fkie_cve-2021-31362
Vulnerability from fkie_nvd
Published
2021-10-19 19:15
Modified
2024-11-21 06:05
Severity ?
Summary
A Protection Mechanism Failure vulnerability in RPD (routing protocol daemon) of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent unauthenticated attacker to cause established IS-IS adjacencies to go down by sending a spoofed hello PDU leading to a Denial of Service (DoS) condition. Continued receipted of these spoofed PDUs will create a sustained Denial of Service (DoS) condition. This issue affects: Juniper Networks Junos OS All versions prior to 18.2R3-S8; 18.3 versions prior to 18.3R3-S5; 18.4 versions prior to 18.4R3-S9; 19.1 versions prior to 19.1R3-S7; 19.2 versions prior to 19.2R1-S7, 19.2R3-S3; 19.3 versions prior to 19.3R2-S6, 19.3R3-S2; 19.4 versions prior to 19.4R3-S3; 20.1 versions prior to 20.1R3; 20.2 versions prior to 20.2R3; 20.3 versions prior to 20.3R3; 20.4 versions prior to 20.4R2. Juniper Networks Junos OS Evolved All versions prior to 20.4R2-EVO; 21.1 versions prior to 21.1R2-EVO.
References
| ▼ | URL | Tags | |
|---|---|---|---|
| sirt@juniper.net | https://kb.juniper.net/JSA11224 | Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://kb.juniper.net/JSA11224 | Vendor Advisory |
Impacted products
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],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A Protection Mechanism Failure vulnerability in RPD (routing protocol daemon) of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent unauthenticated attacker to cause established IS-IS adjacencies to go down by sending a spoofed hello PDU leading to a Denial of Service (DoS) condition. Continued receipted of these spoofed PDUs will create a sustained Denial of Service (DoS) condition. This issue affects: Juniper Networks Junos OS All versions prior to 18.2R3-S8; 18.3 versions prior to 18.3R3-S5; 18.4 versions prior to 18.4R3-S9; 19.1 versions prior to 19.1R3-S7; 19.2 versions prior to 19.2R1-S7, 19.2R3-S3; 19.3 versions prior to 19.3R2-S6, 19.3R3-S2; 19.4 versions prior to 19.4R3-S3; 20.1 versions prior to 20.1R3; 20.2 versions prior to 20.2R3; 20.3 versions prior to 20.3R3; 20.4 versions prior to 20.4R2. Juniper Networks Junos OS Evolved All versions prior to 20.4R2-EVO; 21.1 versions prior to 21.1R2-EVO."
},
{
"lang": "es",
"value": "Una vulnerabilidad de fallo de mecanismo de protecci\u00f3n en RPD (demonio de protocolo de enrutamiento) de Juniper Networks Junos OS y Junos OS Evolved permite a un atacante adyacente no autenticado causar una ca\u00edda de adyacencias IS-IS establecidas mediante el env\u00edo de una PDU de saludo falsa que conlleva a una condici\u00f3n de Denegaci\u00f3n de Servicio (DoS). Una recepci\u00f3n continuada de estas PDU falsas crear\u00e1 una condici\u00f3n de Denegaci\u00f3n de Servicio (DoS) sostenida. Este problema afecta a: Juniper Networks Junos OS Todas las versiones anteriores a 18.2R3-S8; versiones 18.3 anteriores a 18.3R3-S5; versiones 18.4 anteriores a 18.4R3-S9; versiones 19.1 anteriores a 19.1R3-S7; versiones 19.2 anteriores a 19.2R1-S7, 19.2R3-S3; 19. 3 versiones anteriores a 19.3R2-S6, 19.3R3-S2; versiones 19.4 anteriores a 19.4R3-S3; versiones 20.1 anteriores a 20.1R3; versiones 20.2 anteriores a 20.2R3; versiones 20.3 anteriores a 20.3R3; versiones 20.4 anteriores a 20.4R2. Juniper Networks Junos OS Evolved Todas las versiones anteriores a 20.4R2-EVO; versiones 21.1 anteriores a 21.1R2-EVO"
}
],
"id": "CVE-2021-31362",
"lastModified": "2024-11-21T06:05:30.550",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "LOW",
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"accessVector": "ADJACENT_NETWORK",
"authentication": "NONE",
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"vectorString": "AV:A/AC:L/Au:N/C:N/I:N/A:P",
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},
"exploitabilityScore": 6.5,
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"source": "nvd@nist.gov",
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},
"published": "2021-10-19T19:15:09.253",
"references": [
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"tags": [
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{
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{
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"value": "NVD-CWE-Other"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.