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CVE-2020-1618— Junos OS: EX and QFX Series: Console port authentication bypass vulnerability

Quick assessment

Affected
Juniper Networks Junos OS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Juniper Networks Junos OS是美国瞻博网络（Juniper Networks）公司的一套专用于该公司的硬件设备的网络操作系统。该操作系统提供了安全编程接口和Junos SDK。 Juniper Networks Junos OS中存在授权问题漏洞，该漏洞源于不正确的身份验证。攻击者可通过连接到控制台端口利用该漏洞绕过身份验证并获得root用户访问权限。以下产品及版本受到影响：Juniper Networks Junos OS 14.1X53版本，15.1版本，15.1X53版本，16

CVSS 6.3 · Medium EPSS 0.36% · P28
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I. Basic Information for CVE-2020-1618

Vulnerability Information
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Vulnerability Title
Junos OS: EX and QFX Series: Console port authentication bypass vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
On Juniper Networks EX and QFX Series, an authentication bypass vulnerability may allow a user connected to the console port to login as root without any password. This issue might only occur in certain scenarios: • At the first reboot after performing device factory reset using the command “request system zeroize”; or • A temporary moment during the first reboot after the software upgrade when the device configured in Virtual Chassis mode. This issue affects Juniper Networks Junos OS on EX and QFX Series: 14.1X53 versions prior to 14.1X53-D53; 15.1 versions prior to 15.1R7-S4; 15.1X53 versions prior to 15.1X53-D593; 16.1 versions prior to 16.1R7-S4; 17.1 versions prior to 17.1R2-S11, 17.1R3-S1; 17.2 versions prior to 17.2R3-S3; 17.3 versions prior to 17.3R2-S5, 17.3R3-S6; 17.4 versions prior to 17.4R2-S9, 17.4R3; 18.1 versions prior to 18.1R3-S8; 18.2 versions prior to 18.2R2; 18.3 versions prior to 18.3R1-S7, 18.3R2. This issue does not affect Juniper Networks Junos OS 12.3.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
使用候选路径或通道进行的认证绕过
Source: CVE Program / CVE List V5
Vulnerability Title
Juniper Networks Junos OS 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Juniper Networks Junos OS是美国瞻博网络（Juniper Networks）公司的一套专用于该公司的硬件设备的网络操作系统。该操作系统提供了安全编程接口和Junos SDK。 Juniper Networks Junos OS中存在授权问题漏洞，该漏洞源于不正确的身份验证。攻击者可通过连接到控制台端口利用该漏洞绕过身份验证并获得root用户访问权限。以下产品及版本受到影响：Juniper Networks Junos OS 14.1X53版本，15.1版本，15.1X53版本，16
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Juniper Networks Junos OS 12.3 -

II. Public POCs for CVE-2020-1618

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III. Intelligence Information for CVE-2020-1618

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Vendor Advisories for CVE-2020-1618 (1)

Same Patch Batch · Juniper Networks · 2020-04-08 · 22 CVEs total

CVE-2020-1614 10.0 CRITICAL NFX250 Series: Hardcoded credentials in the vSRX VNF instance.
CVE-2020-1615 9.8 CRITICAL Junos OS: vMX: Default credentials supplied in vMX configuration
CVE-2020-1613 8.6 HIGH Junos OS: BGP session termination upon receipt of specific BGP FlowSpec advertisement.
CVE-2020-1626 7.5 HIGH Junos OS Evolved: Denial of Service vulnerability in processing high rate of specific pack
CVE-2020-1617 7.5 HIGH Junos OS: PTX1000 and PTX10000 Series, QFX10000 Series using non-AFT architectures: A spec
CVE-2020-1638 7.5 HIGH Junos OS & Junos OS Evolved: A specific IPv4 packet can lead to FPC restart.
CVE-2020-1627 7.5 HIGH Junos OS: vMX and MX150: Denial of Service vulnerability in packet processing
CVE-2020-1634 7.5 HIGH Junos OS: High-End SRX Series: Multicast traffic might cause all FPCs to reset.
CVE-2020-1639 7.5 HIGH Junos OS: A crafted Ethernet OAM packet received by Junos may cause the Ethernet OAM conne
CVE-2020-1637 7.2 HIGH Junos OS: SRX Series: Unified Access Control (UAC) bypass vulnerability
CVE-2020-1625 6.5 MEDIUM Junos OS: Kernel memory leak in virtual-memory due to interface flaps
CVE-2020-1619 6.0 MEDIUM Junos OS: QFX10K Series, EX9200 Series, MX Series, PTX Series: Privilege escalation vulner
CVE-2020-1629 5.9 MEDIUM Junos OS: A race condition vulnerability may cause RPD daemon to crash when processing a B
CVE-2020-1624 5.5 MEDIUM Junos OS Evolved: objmon logs may leak sensitive information
CVE-2020-1622 5.5 MEDIUM Junos OS Evolved: EvoSharedObjStore may leak sensitive information
CVE-2020-1623 5.5 MEDIUM Junos OS Evolved: ev.ops file may leak sensitive information
CVE-2020-1620 5.5 MEDIUM Junos OS Evolved: Configd leaks hashes via log file and is world readable
CVE-2020-1621 5.5 MEDIUM Junos OS Evolved: Configd leaks hashes via stream and is world readable
CVE-2020-1628 5.3 MEDIUM Junos OS: EX4300: Traffic from the network internal to the device (128.0.0.0) may be forwa
CVE-2020-1616 5.3 MEDIUM JATP Series: JATP Is susceptible to slow brute force attacks on the SSH service.

Showing top 20 of 22 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Junos OS
Same vendor: Juniper Networks
Same weakness: CWE-288

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