CVE-2022-22186

Junos OS: EX4650 Series: Certain traffic received by the Junos OS device on the management interface may be forwarded to egress interfaces instead of discarded

MEDIUM

6.5

CVSS Score

Published: April 14, 2022 at 03:50 PM UTC

Updated: June 17, 2026 at 04:27 AM UTC

2 products affected across 2 vendorsJunosEx4650

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Severity

MEDIUM6.5

Exploit prediction

EPSS 0.6%

Description

Due to an Improper Initialization vulnerability in Juniper Networks Junos OS on EX4650 devices, packets received on the management interface (em0) but not destined to the device, may be improperly forwarded to an egress interface, instead of being discarded. Such traffic being sent by a client may appear genuine, but is non-standard in nature and should be considered as potentially malicious. This issue affects: Juniper Networks Junos OS on EX4650 Series: All versions prior to 19.1R3-S8; 19.2 versions prior to 19.2R3-S5; 19.3 versions prior to 19.3R3-S5; 19.4 versions prior to 19.4R3-S7; 20.1 versions prior to 20.1R3-S3; 20.2 versions prior to 20.2R3-S4; 20.3 versions prior to 20.3R3-S3; 20.4 versions prior to 20.4R3-S2; 21.1 versions prior to 21.1R3-S1; 21.2 versions prior to 21.2R3; 21.3 versions prior to 21.3R2; 21.4 versions prior to 21.4R2; 22.1 versions prior to 22.1R1.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Junos · Juniper Networks

95%

v < 19.1v < 19.1R3-S819.2 ≤ v < 19.2R3-S519.3 ≤ v < 19.3R3-S519.4 ≤ v < 19.4R3-S720.1 ≤ v < 20.1R3-S320.2 ≤ v < 20.2R3-S420.3 ≤ v < 20.3R3-S320.4 ≤ v < 20.4R3-S221.1 ≤ v < 21.1R3-S121.2 ≤ v < 21.2R321.3 ≤ v < 21.3R221.4 ≤ v < 21.4R219.1 19.1 r1 19.1 r1-s1 19.1 r1-s2 19.1 r1-s3 19.1 r1-s4 19.1 r1-s5 19.1 r1-s6 19.1 r2 19.1 r2-s1 19.1 r2-s2 19.1 r2-s3 19.1 r3 19.1 r3-s1 19.1 r3-s2 19.1 r3-s3 19.1 r3-s4 19.1 r3-s5 19.1 r3-s6 19.1 r3-s7 19.2 19.2 r1 19.2 r1-s1 19.2 r1-s2 19.2 r1-s3 19.2 r1-s4 19.2 r1-s5 19.2 r1-s6 19.2 r1-s7 19.2 r2 19.2 r2-s1 19.2 r3 19.2 r3-s1 19.2 r3-s2 19.2 r3-s3 19.2 r3-s4 19.3 19.3 r1 19.3 r1-s1 19.3 r2 19.3 r2-s1 19.3 r2-s2 19.3 r2-s3 19.3 r2-s4 19.3 r2-s5 19.3 r2-s6 19.3 r3 19.3 r3-s1 19.3 r3-s2 19.3 r3-s3 19.3 r3-s4 19.4 19.4 r1 19.4 r1-s1 19.4 r1-s2 19.4 r1-s3 19.4 r1-s4 19.4 r2 19.4 r2-s1 19.4 r2-s2 19.4 r2-s3 19.4 r2-s4 19.4 r2-s5 19.4 r3 19.4 r3-s1 19.4 r3-s2 19.4 r3-s3 19.4 r3-s4 19.4 r3-s5 19.4 r3-s6 20.1 20.1 r1 20.1 r1-s1 20.1 r1-s2 20.1 r1-s3 20.1 r1-s4 20.1 r2 20.1 r2-s1 20.1 r2-s2 20.1 r3 20.1 r3-s1 20.1 r3-s2 20.2 20.2 r1 20.2 r1-s1 20.2 r1-s2 20.2 r1-s3 20.2 r2 20.2 r2-s1 20.2 r2-s2 20.2 r2-s3 20.2 r3 20.2 r3-s1 20.2 r3-s2 20.2 r3-s3 20.3 20.3 r1 20.3 r1-s1 20.3 r2 20.3 r2-s1 20.3 r3 20.3 r3-s1 20.3 r3-s2 20.4 20.4 r1 20.4 r1-s1 20.4 r2 20.4 r2-s1 20.4 r3 20.4 r3-s1 21.1 21.1 r1 21.1 r1-s1 21.1 r2 21.1 r2-s1 21.1 r2-s2 21.1 r3 21.2 21.2 r1 21.2 r1-s1 21.2 r1-s2 21.2 r2 21.2 r2-s1 21.2 r2-s2 21.3 21.3 r1 21.3 r1-s1 21.3 r1-s2 21.4 21.4 r1 21.4 r1-s1

Affected range stops below 19.1, so it looks safe — our inference, not a vendor statement

Affected range stops below 19.1R3-S8, so it looks safe — our inference, not a vendor statement

Affected range stops below 19.2R3-S5, so it looks safe — our inference, not a vendor statement

Affected range stops below 19.3R3-S5, so it looks safe — our inference, not a vendor statement

Affected range stops below 19.4R3-S7, so it looks safe — our inference, not a vendor statement

Affected range stops below 20.1R3-S3, so it looks safe — our inference, not a vendor statement

Affected range stops below 20.2R3-S4, so it looks safe — our inference, not a vendor statement

Affected range stops below 20.3R3-S3, so it looks safe — our inference, not a vendor statement

Affected range stops below 20.4R3-S2, so it looks safe — our inference, not a vendor statement

Affected range stops below 21.1R3-S1, so it looks safe — our inference, not a vendor statement

Affected range stops below 21.2R3, so it looks safe — our inference, not a vendor statement

Affected range stops below 21.3R2, so it looks safe — our inference, not a vendor statement

Affected range stops below 21.4R2, so it looks safe — our inference, not a vendor statement

juniper-ex4650 (environment)

Ex4650 · Juniperdevice

80%

All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://kb.juniper.net/JSA69494

References (1)

x_refsource_CONFIRMMitigationVendor Advisory

Source: [email protected]

https://kb.juniper.net/JSA69494

CVSS

6.5MEDIUM[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: LOW
Integrity: LOW
Availability: NONE

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-665

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