CVE-2021-0298: Concurrent Execution using Shared Resource with Improper Synchronization

A Race Condition in the 'show chassis pic' command in Juniper Networks Junos OS Evolved may allow an attacker to crash the port interface concentrator daemon picd process on the FPC, if the command is executed coincident with other system events outside the attacker's control, leading to a Denial...

CVE-2021-31386: Missing Encryption of Sensitive Data

A Protection Mechanism Failure vulnerability in the J-Web HTTP service of Juniper Networks Junos OS allows a remote unauthenticated attacker to perform Person-in-the-Middle PitM attacks against the device. This issue affects: Juniper Networks Junos OS 12.3 versions prior to 12.3R12-S20; 15.1...

CVE-2021-31385: Improper Limitation of a Pathname to a Restricted Directory

An Improper Limitation of a Pathname to a Restricted Directory 'Path Traversal' vulnerability in J-Web of Juniper Networks Junos OS allows any low-privileged authenticated attacker to elevate their privileges to root. This issue affects: Juniper Networks Junos OS 12.3 versions prior to 12.3R12-S1...

CVE-2021-31379: Incorrect Behavior Order

An Incorrect Behavior Order vulnerability in the MAP-E automatic tunneling mechanism of Juniper Networks Junos OS allows an attacker to send certain malformed IPv4 or IPv6 packets to cause a Denial of Service DoS to the PFE on the device which is disabled as a result of the processing of these...

CVE-2021-31378: Missing Release of Resource after Effective Lifetime

In broadband environments, including but not limited to Enhanced Subscriber Management, CHAP, PPP, DHCP, etc., on Juniper Networks Junos OS devices where RADIUS servers are configured for managing subscriber access and a subscriber is logged in and then requests to logout, the subscriber may be...

CVE-2021-31376: Improper Input Validation

An Improper Input Validation vulnerability in Packet Forwarding Engine manager FXPC process of Juniper Networks Junos OS allows an attacker to cause a Denial of Service DoS by sending specific DHCPv6 packets to the device and crashing the FXPC service. Continued receipt and processing of this...

CVE-2021-31354: Out-of-bounds Read

An Out Of Bounds OOB access vulnerability in the handling of responses by a Juniper Agile License JAL Client in Juniper Networks Junos OS and Junos OS Evolved, configured in Network Mode to use Juniper Agile License Manager may allow an attacker to cause a partial Denial of Service DoS, or lead t...

CVE-2021-31353: Improper Handling of Exceptional Conditions

An Improper Handling of Exceptional Conditions vulnerability in Juniper Networks Junos OS and Junos OS Evolved allows an attacker to inject a specific BGP update, causing the routing protocol daemon RPD to crash and restart, leading to a Denial of Service DoS. Continued receipt and processing of...

CVE-2021-31359: Improper Privilege Management

A local privilege escalation vulnerability in Juniper Networks Junos OS and Junos OS Evolved allows a local, low-privileged user to cause the Juniper DHCP daemon jdhcpd process to crash, resulting in a Denial of Service DoS, or execute arbitrary commands as root. Continued processing of malicious...

Juniper Networks Junos OS Access Control Error Vulnerability

Juniper Networks Junos OS is a network operating system from Juniper Networks, Inc. for the company's hardware devices. The operating system provides a secure programming interface and the Junos SDK. Juniper Networks Junos OS is vulnerable to an access control error, which results from a specific...

Vulnerabilities fixed in Juniper Junos OS

Vulnerabilities have been fixed in Juniper Junos OS. The vulnerabilities allow a malicious party to carry out attacks execute attacks that result in the following categories of damage: Cross-Site Scripting XSS. Denial-of-Service DoS. Remote code execution User Rights Increased user rights Juniper...

CVE-2021-31385

An Improper Limitation of a Pathname to a Restricted Directory 'Path Traversal' vulnerability in J-Web of Juniper Networks Junos OS allows any low-privileged authenticated attacker to elevate their privileges to root. This issue affects: Juniper Networks Junos OS 12.3 versions prior to 12.3R12-S1...

CVE-2021-31350

An Improper Privilege Management vulnerability in the gRPC framework, used by the Juniper Extension Toolkit JET API on Juniper Networks Junos OS and Junos OS Evolved, allows a network-based, low-privileged authenticated attacker to perform operations as root, leading to complete compromise of the...

CVE-2021-31369

On MX Series platforms with MS-MPC/MS-MIC, an Allocation of Resources Without Limits or Throttling vulnerability in Juniper Networks Junos OS allows an unauthenticated network attacker to cause a partial Denial of Service DoS with a high rate of specific traffic. If a Class of Service CoS rule is...

CVE-2021-31366

An Unchecked Return Value vulnerability in the authd authentication daemon of Juniper Networks Junos OS on MX Series configured for subscriber management / BBE allows an adjacent attacker to cause a crash by sending a specific username. This impacts authentication, authorization, and accounting A...

CVE-2021-31364

An Improper Check for Unusual or Exceptional Conditions vulnerability combined with a Race Condition in the flow daemon flowd of Juniper Networks Junos OS on SRX300 Series, SRX500 Series, SRX1500, and SRX5000 Series with SPC2 allows an unauthenticated network based attacker sending specific traff...

CVE-2021-31374

On Juniper Networks Junos OS and Junos OS Evolved devices processing a specially crafted BGP UPDATE or KEEPALIVE message can lead to a routing process daemon RPD crash and restart, causing a Denial of Service DoS. Continued receipt and processing of this message will create a sustained Denial of...

CVE-2021-31373

A persistent Cross-Site Scripting XSS vulnerability in Juniper Networks Junos OS on SRX Series, J-Web interface may allow a remote authenticated user to inject persistent and malicious scripts. An attacker can exploit this vulnerability to steal sensitive data and credentials from a web...

CVE-2021-31358

A command injection vulnerability in sftp command processing on Juniper Networks Junos OS Evolved allows an attacker with authenticated CLI access to be able to bypass configured access protections to execute arbitrary shell commands within the context of the current user. The vulnerability allow...

CVE-2021-31382

On PTX1000 System, PTX10002-60C System, after upgrading to an affected release, a Race Condition vulnerability between the chassis daemon chassisd and firewall process dfwd of Juniper Networks Junos OS, may update the device's interfaces with incorrect firewall filters. This issue only occurs whe...