CVE-2020-1613

Junos OS: BGP session termination upon receipt of specific BGP FlowSpec advertisement.

HIGH

7.5

CVSS Score

Published: April 8, 2020 at 07:25 PM UTC

Updated: June 17, 2026 at 03:01 AM UTC

46 products affected across 2 vendorsJunosSRX5600SRX5800

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

HIGH7.5

Exploit prediction

EPSS 1%

Description

A vulnerability in the BGP FlowSpec implementation may cause a Juniper Networks Junos OS device to terminate an established BGP session upon receiving a specific BGP FlowSpec advertisement. The BGP NOTIFICATION message that terminates an established BGP session is sent toward the peer device that originally sent the specific BGP FlowSpec advertisement. This specific BGP FlowSpec advertisement received from a BGP peer might get propagated from a Junos OS device running the fixed release to another device that is vulnerable causing BGP session termination downstream. This issue affects IPv4 and IPv6 BGP FlowSpec deployment. This issue affects Juniper Networks Junos OS: 12.3; 12.3X48 on SRX Series; 14.1X53 on EX and QFX Series; 15.1 versions prior to 15.1R7-S5; 15.1F versions prior to 15.1F6-S13; 15.1X49 versions prior to 15.1X49-D180 on SRX Series; 15.1X53 versions prior to 15.1X53-D238 on QFX5200/QFX5110; 15.1X53 versions prior to 15.1X53-D497 on NFX Series; 15.1X53 versions prior to 15.1X53-D592 on EX2300/EX3400; 16.1 versions prior to 16.1R7-S7; 17.1 versions prior to 17.1R2-S12, 17.1R3; 17.2 versions prior to 17.2R2-S7, 17.2R3; 17.2X75 versions prior to 17.2X75-D102, 17.2X75-D110, 17.2X75-D44; 17.3 versions prior to 17.3R2-S5, 17.3R3-S5; 17.4 versions prior to 17.4R1-S8, 17.4R2; 18.1 versions prior to 18.1R2-S4, 18.1R3; 18.2X75 versions 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%

15.1 ≤ v < 15.1R7-S515.1F ≤ v < 15.1F6-S1315.1X49 ≤ v < 15.1X49-D18015.1X53 ≤ v < 15.1X53-D23815.1X53 ≤ v < 15.1X53-D49715.1X53 ≤ v < 15.1X53-D59216.1 ≤ v < 16.1R7-S717.1 ≤ v < 17.1R2-S12, 17.1R317.2 ≤ v < 17.2R2-S7, 17.2R317.2X75 ≤ v < 17.2X75-D102, 17.2X75-D110, 17.2X75-D4417.3 ≤ v < 17.3R2-S5, 17.3R3-S517.4 ≤ v < 17.4R1-S8, 17.4R218.1 ≤ v < 18.1R2-S4, 18.1R318.2X75 ≤ v < 18.2X75-D2012.3 12.3X48 12.3x48 d10 14.1X5314.1x5315.1 15.1 f 15.1 f1 15.1 f2 15.1 f2-s1 15.1 f2-s2 15.1 f2-s3 15.1 f2-s4 15.1 f3 15.1 f4 15.1 f5 15.1 f5-s7 15.1 f6 15.1 f6-s1 15.1 f6-s12 15.1 f6-s2 15.1 f6-s3 15.1 f6-s4 15.1 f6-s7 15.1 f7 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-s5 15.1 r5-s6 15.1 r6 15.1 r6-s1 15.1 r6-s2 15.1 r6-s6 15.1 r7 15.1 r7-s1 15.1 r7-s2 15.1 r7-s3 15.1 r7-s4 15.1F 15.1X49 15.1X5315.1x4915.1x49 d10 15.1x49 d100 15.1x49 d110 15.1x49 d120 15.1x49 d130 15.1x49 d140 15.1x49 d15 15.1x49 d150 15.1x49 d160 15.1x49 d170 15.1x49 d20 15.1x49 d25 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 d234 15.1x53 d235 15.1x53 d236 15.1x53 d237 15.1x53 d25 15.1x53 d30 15.1x53 d31 15.1x53 d32 15.1x53 d33 15.1x53 d34 15.1x53 d40 15.1x53 d45 15.1x53 d47 15.1x53 d470 15.1x53 d48 15.1x53 d495 15.1x53 d50 15.1x53 d51 15.1x53 d52 15.1x53 d55 15.1x53 d56 15.1x53 d57 15.1x53 d5815.1x53 d5915.1x53 d590 15.1x53 d591 15.1x53 d60 15.1x53 d61 15.1x53 d62 15.1x53 d63 15.1x53 d64 15.1x53 d65 15.1x53 d6615.1x53 d6715.1x53 d68 15.1x53 d69 15.1x53 d7015.1x53-d5015.1x53-d5115.1x53-d5215.1x53-d5515.1x53-d5715.1x53-d5815.1x53-d5916.1 16.1 r1 16.1 r2 16.1 r3 16.1 r3-s10 16.1 r3-s11 16.1 r4 16.1 r4-s12 16.1 r4-s2 16.1 r4-s3 16.1 r4-s4 16.1 r4-s6 16.1 r5 16.1 r5-s4 16.1 r6-s1 16.1 r6-s6 16.1 r7 16.1 r7-s2 16.1 r7-s3 16.1 r7-s4 16.1 r7-s5 17.1 17.1 r1 17.1 r2 17.1 r2-s1 17.1 r2-s10 17.1 r2-s11 17.1 r2-s2 17.1 r2-s3 17.1 r2-s4 17.1 r2-s5 17.1 r2-s6 17.1 r2-s7 17.1 r2-s8 17.1 r2-s9 17.1 r3 17.2 17.2 r1 17.2 r1-s1 17.2 r1-s2 17.2 r1-s3 17.2 r1-s4 17.2 r1-s5 17.2 r1-s7 17.2 r1-s8 17.2 r2 17.2 r2-s10 17.2 r2-s11 17.2 r2-s6 17.2 r2-s7 17.2 r2-s9 17.2X7517.2x7517.2x75 d50 17.2x75 d70 17.2x75 d92 17.3 17.3 r1-s1 17.3 r2 17.3 r2-s1 17.3 r2-s2 17.3 r2-s3 17.3 r2-s4 17.3 r3 17.3 r3-s1 17.3 r3-s2 17.3 r3-s3 17.3 r3-s4 17.4 17.4 r1 17.4 r1-s1 17.4 r1-s2 17.4 r1-s4 17.4 r1-s5 17.4 r1-s6 17.4 r1-s7 18.1 18.1 r2 18.1 r2-s1 18.1 r2-s2 18.2X7518.2x7518.2x75-d10

Affected range stops below 15.1F6-S13, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.1R7-S5, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.1X49-D180, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.1X53-D238, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.1X53-D497, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.1X53-D592, so it looks safe — our inference, not a vendor statement

Affected range stops below 16.1R7-S7, so it looks safe — our inference, not a vendor statement

Affected range stops below 17.1R2-S12, 17.1R3, so it looks safe — our inference, not a vendor statement

Affected range stops below 17.2R2-S7, 17.2R3, so it looks safe — our inference, not a vendor statement

Affected range stops below 17.2X75-D102, 17.2X75-D110, 17.2X75-D44, so it looks safe — our inference, not a vendor statement

Affected range stops below 17.3R2-S5, 17.3R3-S5, so it looks safe — our inference, not a vendor statement

Affected range stops below 17.4R1-S8, 17.4R2, so it looks safe — our inference, not a vendor statement

Affected range stops below 18.1R2-S4, 18.1R3, so it looks safe — our inference, not a vendor statement

Affected range stops below 18.2X75-D20, so it looks safe — our inference, not a vendor statement

juniper-ex2300 (environment) · juniper-ex2300-c (environment) · juniper-ex3400 (environment) · juniper-ex4300 (environment) · juniper-ex4600 (environment) · juniper-ex4650 (environment) · juniper-ex9200 (environment) · juniper-ex9250 (environment) · juniper-nfx150 (environment) · juniper-nfx250 (environment) · juniper-qfx10002 (environment) · juniper-qfx10008 (environment) · juniper-qfx10016 (environment) · juniper-qfx3000-g (environment) · juniper-qfx3000-m (environment) · juniper-qfx3008-i (environment) · juniper-qfx3100 (environment) · juniper-qfx3500 (environment) · juniper-qfx3600 (environment) · juniper-qfx3600-i (environment) · juniper-qfx5100 (environment) · juniper-qfx5110 (environment) · juniper-qfx5200 (environment) · juniper-qfx5210 (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

Ex2300-C · Juniperdevice

80%

All versions

Ex3400 · Juniperdevice

80%

All versions

Ex4300 · Juniperdevice

80%

All versions