FKIE_CVE-2021-0205
Vulnerability from fkie_nvd - Published: 2021-01-15 18:15 - Updated: 2024-11-21 05:42
Severity ?
Summary
When the "Intrusion Detection Service" (IDS) feature is configured on Juniper Networks MX series with a dynamic firewall filter using IPv6 source or destination prefix, it may incorrectly match the prefix as /32, causing the filter to block unexpected traffic. This issue affects only IPv6 prefixes when used as source and destination. This issue affects MX Series devices using MS-MPC, MS-MIC or MS-SPC3 service cards with IDS service configured. This issue affects: Juniper Networks Junos OS 17.3 versions prior to 17.3R3-S10 on MX Series; 17.4 versions prior to 17.4R3-S3 on MX Series; 18.1 versions prior to 18.1R3-S11 on MX Series; 18.2 versions prior to 18.2R3-S6 on MX Series; 18.3 versions prior to 18.3R3-S4 on MX Series; 18.4 versions prior to 18.4R3-S6 on MX Series; 19.1 versions prior to 19.1R2-S2, 19.1R3-S3 on MX Series; 19.2 versions prior to 19.2R3-S1 on MX Series; 19.3 versions prior to 19.3R2-S5, 19.3R3-S1 on MX Series; 19.4 versions prior to 19.4R3 on MX Series; 20.1 versions prior to 20.1R2 on MX Series; 20.2 versions prior to 20.2R2 on MX Series;
References
| URL | Tags | ||
|---|---|---|---|
| sirt@juniper.net | https://kb.juniper.net/JSA11095 | Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://kb.juniper.net/JSA11095 | Vendor Advisory |
Impacted products
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"lang": "en",
"value": "When the \"Intrusion Detection Service\" (IDS) feature is configured on Juniper Networks MX series with a dynamic firewall filter using IPv6 source or destination prefix, it may incorrectly match the prefix as /32, causing the filter to block unexpected traffic. This issue affects only IPv6 prefixes when used as source and destination. This issue affects MX Series devices using MS-MPC, MS-MIC or MS-SPC3 service cards with IDS service configured. This issue affects: Juniper Networks Junos OS 17.3 versions prior to 17.3R3-S10 on MX Series; 17.4 versions prior to 17.4R3-S3 on MX Series; 18.1 versions prior to 18.1R3-S11 on MX Series; 18.2 versions prior to 18.2R3-S6 on MX Series; 18.3 versions prior to 18.3R3-S4 on MX Series; 18.4 versions prior to 18.4R3-S6 on MX Series; 19.1 versions prior to 19.1R2-S2, 19.1R3-S3 on MX Series; 19.2 versions prior to 19.2R3-S1 on MX Series; 19.3 versions prior to 19.3R2-S5, 19.3R3-S1 on MX Series; 19.4 versions prior to 19.4R3 on MX Series; 20.1 versions prior to 20.1R2 on MX Series; 20.2 versions prior to 20.2R2 on MX Series;"
},
{
"lang": "es",
"value": "Cuando la funcionalidad \"Intrusion Detection Service\" (IDS) est\u00e1 configurada en la serie Juniper Networks MX con un filtro de firewall din\u00e1mico usando el prefijo de origen o destino de IPv6, puede coincidir incorrectamente con el prefijo como /32, causando que el filtro bloquee el tr\u00e1fico inesperado.\u0026#xa0;Este problema afecta solo a los prefijos de IPv6 cuando se utilizan como origen y destino.\u0026#xa0;Este problema afecta a los dispositivos de la Serie MX que utilizan tarjetas de servicio MS-MPC, MS-MIC o MS-SPC3 con el servicio IDS configurado.\u0026#xa0;Este problema afecta a: Juniper Networks Junos OS versiones 17.3 anteriores a 17.3R3-S10 en la Serie MX;\u0026#xa0;versiones 17.4 anteriores a 17.4R3-S3 en la Serie MX;\u0026#xa0;versiones 18.1 anteriores a 18.1R3-S11 en la Serie MX;\u0026#xa0;versiones 18.2 anteriores a 18.2R3-S6 en la Serie MX;\u0026#xa0;versiones 18.3 anteriores a 18.3R3-S4 en la Serie MX;\u0026#xa0;versiones 18.4 anteriores a 18.4R3-S6 en la Serie MX;\u0026#xa0;versiones 19.1 anteriores a 19.1R2-S2, 19.1R3-S3 en la Serie MX;\u0026#xa0;versiones 19.2 anteriores a 19.2R3-S1 en la Serie MX;\u0026#xa0;versiones 19.3 anteriores a 19.3R2-S5, 19.3R3-S1 en la Serie MX;\u0026#xa0;versiones 19.4 anteriores a 19.4R3 en la Serie MX;\u0026#xa0;20.1 versiones anteriores a 20.1R2 en la Serie MX;\u0026#xa0;20.2 versiones anteriores a 20.2R2 en la Serie MX"
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],
"id": "CVE-2021-0205",
"lastModified": "2024-11-21T05:42:11.930",
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"authentication": "NONE",
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"vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
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]
}
Loading…
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Sightings
| Author | Source | Type | Date |
|---|
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.
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