Vulnerability-Lookup

FKIE_CVE-2022-22195

Vulnerability from fkie_nvd - Published: 2022-04-14 16:15 - Updated: 2026-06-17 04:27

Severity

7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Summary

An Improper Update of Reference Count vulnerability in the kernel of Juniper Networks Junos OS Evolved allows an unauthenticated, network-based attacker to trigger a counter overflow, eventually causing a Denial of Service (DoS). This issue affects Juniper Networks Junos OS Evolved: All versions prior to 20.4R3-S1-EVO; 21.1 versions prior to 21.1R3-EVO; 21.2 versions prior to 21.2R3-EVO; 21.3 versions prior to 21.3R2-EVO. This issue does not affect Juniper Networks Junos OS.

References

	URL	Tags
	sirt@juniper.net	https://kb.juniper.net/JSA69508	Vendor Advisory
	af854a3a-2127-422b-91ae-364da2661108	https://kb.juniper.net/JSA69508	Vendor Advisory

Impacted products

Vendor	Product	Version
juniper	junos_os_evolved	*
juniper	junos_os_evolved	20.4
juniper	junos_os_evolved	20.4
juniper	junos_os_evolved	20.4
juniper	junos_os_evolved	20.4
juniper	junos_os_evolved	20.4
juniper	junos_os_evolved	20.4
juniper	junos_os_evolved	20.4
juniper	junos_os_evolved	20.4
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	21.3
juniper	junos_os_evolved	21.3

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Junos OS Evolved",
          "vendor": "Juniper Networks",
          "versions": [
            {
              "lessThan": "20.4R3-S1-EVO",
              "status": "affected",
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              "versionType": "custom"
            },
            {
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              "status": "affected",
              "version": "21.1",
              "versionType": "custom"
            },
            {
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              "status": "affected",
              "version": "21.2",
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            },
            {
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              "status": "affected",
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            }
          ]
        },
        {
          "product": "Junos OS",
          "vendor": "Juniper Networks",
          "versions": [
            {
              "status": "unaffected",
              "version": "any"
            }
          ]
        }
      ],
      "source": "sirt@juniper.net"
    }
  ],
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              "versionEndExcluding": "20.4",
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            },
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              "vulnerable": true
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              "vulnerable": true
            }
          ],
          "negate": false,
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      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An Improper Update of Reference Count vulnerability in the kernel of Juniper Networks Junos OS Evolved allows an unauthenticated, network-based attacker to trigger a counter overflow, eventually causing a Denial of Service (DoS). This issue affects Juniper Networks Junos OS Evolved: All versions prior to 20.4R3-S1-EVO; 21.1 versions prior to 21.1R3-EVO; 21.2 versions prior to 21.2R3-EVO; 21.3 versions prior to 21.3R2-EVO. This issue does not affect Juniper Networks Junos OS."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de Actualizaci\u00f3n Inapropiada del Recuento de Referencias en el kernel de Juniper Networks Junos OS Evolved permite a un atacante no autenticado y basado en la red desencadenar un desbordamiento del contador, causando eventualmente una Denegaci\u00f3n de Servicio (DoS). Este problema afecta a Juniper Networks Junos OS Evolved: Todas las versiones anteriores a 20.4R3-S1-EVO; versiones 21.1 anteriores a 21.1R3-EVO; versiones 21.2 anteriores a 21.2R3-EVO; versiones 21.3 anteriores a 21.3R2-EVO. Este problema no afecta a Juniper Networks Junos OS"
    }
  ],
  "id": "CVE-2022-22195",
  "lastModified": "2026-06-17T04:27:58.663",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 7.8,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 6.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "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:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "sirt@juniper.net",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "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:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2022-04-14T16:15:08.473",
  "references": [
    {
      "source": "sirt@juniper.net",
      "tags": [
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      ],
      "url": "https://kb.juniper.net/JSA69508"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://kb.juniper.net/JSA69508"
    }
  ],
  "sourceIdentifier": "sirt@juniper.net",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-911"
        }
      ],
      "source": "sirt@juniper.net",
      "type": "Secondary"
    }
  ]
}

CVE-2022-22195 (GCVE-0-2022-22195)

Vulnerability from cvelistv5 – Published: 2022-04-14 15:50 – Updated: 2024-09-16 23:11

Title

Junos OS Evolved: Specific packets reaching the RE lead to a counter overflow and eventually a crash

Summary

Severity

7.5 (High)


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

CWE

CWE-911 - Improper Update of Reference Count
Denial of Service (DoS)

Assigner

juniper mitre root Scorecard

References

1 reference

URL	Tags
https://kb.juniper.net/JSA69508	x_refsource_CONFIRM

Impacted products

2 products

Vendor	Product	Version
Juniper Networks	Junos OS Evolved	Affected: unspecified , < 20.4R3-S1-EVO (custom) Affected: 21.1 , < 21.1R3-EVO (custom) Affected: 21.2 , < 21.2R3-EVO (custom) Affected: 21.3 , < 21.3R2-EVO (custom)
Juniper Networks	Junos OS	Unaffected: any

Date Public

2022-04-13 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T03:07:49.890Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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            "url": "https://kb.juniper.net/JSA69508"
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        ],
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    ],
    "cna": {
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          "vendor": "Juniper Networks",
          "versions": [
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              "lessThan": "21.1R3-EVO",
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          ]
        },
        {
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        }
      ],
      "exploits": [
        {
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      "metrics": [
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        }
      ],
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    "dateReserved": "2021-12-21T00:00:00.000Z",
    "dateUpdated": "2024-09-16T23:11:31.592Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
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}

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.

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.
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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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FKIE_CVE-2022-22195

CVE-2022-22195 (GCVE-0-2022-22195)

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