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CVE-2022-222195.9MediumCWE-241

CVE-2022-22219: Junos OS and Junos OS Evolved: RPD core upon receipt of a specific EVPN route by a BGP route reflector in an EVPN environment

Juniper Networks · Junos OS

Vendor fix available · Affected: Juniper Networks Junos OS · Exploitation: unlikely (under 1%)

Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.

0.7%probability of exploitation in the next 30 days
53rd percentile
050100

Higher than 53% of scored CVEs

5.9MediumCVSS 3.1
LowMedium

DescriptionCVE.org

Due to the Improper Handling of an Unexpected Data Type in the processing of EVPN routes on Juniper Networks Junos OS and Junos OS Evolved, an attacker in direct control of a BGP client connected to a route reflector, or via a machine in the middle (MITM) attack, can send a specific EVPN route contained within a BGP Update, triggering a routing protocol daemon (RPD) crash, leading to a Denial of Service (DoS) condition. Continued receipt and processing of these specific EVPN routes could create a sustained Denial of Service (DoS) condition. This issue only occurs on BGP route reflectors, only within a BGP EVPN multicast environment, and only when one or more BGP clients have 'leave-sync-route-oldstyle' enabled. This issue affects: Juniper Networks Junos OS 21.3 versions prior to 21.3R3-S2; 21.4 versions prior to 21.4R2-S2, 21.4R3; 22.1 versions prior to 22.1R1-S2, 22.1R3; 22.2 versions prior to 22.2R2. Juniper Networks Junos OS Evolved 21.3 version 21.3R1-EVO and later versions prior to 21.4R3-EVO; 22.1 versions prior to 22.1R1-S2-EVO, 22.1R3-EVO; 22.2 versions prior to 22.2R2-EVO. This issue does not affect: Juniper Networks Junos OS versions prior to 21.3R1. Juniper Networks Junos OS Evolved versions prior to 21.3R1-EVO.

Affected products2

From the CVE record. A product or version that is not listed is unknown, not unaffected.

  • Juniper Networks · Junos OSfrom 21.3 before 21.3R3-S2; from 21.4 before 21.4R2-S2, 21.4R3; from 22.1 before 22.1R1-S2, 22.1R3; from 22.2 before 22.2R2
  • Juniper Networks · Junos OS Evolvedfrom 21.3R1-EVO before 21.3*; from 21.4 before 21.4R3-EVO; from 22.1 before 22.1R1-S2-EVO, 22.1R3-EVO; from 22.2 before 22.2R2-EVO

On the Atlas

Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.

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Exploitation
Unlikely (under 1%). EPSS under 1%, or no score yet.
CISA KEV
Not listed
Public check
No public nuclei template
Published
October 2022

CoverageNo articles yet

No CyberSIXT article names CVE-2022-22219 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.

References

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