CVE-2020-1648

mediumpriority · track · 30EPSS 0.013 · 70 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.28% (70th) EPSS

CVSS 5 · medium

Is it mine?

21 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.17.5highAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · ENISA EU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · sirt@juniper.net USexploitability 3.9 · impact 3.6

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-159USCWE-20USCWE-690US

affected products (21)

Products and version ranges known to be affected.

Juniper Networks Junos OS18.2X75-D50.8 18.2X75-D60 → 18.2X75*enisa_euvdEU
Juniper Networks Junos OS20.1 → 20.1R1-S2, 20.1R2enisa_euvdEU
Juniper Networks Junos OS Evolved20.1-EVO → 20.1R2-EVOenisa_euvdEU
Juniper Networks Inc. JunOS≤ 19.4R1-S2fstec_bduRU
Juniper Networks Inc. JunOS≤ 20.1R2fstec_bduRU
Juniper Networks Inc. JunOS≤ 20.1R1-S2fstec_bduRU
Juniper Networks Inc. JunOS≤ 19.4R2fstec_bduRU
Juniper Networks Inc. JunOS≤ 18.2X75-D70fstec_bduRU
Juniper Networks Inc. JunOS≤ 18.2X75-D65.1fstec_bduRU
Juniper Networks Inc. JunOS≤ 18.2X75-D60.2fstec_bduRU
Juniper Networks Inc. JunOS≤ 18.2X75-D52.8fstec_bduRU
Juniper Networks Inc. JunOS≤ 18.2X75-D53fstec_bduRU
Juniper Networks Inc. JunOS≤ 20.2R1fstec_bduRU
Juniper Networks Inc. Junos OS Evolved≤ 20.2R1-EVOfstec_bduRU
Juniper Networks Inc. Junos OS Evolved≤ 19.4R2-S2-EVOfstec_bduRU
Juniper Networks Inc. Junos OS Evolved≤ 20.1R2-EVOfstec_bduRU
juniper junos= 18.2x75nvdUScpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:*
juniper junos= 19.4nvdUScpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:*
juniper junos= 20.1nvdUScpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:*
juniper junos os evolved= 19.4nvdUScpe:2.3:o:juniper:junos_os_evolved:*:*:*:*:*:*:*:*

showing 20 of 21

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2020-07-17modified 2026-06-17

references (6)

External citations — patches, advisories, analysis.

scry

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