CVE-2019-0007

Junos OS: vMX series: Predictable IP ID sequence numbers vulnerability

CRITICAL

9.3

CVSS Score

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

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

17 products affected across 2 vendorsJunosMx960Mx480

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Severity

CRITICAL9.3

Exploit prediction

EPSS 2%

Description

The vMX Series software uses a predictable IP ID Sequence Number. This leaves the system as well as clients connecting through the device susceptible to a family of attacks which rely on the use of predictable IP ID sequence numbers as their base method of attack. This issue was found during internal product security testing. Affected releases are Juniper Networks Junos OS: 15.1 versions prior to 15.1F5 on vMX Series.

Affected

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

Junos · Juniper Networks

95%

15.1 ≤ v < 15.1F515.1 15.1 f1 15.1 f2 15.1 f3 15.1 f4 15.1 f5

Affected range stops below 15.1F5, so it looks safe — our inference, not a vendor statement

juniper-mx10 (environment) · juniper-mx10003 (environment) · juniper-mx10008 (environment) · juniper-mx104 (environment) · juniper-mx150 (environment) · juniper-mx2008 (environment) · juniper-mx2010 (environment) · juniper-mx2020 (environment) · juniper-mx204 (environment) · juniper-mx240 (environment) · juniper-mx40 (environment) · juniper-mx480 (environment) · juniper-mx5 (environment) · juniper-mx80 (environment) · juniper-mx960 (environment) · juniper-vmx (environment)

Mx10 · Juniperdevice

80%

All versions

Mx10003 · Juniperdevice

80%

All versions

Mx10008 · Juniperdevice

80%

All versions

Mx104 · Juniperdevice

80%

All versions