Support Support Downloads Knowledge Base Juniper Support Portal Community

Knowledge Base

Search our Knowledge Base sites to find answers to your questions.

Ask All Knowledge Base Sites All Knowledge Base Sites JunosE Defect (KA)Knowledge BaseSecurity AdvisoriesTechnical BulletinsTechnotes Sign in to display secure content and recently viewed articles

2020-07 Security Bulletin: Junos OS and Junos OS Evolved: RPD crash when processing a specific BGP packet (CVE-2020-1648)



Article ID: JSA11035 SECURITY_ADVISORIES Last Updated: 08 Jul 2020Version: 2.0
Product Affected:
This issue affects Junos OS 18.2X75, 19.4, 20.1. This issue affects Junos OS Evolved 19.4-EVO, 20.1-EVO.

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.

Juniper SIRT is not aware of any malicious exploitation of this vulnerability.

This issue was seen during production usage.

This issue has been assigned CVE-2020-1648.


The following software releases have been updated to resolve this specific issue:

Junos OS: 18.2X75-D52.8, 18.2X75-D53, 18.2X75-D60.2, 18.2X75-D65.1, 18.2X75-D70, 19.4R1-S2, 19.4R2, 20.1R1-S2, 20.1R2, 20.2R1, and all subsequent releases.

Junos OS Evolved: 19.4R2-S2-EVO, 20.1R2-EVO, 20.2R1-EVO and all subsequent releases.

This issue is being tracked as 1502327.


There are no viable workarounds for this issue.

Software releases or updates are available for download at
Modification History:
‚Äč2020-07-08: Initial publication
CVSS Score:
7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Severity Level:
Severity Assessment:
Information for how Juniper Networks uses CVSS can be found at KB 16446 "Common Vulnerability Scoring System (CVSS) and Juniper's Security Advisories."

Related Links

Comment on this article > Affected Products Browse the Knowledge Base for more articles related to these product categories. Select a category to begin.

Getting Up and Running with Junos

Getting Up and Running with Junos Security Alerts and Vulnerabilities Product Alerts and Software Release Notices Problem Report (PR) Search Tool EOL Notices and Bulletins JTAC User Guide Customer Care User Guide Pathfinder SRX High Availability Configurator SRX VPN Configurator Training Courses and Videos End User Licence Agreement Global Search