CVE-2018-0005

Security Bulletin: Junos OS: MAC move limit configured to drop traffic may forward traffic.

HIGH

7.4

CVSS Score

Published: January 10, 2018 at 10:00 PM UTC

Updated: June 17, 2026 at 01:29 AM UTC

19 products affected across 2 vendorsJunosQfx5200Qfx5110

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Severity

HIGH7.4

Exploit prediction

EPSS 0.7%

Description

QFX and EX Series switches configured to drop traffic when the MAC move limit is exceeded will forward traffic instead of dropping traffic. This can lead to denials of services or other unintended conditions. Affected releases are Juniper Networks Junos OS: 14.1X53 versions prior to 14.1X53-D40; 15.1X53 versions prior to 15.1X53-D55; 15.1 versions prior to 15.1R7.

Affected

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

Junos · Juniper Networks

95%

14.1X53 ≤ v < 14.1X53-D4015.1 ≤ v < 15.1R715.1X53 ≤ v < 15.1X53-D5514.1X5314.1x5314.1x53 d10 14.1x53 d15 14.1x53 d16 14.1x53 d25 14.1x53 d26 14.1x53 d27 14.1x53 d30 14.1x53 d35 15.1 15.1 r1 15.1 r2 15.1 r3 15.1 r4 15.1 r5 15.1 r6 15.1X53 15.1x53 d20 15.1x53 d21 15.1x53 d30 15.1x53 d32 15.1x53 d33 15.1x53 d34 15.1x53 d50 15.1x53 d51 15.1x53 d52

Affected range stops below 14.1X53-D40, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.1R7, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.1X53-D55, so it looks safe — our inference, not a vendor statement

juniper-ex-rps (environment) · juniper-ex2200 (environment) · juniper-ex2200-c (environment) · juniper-ex2300 (environment) · juniper-ex2300-c (environment) · juniper-ex3300 (environment) · juniper-ex3400 (environment) · juniper-ex4200 (environment) · juniper-ex4300 (environment) · juniper-ex4550 (environment) · juniper-ex4600 (environment) · juniper-ex9200 (environment) · juniper-qfx10002 (environment) · juniper-qfx10008 (environment) · juniper-qfx10016 (environment) · juniper-qfx5100 (environment) · juniper-qfx5110 (environment) · juniper-qfx5200 (environment)

Ex Rps · Juniperdevice

80%

All versions

Ex2200 · Juniperdevice

80%

All versions

Ex2200-C · Juniperdevice

80%

All versions

Ex2300 · Juniperdevice

80%

All versions