fkie_cve-2021-0259
Vulnerability from fkie_nvd
Published
2021-04-22 20:15
Modified
2024-11-21 05:42
Severity ?
Summary
Due to a vulnerability in DDoS protection in Juniper Networks Junos OS and Junos OS Evolved on QFX5K Series switches in a VXLAN configuration, instability might be experienced in the underlay network as a consequence of exceeding the default ddos-protection aggregate threshold. If an attacker on a client device on the overlay network sends a high volume of specific, legitimate traffic in the overlay network, due to an improperly detected DDoS violation, the leaf might not process certain L2 traffic, sent by spines in the underlay network. Continued receipt and processing of the high volume traffic will sustain the Denial of Service (DoS) condition. This issue affects: Juniper Networks Junos OS on QFX5K Series: 17.3 versions prior to 17.3R3-S11; 17.4 versions prior to 17.4R3-S5; 18.1 versions prior to 18.1R3-S13; 18.2 versions prior to 18.2R2-S8, 18.2R3-S8; 18.3 versions prior to 18.3R3-S5; 18.4 versions prior to 18.4R1-S8, 18.4R2-S6, 18.4R3-S6; 19.1 versions prior to 19.1R3-S4; 19.2 versions prior to 19.2R1-S6, 19.2R3-S2; 19.3 versions prior to 19.3R3-S2; 19.4 versions prior to 19.4R2-S4, 19.4R3-S1; 20.1 versions prior to 20.1R2; 20.2 versions prior to 20.2R2; 20.3 versions prior to 20.3R1-S2, 20.3R2. Juniper Networks Junos OS Evolved on QFX5220: All versions prior to 20.3R2-EVO.
References
| ▼ | URL | Tags | |
|---|---|---|---|
| sirt@juniper.net | https://kb.juniper.net/JSA11150 | Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://kb.juniper.net/JSA11150 | Vendor Advisory |
Impacted products
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"value": "Debido a una vulnerabilidad en la protecci\u00f3n DDoS en Juniper Networks Junos OS y Junos OS Evolved en switches de la serie QFX5K en una configuraci\u00f3n VXLAN, una inestabilidad puede ser experimentada en la red subyacente como consecuencia de exceder el umbral agregado predeterminado ddos-protection.\u0026#xa0;Si un atacante en un dispositivo cliente en la red superpuesta env\u00eda un gran volumen de tr\u00e1fico leg\u00edtimo espec\u00edfico en la red superpuesta, debido a una violaci\u00f3n de DDoS detectada inapropiadamente, es posible que la hoja no procese determinado tr\u00e1fico L2, enviado por espinas en la red subyacente.\u0026#xa0;La recepci\u00f3n y el procesamiento continuo del tr\u00e1fico de alto volumen mantendr\u00e1 la condici\u00f3n de Denegaci\u00f3n de Servicio (DoS).\u0026#xa0;Este problema afecta a: Juniper Networks Junos OS en la serie QFX5K: versiones 17.3 anteriores a 17.3R3-S11;\u0026#xa0;versiones 17.4 anteriores a 17.4R3-S5;\u0026#xa0;versiones 18.1 anteriores a 18.1R3-S13;\u0026#xa0;versiones 18.2 anteriores a 18.2R2-S8,\u0026#xa0;18,2R3-S8;\u0026#xa0;versiones 18.3 anteriores a 18.3R3-S5;\u0026#xa0;versiones 18.4 anteriores a 18.4R1-S8, 18.4R2-S6, 18.4R3-S6;\u0026#xa0;versiones 19.1 anteriores a 19.1R3-S4;\u0026#xa0;versiones 19.2 anteriores a 19.2R1-S6, 19.2R3-S2;\u0026#xa0;versiones 19.3 anteriores a 19.3R3-S2;\u0026#xa0;versiones 19.4 anteriores a 19.4R2-S4, 19.4R3-S1;\u0026#xa0;versiones 20.1 anteriores a 20.1R2;\u0026#xa0;versiones 20.2 anteriores a 20.2R2;\u0026#xa0;versiones 20.3 anteriores a 20.3R1-S2, 20.3R2.\u0026#xa0;Juniper Networks Junos OS Evolved en QFX5220: todas las versiones anteriores a 20.3R2-EVO"
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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.