CVE-2019-0009

Junos OS: EX2300 and EX3400: High disk I/O operations may disrupt the communication between RE and PFE

MEDIUM

5.5

CVSS Score

Published: January 15, 2019 at 09:00 PM UTC

Updated: June 17, 2026 at 02:07 AM UTC

3 products affected across 2 vendorsJunosEx2300Ex3400

Using Junos OS by Juniper Networks?

Get instant alerts when new vulnerabilities affect Junos OS - before attackers find them.

Real-time alertsTrack your software stackFree plan available

Start Free Sign In

Severity

MEDIUM5.5

Exploit prediction

EPSS 0.4%

Description

On EX2300 and EX3400 series, high disk I/O operations may disrupt the communication between the routing engine (RE) and the packet forwarding engine (PFE). In a virtual chassis (VC) deployment, this issue disrupts communication between the VC members. This issue does not affect other Junos platforms. Affected releases are Junos OS on EX2300 and EX3400 series: 15.1X53 versions prior to 15.1X53-D590; 18.1 versions prior to 18.1R2-S2, 18.1R3; 18.2 versions prior to 18.2R2.

Affected

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

Junos · Juniper Networks

95%

15.1X53 ≤ v < 15.1X53-D113, 15.1X53-D59018.1 ≤ v < 18.1R2-S2, 18.1R318.2 ≤ v < 18.2R215.1X53 15.1x53 d50 15.1x53 d51 15.1x53 d52 15.1x53 d55 15.1x53 d57 15.1x53 d5815.1x53 d5918.1 18.1 r1 18.2

Affected range stops below 15.1X53-D113, 15.1X53-D590, so it looks safe — our inference, not a vendor statement

Affected range stops below 18.1R2-S2, 18.1R3, so it looks safe — our inference, not a vendor statement

Affected range stops below 18.2R2, so it looks safe — our inference, not a vendor statement

juniper-ex2300 (environment) · juniper-ex3400 (environment)

Ex2300 · Juniperdevice

80%

All versions

Ex3400 · 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/JSA10909

References (2)

VDB Entryx_refsource_BIDThird Party Advisory

Source: [email protected]

http://www.securityfocus.com/bid/106548

x_refsource_CONFIRMVendor Advisory

Source: [email protected]

https://kb.juniper.net/JSA10909

CVSS

5.5MEDIUM[email protected]

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

Vector?

Quick Info

StatusMODIFIED

CWE

NVD-CWE-noinfo

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create account Sign in

Free plan, no card