CVE-2018-0020

Junos OS: rpd daemon cores due to malformed BGP UPDATE packet

HIGH

7.5

CVSS Score

Published: April 11, 2018 at 07:00 PM UTC

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

29 products affected across 2 vendorsJunosSRX5600SRX5800

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Severity

HIGH7.5

Exploit prediction

EPSS 1%

Description

Junos OS may be impacted by the receipt of a malformed BGP UPDATE which can lead to a routing process daemon (rpd) crash and restart. Receipt of a repeated malformed BGP UPDATEs can result in an extended denial of service condition for the device. This malformed BGP UPDATE does not propagate to other BGP peers. Affected releases are Juniper Networks Junos OS: 14.1X53 versions prior to 14.1X53-D47; 15.1 versions prior to 15.1F6-S10, 15.1R4-S9, 15.1R6-S6, 15.1R7; 15.1X49 versions prior to 15.1X49-D130 on SRX; 15.1X53 versions prior to 15.1X53-D66 on QFX10K; 15.1X53 versions prior to 15.1X53-D58 on EX2300/EX3400; 15.1X53 versions prior to 15.1X53-D233 on QFX5200/QFX5110; 15.1X53 versions prior to 15.1X53-D471 on NFX; 16.1 versions prior to 16.1R3-S8, 16.1R4-S9, 16.1R5-S3, 16.1R6-S3, 16.1R7; 16.1X65 versions prior to 16.1X65-D47; 16.2 versions prior to 16.2R1-S6, 16.2R2-S5, 16.2R3; 17.1 versions prior to 17.1R2-S3, 17.1R3; 17.2 versions prior to 17.2R1-S3, 17.2R2-S1, 17.2R3; 17.2X75 versions prior to 17.2X75-D70; 13.2 versions above and including 13.2R1. Versions prior to 13.2R1 are not affected. Juniper SIRT is not aware of any malicious exploitation of this vulnerability. No other Juniper Networks products or platforms are affected by this issue.

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-D4715.1 ≤ v < 15.1F6-S10, 15.1R4-S9, 15.1R6-S6, 15.1R715.1X49 ≤ v < 15.1X49-D13015.1X53 ≤ v < 15.1X53-D23315.1X53 ≤ v < 15.1X53-D47115.1X53 ≤ v < 15.1X53-D5815.1X53 ≤ v < 15.1X53-D6616.1 ≤ v < 16.1R3-S8, 16.1R4-S9, 16.1R5-S3, 16.1R6-S3, 16.1R716.1X65 ≤ v < 16.1X65-D4716.2 ≤ v < 16.2R1-S6, 16.2R2-S5, 16.2R317.1 ≤ v < 17.1R2-S3, 17.1R317.2 ≤ v < 17.2R1-S3, 17.2R2-S1, 17.2R317.2X75 ≤ v < 17.2X75-D7014.1X5314.1x5314.1x53 d15 14.1x53 d16 14.1x53 d25 14.1x53 d26 14.1x53 d27 14.1x53 d30 14.1x53 d35 14.1x53 d40 14.1x53 d42 14.1x53 d43 14.1x53 d44 14.1x53 d45 14.1x53 d46 15.1 15.1 f1 15.1 f2 15.1 f3 15.1 f4 15.1 f6 15.1 r1 15.1 r2 15.1 r3 15.1 r4 15.1 r6 15.1X49 15.1X5315.1x4915.1x49 d10 15.1x49 d100 15.1x49 d110 15.1x49 d120 15.1x49 d20 15.1x49 d30 15.1x49 d35 15.1x49 d40 15.1x49 d45 15.1x49 d50 15.1x49 d55 15.1x49 d60 15.1x49 d65 15.1x49 d70 15.1x49 d75 15.1x49 d80 15.1x49 d9015.1x5315.1x53 d10 15.1x53 d20 15.1x53 d21 15.1x53 d210 15.1x53 d230 15.1x53 d231 15.1x53 d23215.1x53 d23315.1x53 d30 15.1x53 d32 15.1x53 d33 15.1x53 d34 15.1x53 d470 15.1x53 d50 15.1x53 d51 15.1x53 d52 15.1x53 d55 15.1x53 d57 15.1x53 d58 15.1x53 d60 15.1x53 d61 15.1x53 d62 15.1x53 d63 15.1x53 d64 15.1x53 d65 15.1x53 d66 16.1 16.1 r1 16.1 r2 16.1 r3 16.1 r4 16.1 r5 16.1 r6 16.1X65 16.1x65 d30 16.1x65 d35 16.1x65 d40 16.2 16.2 r1 16.2 r2 16.2 r3 17.1 17.1 r1 17.1 r2 17.1 r3 17.2 17.2 r1 17.2 r2 17.2 r3 17.2X7517.2x75

Vendor states this is fixed in 13.2R1 (unaffected)

Affected range stops below 14.1X53-D47, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.1F6-S10, 15.1R4-S9, 15.1R6-S6, 15.1R7, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.1X49-D130, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.1X53-D233, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.1X53-D471, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.1X53-D58, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.1X53-D66, so it looks safe — our inference, not a vendor statement

Affected range stops below 16.1R3-S8, 16.1R4-S9, 16.1R5-S3, 16.1R6-S3, 16.1R7, so it looks safe — our inference, not a vendor statement

Affected range stops below 16.1X65-D47, so it looks safe — our inference, not a vendor statement

Affected range stops below 16.2R1-S6, 16.2R2-S5, 16.2R3, so it looks safe — our inference, not a vendor statement

Affected range stops below 17.1R2-S3, 17.1R3, so it looks safe — our inference, not a vendor statement

Affected range stops below 17.2R1-S3, 17.2R2-S1, 17.2R3, so it looks safe — our inference, not a vendor statement

Affected range stops below 17.2X75-D70, so it looks safe — our inference, not a vendor statement

juniper-ex2300 (environment) · juniper-ex3400 (environment) · juniper-nfx150 (environment) · juniper-nfx250 (environment) · juniper-qfx10k (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-srx300 (environment) · juniper-srx320 (environment) · juniper-srx340 (environment) · juniper-srx3400 (environment) · juniper-srx345 (environment) · juniper-srx3600 (environment) · juniper-srx4100 (environment) · juniper-srx4200 (environment) · juniper-srx4600 (environment) · juniper-srx5400 (environment) · juniper-srx550 (environment) · juniper-srx5600 (environment) · juniper-srx5800 (environment) · juniper-srx650 (environment)

Ex2300 · Juniperdevice

80%

All versions

Ex3400 · Juniperdevice

80%

All versions

Nfx150 · Juniperdevice

80%

All versions

Nfx250 · Juniperdevice

80%

All versions