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TI-2020-01599 Aliases CVE-2020-1648GHSA-52x8-4mc9-26r2

Junos OS and Junos OS Evolved: RPD crash when processing a specific BGP packet

Priority LOW 35CWE-159Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

On Juniper Networks Junos OS and Junos OS Evolved devices, processing a specific BGP packet can lead to a routing process daemon (RPD) crash and restart. This issue can occur even before the BGP session with the peer is established. Repeated receipt of this specific BGP packet can result in an extended Denial of Service (DoS) condition. This issue affects: Juniper Networks Junos OS: 18.2X75 versions starting from 18.2X75-D50.8, 18.2X75-D60 and later versions, prior to 18.2X75-D52.8, 18.2X75-D53, 18.2X75-D60.2, 18.2X75-D65.1, 18.2X75-D70; 19.4 versions 19.4R1 and 19.4R1-S1; 20.1 versions prior to 20.1R1-S2, 20.1R2. Juniper Networks Junos OS Evolved: 19.4-EVO versions prior to 19.4R2-S2-EVO; 20.1-EVO versions prior to 20.1R2-EVO. This issue does not affect: Juniper Networks Junos OS releases prior to 19.4R1. Juniper Networks Junos OS Evolved releases prior to 19.4R1-EVO.

Why it matters now

EPSS 0.01276 70th percentileScored 2026-11-07
Fix Fixed Junos OS (Juniper Networks): 19.4, 20.1R1-S2, 20.1R2Junos OS Evolved (Juniper Networks): 19.4-EVO, 20.1R2-EVO

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
JuniperJunos OS18.2X75-D50.8 18.2X75-D60 and later; 20.1 to before 20.1R1-S2, 20.1R219.4, 20.1R1-S2, 20.1R2Patch availableCNA
JuniperJunos OS Evolved20.1-EVO to before 20.1R2-EVO19.4-EVO, 20.1R2-EVOPatch availableCNA
  • Junos OS VendorJuniper Affected 18.2X75-D50.8 18.2X75-D60 and later; 20.1 to before 20.1R1-S2, 20.1R2 Fixed in 19.4, 20.1R1-S2, 20.1R2 Patch available CNA
  • Junos OS Evolved VendorJuniper Affected 20.1-EVO to before 20.1R2-EVO Fixed in 19.4-EVO, 20.1R2-EVO Patch available CNA

CPE configurations NVD · 13

CPEVersionsRoleVendor
cpe:2.3:o:juniper:junos:18.2x75:*:*:*:*:*:*:*18.2x75VulnerableJuniper
cpe:2.3:o:juniper:junos:18.2x75:-:*:*:*:*:*:*18.2x75VulnerableJuniper
cpe:2.3:o:juniper:junos:18.2x75:d20:*:*:*:*:*:*18.2x75 d20VulnerableJuniper
cpe:2.3:o:juniper:junos:18.2x75:d30:*:*:*:*:*:*18.2x75 d30VulnerableJuniper
cpe:2.3:o:juniper:junos:18.2x75:d40:*:*:*:*:*:*18.2x75 d40VulnerableJuniper
cpe:2.3:o:juniper:junos:19.4:r1:*:*:*:*:*:*19.4 r1VulnerableJuniper
cpe:2.3:o:juniper:junos:19.4:r1-s1:*:*:*:*:*:*19.4 r1-s1VulnerableJuniper
cpe:2.3:o:juniper:junos:20.1:r1:*:*:*:*:*:*20.1 r1VulnerableJuniper
cpe:2.3:o:juniper:junos:20.1:r1-s1:*:*:*:*:*:*20.1 r1-s1VulnerableJuniper
cpe:2.3:o:juniper:junos_os_evolved:19.4:r1:*:*:*:*:*:*19.4 r1VulnerableJuniper
  • cpe:2.3:o:juniper:junos:18.2x75:*:*:*:*:*:*:* Versions 18.2x75 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos:18.2x75:-:*:*:*:*:*:* Versions 18.2x75 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos:18.2x75:d20:*:*:*:*:*:* Versions 18.2x75 d20 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos:18.2x75:d30:*:*:*:*:*:* Versions 18.2x75 d30 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos:18.2x75:d40:*:*:*:*:*:* Versions 18.2x75 d40 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos:19.4:r1:*:*:*:*:*:* Versions 19.4 r1 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos:19.4:r1-s1:*:*:*:*:*:* Versions 19.4 r1-s1 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos:20.1:r1:*:*:*:*:*:* Versions 20.1 r1 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos:20.1:r1-s1:*:*:*:*:*:* Versions 20.1 r1-s1 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos_os_evolved:19.4:r1:*:*:*:*:*:* Versions 19.4 r1 Vulnerable ·Juniper
Show 3 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:juniper:junos_os_evolved:19.4:r2:*:*:*:*:*:*19.4 r2VulnerableJuniper
cpe:2.3:o:juniper:junos_os_evolved:19.4:r2-s1:*:*:*:*:*:*19.4 r2-s1VulnerableJuniper
cpe:2.3:o:juniper:junos_os_evolved:20.1:r1:*:*:*:*:*:*20.1 r1VulnerableJuniper
  • cpe:2.3:o:juniper:junos_os_evolved:19.4:r2:*:*:*:*:*:* Versions 19.4 r2 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos_os_evolved:19.4:r2-s1:*:*:*:*:*:* Versions 19.4 r2-s1 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos_os_evolved:20.1:r1:*:*:*:*:*:* Versions 20.1 r1 Vulnerable ·Juniper

Remediation

  • Fix · CNA Junos OS (Juniper Networks) Fixed in 19.4, 20.1R1-S2, 20.1R2
  • Fix · CNA Junos OS Evolved (Juniper Networks) Fixed in 19.4-EVO, 20.1R2-EVO

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-1648
  2. 2026-10-03 Alias added: GHSA-52x8-4mc9-26r2

References

Advisory 1

  • TI-2023-18638 Junos OS: EX and SRX Series: A PHP vulnerability in J-Web allows an unauthenticated to… KEVCVSS 3.1CRITICAL 9.8
  • TI-2020-01585 Out of Cycle Security Advisory: Junos OS: Security vulnerability in J-Web and web based (HTTP/HTTPS) services KEVCVSS 3.1CRITICAL 9.8
  • TI-2015-04610 Assertion failure in ISC BIND named via TKEY queries KEVCVSS 3.1HIGH 7.5
  • TI-2025-15550 Junos OS: An local attacker with shell access can execute arbitrary code KEVCVSS 4.0MEDIUM 6.7
  • TI-2023-18644 Junos OS: SRX Series: A vulnerability in J-Web allows an unauthenticated attacker to upload and download arbitrary files KEVCVSS 3.1MEDIUM 5.3
  • TI-2023-18640 Junos OS: EX Series: A vulnerability in J-Web allows an unauthenticated attacker to upload arbitrary files KEVCVSS 3.1MEDIUM 5.3
See all 792 →

Sources

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