CVE-2020-1629

Junos OS: A race condition vulnerability may cause RPD daemon to crash when processing a BGP NOTIFICATION message.

MEDIUM

5.9

CVSS Score

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

Updated: June 17, 2026 at 03:02 AM UTC

1 product affected across 1 vendorJunos

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Severity

MEDIUM5.9

Exploit prediction

EPSS 0.7%

Description

A race condition vulnerability on Juniper Network Junos OS devices may cause the routing protocol daemon (RPD) process to crash and restart while processing a BGP NOTIFICATION message. This issue affects Juniper Networks Junos OS: 16.1 versions prior to 16.1R7-S6; 16.2 versions prior to 16.2R2-S11; 17.1 versions prior to 17.1R2-S11, 17.1R3-S1; 17.2 versions prior to 17.2R1-S9, 17.2R3-S3; 17.2 version 17.2R2 and later versions; 17.2X75 versions prior to 17.2X75-D105, 17.2X75-D110; 17.3 versions prior to 17.3R2-S5, 17.3R3-S6; 17.4 versions prior to 17.4R2-S7, 17.4R3; 18.1 versions prior to 18.1R3-S8; 18.2 versions prior to 18.2R3-S3; 18.2X75 versions prior to 18.2X75-D410, 18.2X75-D420, 18.2X75-D50, 18.2X75-D60; 18.3 versions prior to 18.3R1-S5, 18.3R2-S2, 18.3R3; 18.4 versions prior to 18.4R2-S2, 18.4R3; 19.1 versions prior to 19.1R1-S2, 19.1R2; 19.2 versions prior to 19.2R1-S4, 19.2R2. This issue does not affect Juniper Networks Junos OS prior to version 16.1R1.

Affected

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

Junos · Juniper Networks

95%

16.1 ≤ v < 16.1R7-S616.2 ≤ v < 16.2R2-S1117.1 ≤ v < 17.1R2-S11, 17.1R3-S117.2 ≤ v < 17.2R1-S9, 17.2R3-S317.2X75 ≤ v < 17.2X75-D105, 17.2X75-D11017.3 ≤ v < 17.3R2-S5, 17.3R3-S617.4 ≤ v < 17.4R2-S7, 17.4R318.1 ≤ v < 18.1R3-S818.2 ≤ v < 18.2R3-S318.2X75 ≤ v < 18.2X75-D410, 18.2X75-D420, 18.2X75-D50, 18.2X75-D6018.3 ≤ v < 18.3R1-S5, 18.3R2-S2, 18.3R318.4 ≤ v < 18.4R2-S2, 18.4R319.1 ≤ v < 19.1R1-S2, 19.1R219.2 ≤ v < 19.2R1-S4, 19.2R216.1 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 16.2 16.2 r1 16.2 r2 16.2 r2-s1 16.2 r2-s10 16.2 r2-s2 16.2 r2-s5 16.2 r2-s6 16.2 r2-s7 16.2 r2-s8 16.2 r2-s9 17.1 17.1 r1 17.1 r2 17.1 r2-s1 17.1 r2-s10 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-s6 17.2 r2-s7 17.2 r3 17.2 r3-s1 17.2 r3-s2 17.2X7517.2x7517.2x75 d102 17.2x75 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 17.3 r3-s5 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 17.4 r2 17.4 r2-s1 17.4 r2-s2 17.4 r2-s3 17.4 r2-s4 17.4 r2-s5 17.4 r2-s6 18.1 18.1 r2 18.1 r2-s1 18.1 r2-s2 18.1 r2-s4 18.1 r3 18.1 r3-s1 18.1 r3-s2 18.1 r3-s3 18.1 r3-s4 18.1 r3-s6 18.1 r3-s7 18.2 18.2 r1 18.2 r1-s3 18.2 r1-s5 18.2 r2-s1 18.2 r2-s2 18.2 r2-s3 18.2 r2-s4 18.2 r2-s5 18.2 r2-s6 18.2 r3 18.2 r3-s1 18.2 r3-s2 18.2X7518.2x7518.2x75 d20 18.2x75 d30 18.2x75 d40 18.3 18.3 r1 18.3 r1-s1 18.3 r1-s2 18.3 r1-s3 18.3 r1-s4 18.3 r2 18.3 r2-s1 18.4 18.4 r1 18.4 r1-s1 18.4 r1-s2 18.4 r1-s5 18.4 r2 18.4 r2-s1 19.1 19.1 r1 19.1 r1-s1 19.2 19.2 r1 19.2 r1-s1 19.2 r1-s2 19.2 r1-s3

Affected range stops below 16.1R7-S6, so it looks safe — our inference, not a vendor statement

Affected range stops below 16.2R2-S11, so it looks safe — our inference, not a vendor statement

Affected range stops below 17.1R2-S11, 17.1R3-S1, so it looks safe — our inference, not a vendor statement

Affected range stops below 17.2R1-S9, 17.2R3-S3, so it looks safe — our inference, not a vendor statement

Affected range stops below 17.2X75-D105, 17.2X75-D110, so it looks safe — our inference, not a vendor statement

Affected range stops below 17.3R2-S5, 17.3R3-S6, so it looks safe — our inference, not a vendor statement

Affected range stops below 17.4R2-S7, 17.4R3, so it looks safe — our inference, not a vendor statement

Affected range stops below 18.1R3-S8, so it looks safe — our inference, not a vendor statement

Affected range stops below 18.2R3-S3, so it looks safe — our inference, not a vendor statement

Affected range stops below 18.2X75-D410, 18.2X75-D420, 18.2X75-D50, 18.2X75-D60, so it looks safe — our inference, not a vendor statement

Affected range stops below 18.3R1-S5, 18.3R2-S2, 18.3R3, so it looks safe — our inference, not a vendor statement

Affected range stops below 18.4R2-S2, 18.4R3, so it looks safe — our inference, not a vendor statement

Affected range stops below 19.1R1-S2, 19.1R2, so it looks safe — our inference, not a vendor statement

Affected range stops below 19.2R1-S4, 19.2R2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://kb.juniper.net/JSA11009

References (1)

x_refsource_CONFIRMVendor Advisory

Source: [email protected]

https://kb.juniper.net/JSA11009

CVSS

5.9MEDIUMjuniper

Attack Vector: NETWORK
Complexity: HIGH
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: NONE
Integrity: NONE
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-366CWE-362

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