Vulnerability Name:

CVE-2020-1648 (CCN-184760)

Assigned:2019-11-04
Published:2020-07-08
Updated:2022-01-01
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.
CVSS v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
7.5 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-noinfo
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2020-1648

Source: XF
Type: UNKNOWN
juniper-cve20201648-dos(184760)

Source: CCN
Type: Juniper Networks Security Bulletin JSA11035
Junos OS and Junos OS Evolved: RPD crash when processing a specific BGP packet (CVE-2020-1648)

Source: CONFIRM
Type: Vendor Advisory
https://kb.juniper.net/JSA11035

Vulnerable Configuration:Configuration 1:
  • cpe:/o:juniper:junos:18.2x75:*:*:*:*:*:*:*
  • OR cpe:/o:juniper:junos:18.2x75:-:*:*:*:*:*:*
  • OR cpe:/o:juniper:junos:18.2x75:d20:*:*:*:*:*:*
  • OR cpe:/o:juniper:junos:18.2x75:d30:*:*:*:*:*:*
  • OR cpe:/o:juniper:junos:18.2x75:d40:*:*:*:*:*:*
  • OR cpe:/o:juniper:junos:19.4:r1:*:*:*:*:*:*
  • OR cpe:/o:juniper:junos:19.4:r1-s1:*:*:*:*:*:*
  • OR cpe:/o:juniper:junos:20.1:r1:*:*:*:*:*:*
  • OR cpe:/o:juniper:junos:20.1:r1-s1:*:*:*:*:*:*
  • OR cpe:/o:juniper:junos_os_evolved:19.4:r1:*:*:*:*:*:*
  • OR cpe:/o:juniper:junos_os_evolved:19.4:r2:*:*:*:*:*:*
  • OR cpe:/o:juniper:junos_os_evolved:19.4:r2-s1:*:*:*:*:*:*
  • OR cpe:/o:juniper:junos_os_evolved:20.1:r1:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/o:juniper:junos:18.2x75:*:*:*:*:*:*:*
  • OR cpe:/o:juniper:junos:19.4:r1:*:*:*:*:*:*
  • OR cpe:/o:juniper:junos:20.1:r1:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    juniper junos 18.2x75
    juniper junos 18.2x75 -
    juniper junos 18.2x75 d20
    juniper junos 18.2x75 d30
    juniper junos 18.2x75 d40
    juniper junos 19.4 r1
    juniper junos 19.4 r1-s1
    juniper junos 20.1 r1
    juniper junos 20.1 r1-s1
    juniper junos os evolved 19.4 r1
    juniper junos os evolved 19.4 r2
    juniper junos os evolved 19.4 r2-s1
    juniper junos os evolved 20.1 r1
    juniper junos 18.2x75
    juniper junos 19.4 r1
    juniper junos 20.1 r1