Vulnerability-Lookup

FKIE_CVE-2022-22227

Vulnerability from fkie_nvd - Published: 2022-10-18 03:15 - Updated: 2026-06-17 04:28

Severity

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

Summary

An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS Evolved on ACX7000 Series allows an unauthenticated network-based attacker to cause a partial Denial of Service (DoS). On receipt of specific IPv6 transit traffic, Junos OS Evolved on ACX7100-48L, ACX7100-32C and ACX7509 sends this traffic to the Routing Engine (RE) instead of forwarding it, leading to increased CPU utilization of the RE and a partial DoS. This issue only affects systems configured with IPv6. This issue does not affect ACX7024 which is supported from 22.3R1-EVO onwards where the fix has already been incorporated as indicated in the solution section. This issue affects Juniper Networks Junos OS Evolved on ACX7100-48L, ACX7100-32C, ACX7509: 21.1-EVO versions prior to 21.1R3-S2-EVO; 21.2-EVO versions prior to 21.2R3-S2-EVO; 21.3-EVO versions prior to 21.3R3-EVO; 21.4-EVO versions prior to 21.4R1-S1-EVO, 21.4R2-EVO. This issue does not affect Juniper Networks Junos OS Evolved versions prior to 21.1R1-EVO.

References

	URL	Tags
	sirt@juniper.net	https://kb.juniper.net/JSA69878	Vendor Advisory
	af854a3a-2127-422b-91ae-364da2661108	https://kb.juniper.net/JSA69878	Vendor Advisory

Impacted products

Vendor	Product	Version
juniper	junos_os_evolved	21.1
juniper	junos_os_evolved	21.1
juniper	junos_os_evolved	21.1
juniper	junos_os_evolved	21.1
juniper	junos_os_evolved	21.1
juniper	junos_os_evolved	21.1
juniper	junos_os_evolved	21.2
juniper	junos_os_evolved	21.2
juniper	junos_os_evolved	21.2
juniper	junos_os_evolved	21.2
juniper	junos_os_evolved	21.2
juniper	junos_os_evolved	21.2
juniper	junos_os_evolved	21.2
juniper	junos_os_evolved	21.2
juniper	junos_os_evolved	21.2
juniper	junos_os_evolved	21.3
juniper	junos_os_evolved	21.3
juniper	junos_os_evolved	21.3
juniper	junos_os_evolved	21.3
juniper	junos_os_evolved	21.3
juniper	junos_os_evolved	21.3
juniper	junos_os_evolved	21.4
juniper	junos_os_evolved	21.4
juniper	acx7100-32c	-
juniper	acx7100-48l	-
juniper	acx7509	-

JSON

To clipboard

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS Evolved on ACX7000 Series allows an unauthenticated network-based attacker to cause a partial Denial of Service (DoS). On receipt of specific IPv6 transit traffic, Junos OS Evolved on ACX7100-48L, ACX7100-32C and ACX7509 sends this traffic to the Routing Engine (RE) instead of forwarding it, leading to increased CPU utilization of the RE and a partial DoS. This issue only affects systems configured with IPv6. This issue does not affect ACX7024 which is supported from 22.3R1-EVO onwards where the fix has already been incorporated as indicated in the solution section. This issue affects Juniper Networks Junos OS Evolved on ACX7100-48L, ACX7100-32C, ACX7509: 21.1-EVO versions prior to 21.1R3-S2-EVO; 21.2-EVO versions prior to 21.2R3-S2-EVO; 21.3-EVO versions prior to 21.3R3-EVO; 21.4-EVO versions prior to 21.4R1-S1-EVO, 21.4R2-EVO. This issue does not affect Juniper Networks Junos OS Evolved versions prior to 21.1R1-EVO."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de comprobaci\u00f3n inapropiada de condiciones inusuales o excepcionales en Packet Forwarding Engine (PFE) de Juniper Networks Junos OS Evolved on ACX7000 Series permite a un atacante no autenticado basado en la red causar una Denegaci\u00f3n de Servicio (DoS) parcial. Al recibir un tr\u00e1fico de tr\u00e1nsito IPv6 espec\u00edfico, Junos OS Evolved en ACX7100-48L, ACX7100-32C y ACX7509 env\u00eda este tr\u00e1fico al motor de enrutamiento (RE) en lugar de reenviarlo, conllevando a un aumento del uso de la CPU del RE y una denegaci\u00f3n de servicio parcial. Este problema s\u00f3lo afecta a sistemas configurados con IPv6. Este problema no afecta al ACX7024, que es admitido a partir de la versi\u00f3n 22.3R1-EVO, en la que ya ha sido incorporado la correcci\u00f3n como es indicado en la secci\u00f3n de soluciones. Este problema afecta a Juniper Networks Junos OS Evolved en ACX7100-48L, ACX7100-32C, ACX7509: versiones 21.1-EVO anteriores a 21.1R3-S2-EVO; versiones 21.2-EVO anteriores a 21.2R3-S2-EVO; versiones 21.3-EVO anteriores a 21.3R3-EVO; versiones 21.4-EVO anteriores a 21.4R1-S1-EVO, 21.4R2-EVO. Este problema no afecta a Juniper Networks Junos OS Evolved versiones anteriores a 21.1R1-EVO"
    }
  ],
  "id": "CVE-2022-22227",
  "lastModified": "2026-06-17T04:28:03.390",
  "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",
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        "type": "Secondary"
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    ],
    "ssvcV203": [
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2022-22227",
          "options": [
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              "exploitation": "none"
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              "automatable": "yes"
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            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-05-12T14:29:48.739364Z",
          "version": "2.0.3"
        }
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  "published": "2022-10-18T03:15:09.997",
  "references": [
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      "source": "sirt@juniper.net",
      "tags": [
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      "url": "https://kb.juniper.net/JSA69878"
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  ],
  "sourceIdentifier": "sirt@juniper.net",
  "vulnStatus": "Modified",
  "weaknesses": [
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          "value": "CWE-754"
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      "source": "sirt@juniper.net",
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      ],
      "source": "nvd@nist.gov",
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}

CVE-2022-22227 (GCVE-0-2022-22227)

Vulnerability from cvelistv5 – Published: 2022-10-18 02:46 – Updated: 2025-05-12 14:29

Title

Junos OS Evolved: ACX7000 Series: Specific IPv6 transit traffic gets exceptioned to the routing-engine which causes increased CPU utilization

Summary

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 2025-05-12 14:29 UTC

CWE

CWE-754 - Improper Check for Unusual or Exceptional Conditions
Denial of Service (DoS)

Assigner

juniper mitre root

References

1 reference

URL	Tags
https://kb.juniper.net/JSA69878

Impacted products

1 product

Vendor	Product	Version
Juniper Networks	Junos OS Evolved	Unaffected: unspecified , < 21.1R1-EVO (custom) Affected: 21.1-EVO , < 21.1R3-S2-EVO (custom) Affected: 21.2-EVO , < 21.2R3-S2-EVO (custom) Affected: 21.3-EVO , < 21.3R3-EVO (custom) Affected: 21.4-EVO , < 21.4R1-S1-EVO, 21.4R2-EVO (custom)

Date Public

2022-10-12 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T03:07:50.130Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://kb.juniper.net/JSA69878"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2022-22227",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
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                "timestamp": "2025-05-12T14:29:48.739364Z",
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        ],
        "providerMetadata": {
          "dateUpdated": "2025-05-12T14:29:55.117Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
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            "ACX7100-48L, ACX7100-32C, ACX7509"
          ],
          "product": "Junos OS Evolved",
          "vendor": "Juniper Networks",
          "versions": [
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              "status": "unaffected",
              "version": "unspecified",
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            },
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            },
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          ]
        }
      ],
      "configurations": [
        {
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          "value": "To be exposed to this vulnerability a device needs to be configured with a minimal IPv6 configuration like in the following example:\n\n  [ interfaces \u003cinterface\u003e unit \u003cunit number\u003e family inet6 ]"
        }
      ],
      "datePublic": "2022-10-12T00:00:00.000Z",
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          "lang": "en",
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        }
      ],
      "exploits": [
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          "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."
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      "metrics": [
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            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
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      "solutions": [
        {
          "lang": "en",
          "value": "The following software releases have been updated to resolve this specific issue: 21.1R3-S2-EVO, 21.2R3-S2-EVO, 21.3R3-EVO, 21.4R1-S1-EVO, 21.4R2-EVO, 22.1R1-EVO, and all subsequent releases."
        }
      ],
      "source": {
        "advisory": "JSA69878",
        "defect": [
          "1641006"
        ],
        "discovery": "USER"
      },
      "title": "Junos OS Evolved: ACX7000 Series: Specific IPv6 transit traffic gets exceptioned to the routing-engine which causes increased CPU utilization",
      "workarounds": [
        {
          "lang": "en",
          "value": "There are no viable workarounds for this issue."
        }
      ],
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
    "assignerShortName": "juniper",
    "cveId": "CVE-2022-22227",
    "datePublished": "2022-10-18T02:46:28.960Z",
    "dateReserved": "2021-12-21T00:00:00.000Z",
    "dateUpdated": "2025-05-12T14:29:55.117Z",
    "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.