CVE-2020-1600

Junos OS: A specific SNMP command can trigger a high CPU usage Denial of Service in the RPD daemon.

MEDIUM

6.5

CVSS Score

Published: January 15, 2020 at 08:40 AM UTC

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

1 product affected across 1 vendorJunos

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Severity

MEDIUM6.5

Exploit prediction

EPSS 1%

Description

In a Point-to-Multipoint (P2MP) Label Switched Path (LSP) scenario, an uncontrolled resource consumption vulnerability in the Routing Protocol Daemon (RPD) in Juniper Networks Junos OS allows a specific SNMP request to trigger an infinite loop causing a high CPU usage Denial of Service (DoS) condition. This issue affects both SNMP over IPv4 and IPv6. This issue affects: Juniper Networks Junos OS: 12.3X48 versions prior to 12.3X48-D90; 15.1 versions prior to 15.1R7-S6; 15.1X49 versions prior to 15.1X49-D200; 15.1X53 versions prior to 15.1X53-D238, 15.1X53-D592; 16.1 versions prior to 16.1R7-S5; 16.2 versions prior to 16.2R2-S11; 17.1 versions prior to 17.1R3-S1; 17.2 versions prior to 17.2R3-S2; 17.3 versions prior to 17.3R3-S7; 17.4 versions prior to 17.4R2-S4, 17.4R3; 18.1 versions prior to 18.1R3-S5; 18.2 versions prior to 18.2R3; 18.2X75 versions prior to 18.2X75-D50; 18.3 versions prior to 18.3R2; 18.4 versions prior to 18.4R2; 19.1 versions prior to 19.1R2.

Affected

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

Junos · Juniper Networks

95%

12.3X48 ≤ v < 12.3X48-D9015.1 ≤ v < 15.1R7-S615.1X49 ≤ v < 15.1X49-D20015.1X53 ≤ v < 15.1X53-D238, 15.1X53-D59216.1 ≤ v < 16.1R7-S516.2 ≤ v < 16.2R2-S1117.1 ≤ v < 17.1R2-S11, 17.1R3-S117.2 ≤ v < 17.2R3-S217.3 ≤ v < 17.3R3-S717.4 ≤ v < 17.4R2-S4, 17.4R318.1 ≤ v < 18.1R3-S518.2 ≤ v < 18.2R318.2X75 ≤ v < 18.2X75-D5018.3 ≤ v < 18.3R218.4 ≤ v < 18.4R219.1 ≤ v < 19.1R219.2 ≤ v < 19.2R112.3X48 12.3x48 d10 12.3x48 d15 12.3x48 d20 12.3x48 d25 12.3x48 d30 12.3x48 d35 12.3x48 d40 12.3x48 d45 12.3x48 d50 12.3x48 d55 12.3x48 d60 12.3x48 d65 12.3x48 d70 12.3x48 d7512.3x48 d8012.3x48 d85 15.1 15.1 r7 15.1 r7-s1 15.1 r7-s2 15.1 r7-s3 15.1 r7-s4 15.1 r7-s5 15.1X49 15.1X53 15.1x49 d10 15.1x49 d150 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 15.1x53 d20 15.1x53 d21 15.1x53 d210 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 d470 15.1x53 d495 15.1x53 d56 15.1x53 d60 15.1x53 d61 15.1x53 d62 15.1x53 d63 15.1x53 d65 15.1x53 d70 16.1 16.1 r1 16.1 r2 16.1 r3 16.1 r3-s10 16.1 r4 16.1 r5 16.1 r5-s4 16.1 r6 16.1 r6-s1 16.1 r7 16.1 r7-s2 16.1 r7-s3 16.1 r7-s4 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-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-s9 17.1 r3 17.2 17.2 r1-s2 17.2 r1-s4 17.2 r1-s7 17.2 r1-s8 17.2 r2-s6 17.2 r2-s7 17.2 r3-s1 17.3 17.3 r1-s1 17.3 r2 17.3 r2-s1 17.3 r2-s2 17.3 r3-s1 17.3 r3-s2 17.3 r3-s3 17.3 r3-s4 17.3 r3-s5 17.3 r3-s6 17.4 17.4 r1 17.4 r1-s1 17.4 r1-s2 17.4 r1-s4 17.4 r1-s6 17.4 r1-s7 17.4 r2 17.4 r2-s1 17.4 r2-s3 18.1 18.1 r2 18.1 r2-s1 18.1 r2-s2 18.1 r2-s4 18.1 r3 18.1 r3-s2 18.1 r3-s3 18.1 r3-s4 18.2 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 18.2X7518.2x7518.2x75 d20 18.2x75 d40 18.3 18.3 r1 18.3 r1-s1 18.3 r1-s2 18.3 r1-s3 18.3 r2 18.4 18.4 r1 18.4 r1-s1 18.4 r1-s2 18.4 r1-s3 18.4 r1-s4 18.4 r1-s5 19.1 19.1 r1 19.2

Affected range stops below 12.3X48-D90, so it looks safe — our inference, not a vendor statement

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

Affected range stops below 15.1X49-D200, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.1X53-D238, 15.1X53-D592, so it looks safe — our inference, not a vendor statement

Affected range stops below 16.1R7-S5, 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 17.2R3-S2, so it looks safe — our inference, not a vendor statement

Affected range stops below 17.3R3-S7, so it looks safe — our inference, not a vendor statement

Affected range stops below 17.4R2-S4, 17.4R3, so it looks safe — our inference, not a vendor statement

Affected range stops below 18.1R3-S5, so it looks safe — our inference, not a vendor statement

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

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

Affected range stops below 18.3R2, so it looks safe — our inference, not a vendor statement

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

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

Affected range stops below 19.2R1, 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/JSA10979

References (2)

x_refsource_CONFIRMVendor Advisory

Source: [email protected]

https://kb.juniper.net/JSA10979

x_refsource_MISCPermissions Required

Source: [email protected]

https://prsearch.juniper.net/InfoCenter/index?page=prcontent&id=PR1402185

CVSS

6.5MEDIUMjuniper

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

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-400CWE-835

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