CVE-2018-0049

Junos OS: Receipt of a specifically crafted malicious MPLS packet leads to a Junos kernel crash.

HIGH

7.5

CVSS Score

Published: October 10, 2018 at 06:00 PM UTC

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

58 products affected across 2 vendorsJunosSRX5600SRX5800

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Severity

HIGH7.5

Exploit prediction

EPSS 2%

Description

A NULL Pointer Dereference vulnerability in Juniper Networks Junos OS allows an attacker to cause the Junos OS kernel to crash. Continued receipt of this specifically crafted malicious MPLS packet will cause a sustained Denial of Service condition. This issue require it to be received on an interface configured to receive this type of traffic. Affected releases are Juniper Networks Junos OS: 12.1X46 versions above and including 12.1X46-D76 prior to 12.1X46-D81 on SRX100, SRX110, SRX210, SRX220, SRX240m, SRX550m SRX650, SRX300, SRX320, SRX340, SRX345, SRX1500, SRX4100, SRX4200, SRX4600 and vSRX; 12.3R12-S10; 12.3X48 versions above and including 12.3X48-D66 prior to 12.3X48-D75 on SRX100, SRX110, SRX210, SRX220, SRX240m, SRX550m SRX650, SRX300, SRX320, SRX340, SRX345, SRX1500, SRX4100, SRX4200, SRX4600 and vSRX; 14.1X53-D47 on EX2200/VC, EX3200, EX3300/VC, EX4200, EX4300, EX4550/VC, EX4600, EX6200, EX8200/VC (XRE), QFX3500, QFX3600, QFX5100; 14.1X53 versions above and including 14.1X53-D115 prior to 14.1X53-D130 on QFabric System; 15.1 versions above and including 15.1F6-S10; 15.1R4-S9; 15.1R6-S6; 15.1 versions above and including 15.1R7 prior to 15.1R7-S2; 15.1X49 versions above and including 15.1X49-D131 prior to 15.1X49-D150 on SRX100, SRX110, SRX210, SRX220, SRX240m, SRX550m SRX650, SRX300, SRX320, SRX340, SRX345, SRX1500, SRX4100, SRX4200, SRX4600 and vSRX; 15.1X53 versions above 15.1X53-D233 prior to 15.1X53-D235 on QFX5200/QFX5110; 15.1X53 versions up to and including 15.1X53-D471 prior to 15.1X53-D590 on NFX150, NFX250; 15.1X53-D67 on QFX10000 Series; 15.1X53-D59 on EX2300/EX3400; 16.1 versions above and including 16.1R3-S8; 16.1 versions above and including 16.1R4-S9 prior to 16.1R4-S12; 16.1 versions above and including 16.1R5-S4; 16.1 versions above and including 16.1R6-S3 prior to 16.1R6-S6; 16.1 versions above and including 16.1R7 prior to 16.1R7-S2; 16.2 versions above and including 16.2R1-S6; 16.2 versions above and including 16.2R2-S5 prior to 16.2R2-S7; 17.1R1-S7; 17.1 versions above and including 17.1R2-S7 prior to 17.1R2-S9; 17.2R1-S6; 17.2 versions above and including 17.2R2-S4 prior to 17.2R2-S6; 17.2X75 versions above and including 17.2X75-D100 prior to X17.2X75-D101, 17.2X75-D110; 17.3 versions above and including 17.3R1-S4 on All non-SRX Series and SRX100, SRX110, SRX210, SRX220, SRX240m, SRX550m SRX650, SRX300, SRX320, SRX340, SRX345, SRX1500, SRX4100, SRX4200, SRX4600 and vSRX; 17.3 versions above and including 17.3R2-S2 prior to 17.3R2-S4 on All non-SRX Series and SRX100, SRX110, SRX210, SRX220, SRX240m, SRX550m SRX650, SRX300, SRX320, SRX340, SRX345, SRX1500, SRX4100, SRX4200, SRX4600 and vSRX; 17.3R3 on All non-SRX Series and SRX100, SRX110, SRX210, SRX220, SRX240m, SRX550m SRX650, SRX300, SRX320, SRX340, SRX345, SRX1500, SRX4100, SRX4200, SRX4600 and vSRX; 17.4 versions above and including 17.4R1-S3 prior to 17.4R1-S5 on All non-SRX Series and SRX100, SRX110, SRX210, SRX220, SRX240m, SRX550m SRX650, SRX300, SRX320, SRX340, SRX345, SRX1500, SRX4100, SRX4200, SRX4600 and vSRX; 17.4R2 on All non-SRX Series and SRX100, SRX110, SRX210, SRX220, SRX240m, SRX550m SRX650, SRX300, SRX320, SRX340, SRX345, SRX1500, SRX4100, SRX4200, SRX4600 and vSRX; 18.1 versions above and including 18.1R2 prior to 18.1R2-S3, 18.1R3 on All non-SRX Series and SRX100, SRX110, SRX210, SRX220, SRX240m, SRX550m SRX650, SRX300, SRX320, SRX340, SRX345, SRX1500, SRX4100, SRX4200, SRX4600 and vSRX; 18.2 versions above and including 18.2R1 prior to 18.2R1-S2, 18.2R1-S3, 18.2R2 on All non-SRX Series and SRX100, SRX110, SRX210, SRX220, SRX240m, SRX550m SRX650, SRX300, SRX320, SRX340, SRX345, SRX1500, SRX4100, SRX4200, SRX4600 and vSRX; 18.2X75 versions above and including 18.2X75-D5 prior to 18.2X75-D20.

Affected

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

Junos · Juniper Networks

95%

12.1X46-D76 ≤ v < 12.1X46*12.3X48-D66 ≤ v < 12.3X48*14.1X53-D115 ≤ v < 14.1X53*15.1F6-S10 ≤ v < 15.1*15.1X49-D131 ≤ v < 15.1X49*15.1X53 ≤ v ≤ 15.1X53-D47115.1X53-D233 ≤ v < 15.1X53*16.1R3-S8 ≤ v < 16.1*16.2R1-S6 ≤ v < 16.2*17.1R2-S7 ≤ v < 17.1*17.2R2-S4 ≤ v < 17.2*17.2X75-D100 ≤ v < 17.2X75*17.3R1-S4 ≤ v < 17.3*17.4R1-S3 ≤ v < 17.4*18.1R2 ≤ v < 18.1*18.2R1 ≤ v < 18.2*18.2X75-D5 ≤ v < 18.2X75*12.1X46-D7612.1x46 d7612.1x46 d77 12.3 r12-s10 12.3R12-S10 12.3X48-D6612.3x48 d6612.3x48 d70 14.1X53-D115 14.1X53-D4714.1x53 d4715.1 f6-s10 15.1 f6-s12 15.1 f7 15.1 r 15.1 r1 15.1 r2 15.1 r3 15.1 r4 15.1 r4-s7 15.1 r4-s8 15.1 r4-s9 15.1 r5 15.1 r5-s1 15.1 r5-s3 15.1 r5-s5 15.1 r5-s6 15.1 r6 15.1 r6-s1 15.1 r6-s2 15.1 r6-s3 15.1 r6-s4 15.1 r6-s6 15.1 r7 15.1 r7-s1 15.1F6-S10 15.1R4-S9 15.1R6-S6 15.1X49-D131 15.1X53 15.1X53-D233 15.1X53-D59 15.1X53-D6715.1x49 d13115.1x49 d14015.1x53 d23315.1x53 d234 15.1x53 d471 15.1x53 d490 15.1x53 d49515.1x53 d5915.1x53 d6716.1 r3-s8 16.1 r4 16.1 r4-s2 16.1 r4-s3 16.1 r4-s4 16.1 r4-s6 16.1 r4-s8 16.1 r4-s9 16.1 r5-s4 16.1 r6 16.1 r6-s1 16.1 r6-s3 16.1 r6-s4 16.1 r7 16.1R3-S8 16.2 r1-s6 16.2 r2 16.2 r2-s1 16.2 r2-s10 16.2 r2-s2 16.2 r2-s5 16.2 r2-s6 16.2R1-S6 17.1 r1-s7 17.1 r2-s7 17.1 r2-s8 17.1R1-S7 17.1R2-S7 17.2 r1-s6 17.2 r2-s4 17.2R1-S6 17.2R2-S4 17.2X75-D10017.2x75 d10017.3 r1-s4 17.3 r2 17.3 r2-s1 17.3 r2-s2 17.3 r2-s3 17.3 r3 17.3R1-S4 17.3R3 17.4 r1-s3 17.4 r1-s4 17.4 r2 17.4R1-S3 17.4R2 18.1 r2 18.1 r2-s1 18.1 r2-s2 18.1R2 18.2 r1 18.2R1 18.2X75-D518.2x75 d1218.2x75 d5

Affected range stops below 12.1X46*, so it looks safe — our inference, not a vendor statement

Affected range stops below 12.3X48*, so it looks safe — our inference, not a vendor statement

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

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

Affected range stops below 15.1X49*, so it looks safe — our inference, not a vendor statement

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

Affected range stops below 16.1*, so it looks safe — our inference, not a vendor statement

Affected range stops below 16.2*, so it looks safe — our inference, not a vendor statement

Affected range stops below 17.1*, so it looks safe — our inference, not a vendor statement

Affected range stops below 17.2*, so it looks safe — our inference, not a vendor statement

Affected range stops below 17.2X75*, so it looks safe — our inference, not a vendor statement

Affected range stops below 17.3*, so it looks safe — our inference, not a vendor statement

Affected range stops below 17.4*, so it looks safe — our inference, not a vendor statement

Affected range stops below 18.1*, so it looks safe — our inference, not a vendor statement

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

Affected range stops below 18.2X75*, so it looks safe — our inference, not a vendor statement

juniper-ex2200 (environment) · juniper-ex2200-vc (environment) · juniper-ex2300 (environment) · juniper-ex3200 (environment) · juniper-ex3300 (environment) · juniper-ex3300-vc (environment) · juniper-ex3400 (environment) · juniper-ex4200 (environment) · juniper-ex4300 (environment) · juniper-ex4550 (environment) · juniper-ex4550-vc (environment) · juniper-ex4600 (environment) · juniper-ex6200 (environment) · juniper-ex8200 (environment) · juniper-ex8200-vc (environment) · juniper-nfx150 (environment) · juniper-nfx250 (environment) · juniper-qfx10000 (environment) · juniper-qfx10002 (environment) · juniper-qfx10002-32q (environment) · juniper-qfx10002-60c (environment) · juniper-qfx10002-72q (environment) · juniper-qfx10008 (environment) · juniper-qfx10016 (environment) · juniper-qfx3500 (environment) · juniper-qfx3600 (environment) · juniper-qfx5100 (environment) · juniper-qfx5110 (environment) · juniper-qfx5200 (environment) · juniper-srx100 (environment) · juniper-srx110 (environment) · juniper-srx1400 (environment) · juniper-srx1500 (environment) · juniper-srx210 (environment) · juniper-srx220 (environment) · juniper-srx240 (environment) · juniper-srx240h2 (environment) · juniper-srx240m (environment) · juniper-srx300 (environment) · juniper-srx320 (environment) · juniper-srx340 (environment) · juniper-srx3400 (environment) · juniper-srx345 (environment) · juniper-srx3600 (environment) · juniper-srx380 (environment) · juniper-srx4000 (environment) · juniper-srx4100 (environment) · juniper-srx4200 (environment) · juniper-srx4600 (environment) · juniper-srx5000 (environment) · juniper-srx5400 (environment) · juniper-srx550 (environment) · juniper-srx550-hm (environment) · juniper-srx550m (environment) · juniper-srx5600 (environment) · juniper-srx5800 (environment) · juniper-srx650 (environment)

Ex2200 · Juniperdevice

80%

All versions

Ex2200-Vc · Juniperdevice

80%

All versions

Ex2300 · Juniperdevice

80%

All versions

Ex3200 · Juniperdevice

80%

All versions