete fix for previously published CVE-2024-39549 (JSA83011)."
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Sightings

Author	Source	Type	Date	Other

Nomenclature

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Confirmed: The vulnerability has been validated from an analyst's perspective.
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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.

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.
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GHSA-2F8G-7HCR-FJ76

CVE-2025-52946 (GCVE-0-2025-52946)

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