Vulnerability Database

346,508

Total vulnerabilities in the database

CVE-2020-1613 — juniper / junos

Improper Adherence to Coding Standards

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.

  • Published: Apr 8, 2020
  • Updated: Nov 9, 2025
  • CVE: CVE-2020-1613
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 8.6
  • AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

CVSS v2:

  • Severity: Medium
  • Score: 5
  • AV:N/AC:L/Au:N/C:N/I:N/A:P

CWEs:

Software From Fixed in
juniper / junos 17.1-r3 17.1-r3.x
juniper / junos 15.1-r7 15.1-r7.x
juniper / junos 15.1-f1 15.1-f1.x
juniper / junos 15.1-f6-s4 15.1-f6-s4.x
juniper / junos 15.1-f2-s3 15.1-f2-s3.x
juniper / junos 15.1-f7 15.1-f7.x
juniper / junos 16.1-r1 16.1-r1.x
juniper / junos 15.1-r3 15.1-r3.x
juniper / junos 15.1-f2-s2 15.1-f2-s2.x
juniper / junos 15.1-r6 15.1-r6.x
juniper / junos 15.1-f4 15.1-f4.x
juniper / junos 15.1-r4 15.1-r4.x
juniper / junos 15.1-f2-s4 15.1-f2-s4.x
juniper / junos 15.1-f5-s7 15.1-f5-s7.x
juniper / junos 15.1-f6-s7 15.1-f6-s7.x
juniper / junos 15.1-f6 15.1-f6.x
juniper / junos 15.1-f2 15.1-f2.x
juniper / junos 17.2-r1 17.2-r1.x
juniper / junos 16.1-r4-s4 16.1-r4-s4.x
juniper / junos 15.1-f3 15.1-f3.x
juniper / junos 15.1-r2 15.1-r2.x
juniper / junos 16.1-r4 16.1-r4.x
juniper / junos 17.1-r1 17.1-r1.x
juniper / junos 15.1-r4-s7 15.1-r4-s7.x
juniper / junos 15.1-r4-s8 15.1-r4-s8.x
juniper / junos 16.1-r4-s3 16.1-r4-s3.x
juniper / junos 15.1-r5-s5 15.1-r5-s5.x
juniper / junos 17.1-r2 17.1-r2.x
juniper / junos 15.1-r6-s1 15.1-r6-s1.x
juniper / junos 15.1-r5 15.1-r5.x
juniper / junos 15.1-r1 15.1-r1.x
juniper / junos 15.1-f2-s1 15.1-f2-s1.x
juniper / junos 15.1-r5-s1 15.1-r5-s1.x
juniper / junos 17.2-r2 17.2-r2.x
juniper / junos 15.1-f5 15.1-f5.x
juniper / junos 16.1-r3 16.1-r3.x
juniper / junos 16.1-r5 16.1-r5.x
juniper / junos 16.1-r2 16.1-r2.x
juniper / junos 15.1-r5-s6 15.1-r5-s6.x
juniper / junos 15.1-r6-s2 15.1-r6-s2.x
juniper / junos 17.2-r1-s2 17.2-r1-s2.x
juniper / junos 17.2x75-d50 17.2x75-d50.x
juniper / junos 15.1-r4-s9 15.1-r4-s9.x
juniper / junos 15.1-r6-s6 15.1-r6-s6.x
juniper / junos 16.1-r5-s4 16.1-r5-s4.x
juniper / junos 16.1-r6-s1 16.1-r6-s1.x
juniper / junos 16.1-r7 16.1-r7.x
juniper / junos 17.1-r2-s7 17.1-r2-s7.x
juniper / junos 17.3-r2 17.3-r2.x
juniper / junos 17.4-r1 17.4-r1.x
juniper / junos 15.1-f 15.1-f.x
juniper / junos 17.3-r2-s2 17.3-r2-s2.x
juniper / junos 15.1-f6-s3 15.1-f6-s3.x
juniper / junos 15.1-r7-s1 15.1-r7-s1.x
juniper / junos 17.2-r2-s6 17.2-r2-s6.x
juniper / junos 16.1-r6-s6 16.1-r6-s6.x
juniper / junos 18.1-r2 18.1-r2.x
juniper / junos 16.1-r3-s10 16.1-r3-s10.x
juniper / junos 17.2-r1-s7 17.2-r1-s7.x
juniper / junos 15.1-r7-s2 15.1-r7-s2.x
juniper / junos 15.1-r7-s3 15.1-r7-s3.x
juniper / junos 17.2x75-d70 17.2x75-d70.x
juniper / junos 17.2-r1-s1 17.2-r1-s1.x
juniper / junos 17.2-r1-s3 17.2-r1-s3.x
juniper / junos 17.2-r1-s5 17.2-r1-s5.x
juniper / junos 17.4-r1-s1 17.4-r1-s1.x
juniper / junos 17.2-r1-s4 17.2-r1-s4.x
juniper / junos 17.3-r3-s1 17.3-r3-s1.x
juniper / junos 17.3-r3-s2 17.3-r3-s2.x
juniper / junos 17.4-r1-s2 17.4-r1-s2.x
juniper / junos 17.2x75-d92 17.2x75-d92.x
juniper / junos 17.3-r2-s1 17.3-r2-s1.x
juniper / junos 17.1-r2-s1 17.1-r2-s1.x
juniper / junos 17.1-r2-s2 17.1-r2-s2.x
juniper / junos 17.1-r2-s3 17.1-r2-s3.x
juniper / junos 17.1-r2-s4 17.1-r2-s4.x
juniper / junos 17.1-r2-s5 17.1-r2-s5.x
juniper / junos 17.1-r2-s6 17.1-r2-s6.x
juniper / junos 18.1-r2-s2 18.1-r2-s2.x
juniper / junos 15.1-f6-s2 15.1-f6-s2.x
juniper / junos 15.1-f6-s1 15.1-f6-s1.x
juniper / junos 17.4 17.4.x
juniper / junos 18.1 18.1.x
juniper / junos 18.1-r2-s1 18.1-r2-s1.x
juniper / junos 15.1 15.1.x
juniper / junos 16.1 16.1.x
juniper / junos 17.1 17.1.x
juniper / junos 17.2 17.2.x
juniper / junos 17.3 17.3.x
juniper / junos 17.2x75 17.2x75.x
juniper / junos 18.2x75 18.2x75.x
juniper / junos 17.1-r2-s9 17.1-r2-s9.x
juniper / junos 17.4-r1-s5 17.4-r1-s5.x
juniper / junos 18.2x75-d10 18.2x75-d10.x
juniper / junos 17.3-r3 17.3-r3.x
juniper / junos 17.3-r3-s3 17.3-r3-s3.x
juniper / junos 17.1-r2-s10 17.1-r2-s10.x
juniper / junos 17.4-r1-s7 17.4-r1-s7.x
juniper / junos 12.3 12.3.x
juniper / junos 16.1-r3-s11 16.1-r3-s11.x
juniper / junos 17.4-r1-s4 17.4-r1-s4.x
juniper / junos 17.3-r3-s4 17.3-r3-s4.x
juniper / junos 17.4-r1-s6 17.4-r1-s6.x
juniper / junos 17.2-r2-s7 17.2-r2-s7.x
juniper / junos 17.2-r1-s8 17.2-r1-s8.x
juniper / junos 17.1-r2-s8 17.1-r2-s8.x
juniper / junos 17.3-r2-s3 17.3-r2-s3.x
juniper / junos 16.1-r7-s3 16.1-r7-s3.x
juniper / junos 16.1-r7-s4 16.1-r7-s4.x
juniper / junos 15.1-r7-s4 15.1-r7-s4.x
juniper / junos 17.3-r1-s1 17.3-r1-s1.x
juniper / junos 16.1-r7-s2 16.1-r7-s2.x
juniper / junos 15.1-f6-s12 15.1-f6-s12.x
juniper / junos 16.1-r7-s5 16.1-r7-s5.x
juniper / junos 17.2-r2-s10 17.2-r2-s10.x
juniper / junos 17.2-r2-s9 17.2-r2-s9.x
juniper / junos 16.1-r4-s12 16.1-r4-s12.x
juniper / junos 16.1-r4-s6 16.1-r4-s6.x
juniper / junos 16.1-r4-s2 16.1-r4-s2.x
juniper / junos 17.3-r2-s4 17.3-r2-s4.x
juniper / junos 17.2-r2-s11 17.2-r2-s11.x
juniper / junos 17.1-r2-s11 17.1-r2-s11.x
juniper / junos 12.3x48-d10 12.3x48-d10.x
juniper / junos 15.1x49-d110 15.1x49-d110.x
juniper / junos 15.1x49-d60 15.1x49-d60.x
juniper / junos 15.1x49-d100 15.1x49-d100.x
juniper / junos 15.1x49-d35 15.1x49-d35.x
juniper / junos 15.1x49-d45 15.1x49-d45.x
juniper / junos 15.1x49-d75 15.1x49-d75.x
juniper / junos 15.1x49-d65 15.1x49-d65.x
juniper / junos 15.1x49-d90 15.1x49-d90.x
juniper / junos 15.1x49-d40 15.1x49-d40.x
juniper / junos 15.1x49-d20 15.1x49-d20.x
juniper / junos 15.1x49-d10 15.1x49-d10.x
juniper / junos 15.1x49-d55 15.1x49-d55.x
juniper / junos 15.1x49-d15 15.1x49-d15.x
juniper / junos 15.1x49-d25 15.1x49-d25.x
juniper / junos 15.1x49-d120 15.1x49-d120.x
juniper / junos 15.1x49-d130 15.1x49-d130.x
juniper / junos 15.1x49-d140 15.1x49-d140.x
juniper / junos 15.1x49-d160 15.1x49-d160.x
juniper / junos 15.1x49-d150 15.1x49-d150.x
juniper / junos 15.1x49 15.1x49.x
juniper / junos 15.1x49-d170 15.1x49-d170.x
juniper / junos 15.1x49-d50 15.1x49-d50.x
juniper / junos 15.1x49-d30 15.1x49-d30.x
juniper / junos 15.1x49-d70 15.1x49-d70.x
juniper / junos 15.1x49-d80 15.1x49-d80.x
juniper / junos 14.1x53 14.1x53.x
juniper / junos 15.1x53-d47 15.1x53-d47.x
juniper / junos 15.1x53-d10 15.1x53-d10.x
juniper / junos 15.1x53-d40 15.1x53-d40.x
juniper / junos 15.1x53-d62 15.1x53-d62.x
juniper / junos 15.1x53-d20 15.1x53-d20.x
juniper / junos 15.1x53-d30 15.1x53-d30.x
juniper / junos 15.1x53-d33 15.1x53-d33.x
juniper / junos 15.1x53-d25 15.1x53-d25.x
juniper / junos 15.1x53-d63 15.1x53-d63.x
juniper / junos 15.1x53-d32 15.1x53-d32.x
juniper / junos 15.1x53-d57 15.1x53-d57.x
juniper / junos 15.1x53-d34 15.1x53-d34.x
juniper / junos 15.1x53-d64 15.1x53-d64.x
juniper / junos 15.1x53-d210 15.1x53-d210.x
juniper / junos 15.1x53-d70 15.1x53-d70.x
juniper / junos 15.1x53-d21 15.1x53-d21.x
juniper / junos 15.1x53-d60 15.1x53-d60.x
juniper / junos 15.1x53-d48 15.1x53-d48.x
juniper / junos 15.1x53-d45 15.1x53-d45.x
juniper / junos 15.1x53-d61 15.1x53-d61.x
juniper / junos 15.1x53-d230 15.1x53-d230.x
juniper / junos 15.1x53-d50 15.1x53-d50.x
juniper / junos 15.1x53-d51 15.1x53-d51.x
juniper / junos 15.1x53-d52 15.1x53-d52.x
juniper / junos 15.1x53-d55 15.1x53-d55.x
juniper / junos 15.1x53-d65 15.1x53-d65.x
juniper / junos 15.1x53-d231 15.1x53-d231.x
juniper / junos 15.1x53-d58 15.1x53-d58.x
juniper / junos 15.1x53-d66 15.1x53-d66.x
juniper / junos 15.1x53-d232 15.1x53-d232.x
juniper / junos 15.1x53-d233 15.1x53-d233.x
juniper / junos 15.1x53-d56 15.1x53-d56.x
juniper / junos 15.1x53-d59 15.1x53-d59.x
juniper / junos 15.1x53-d67 15.1x53-d67.x
juniper / junos 15.1x53-d31 15.1x53-d31.x
juniper / junos 15.1x53-d234 15.1x53-d234.x
juniper / junos 15.1x53-d68 15.1x53-d68.x
juniper / junos 15.1x53-d237 15.1x53-d237.x
juniper / junos 15.1x53-d236 15.1x53-d236.x
juniper / junos 15.1x53-d235 15.1x53-d235.x
juniper / junos 15.1x53 15.1x53.x
juniper / junos 15.1x53-d69 15.1x53-d69.x
juniper / junos 15.1x53-d470 15.1x53-d470.x
juniper / junos 15.1x53-d495 15.1x53-d495.x
juniper / junos 15.1x53-d590 15.1x53-d590.x
juniper / junos 15.1x53-d591 15.1x53-d591.x

Frequently Asked Questions

A security vulnerability is a weakness in software, hardware, or configuration that can be exploited to compromise confidentiality, integrity, or availability. Many vulnerabilities are tracked as CVEs (Common Vulnerabilities and Exposures), which provide a standardized identifier so teams can coordinate patching, mitigation, and risk assessment across tools and vendors.

CVSS (Common Vulnerability Scoring System) estimates technical severity, but it doesn't automatically equal business risk. Prioritize using context like internet exposure, affected asset criticality, known exploitation (proof-of-concept or in-the-wild), and whether compensating controls exist. A "Medium" CVSS on an exposed, production system can be more urgent than a "Critical" on an isolated, non-production host.

A vulnerability is the underlying weakness. An exploit is the method or code used to take advantage of it. A zero-day is a vulnerability that is unknown to the vendor or has no publicly available fix when attackers begin using it. In practice, risk increases sharply when exploitation becomes reliable or widespread.

Recurring findings usually come from incomplete Asset Discovery, inconsistent patch management, inherited images, and configuration drift. In modern environments, you also need to watch the software supply chain: dependencies, containers, build pipelines, and third-party services can reintroduce the same weakness even after you patch a single host. Unknown or unmanaged assets (often called Shadow IT) are a common reason the same issues resurface.

Use a simple, repeatable triage model: focus first on externally exposed assets, high-value systems (identity, VPN, email, production), vulnerabilities with known exploits, and issues that enable remote code execution or privilege escalation. Then enforce patch SLAs and track progress using consistent metrics so remediation is steady, not reactive.

SynScan combines attack surface monitoring and continuous security auditing to keep your inventory current, flag high-impact vulnerabilities early, and help you turn raw findings into a practical remediation plan.