CVE-2021-31349

CVE-2021-31349 affects Juniper Networks 128 Technology Session Smart Router. An authentication bypass flaw arises from the use of an internal HTTP header, enabling a remote attacker to bypass authentication and potentially view internal files, change settings, manipulate services, and execute arb...

CVE-2021-31349 Session Smart Router: Authentication Bypass Vulnerability

The usage of an internal HTTP header created an authentication bypass vulnerability CWE-287, allowing an attacker to view internal files, change settings, manipulate services and execute arbitrary code. This issue affects all Juniper Networks 128 Technology Session Smart Router versions prior to...

CVE-2021-0299

This CVE (CVE-2021-0299) affects Juniper Networks Junos OS and is triggered by processing malformed IPv6 packets. A kernel crash occurs, restarting the device and causing a Denial of Service (DoS); sustained DoS can follow with continued malformed packets. Affected are IPv6-enabled devices runnin...

CVE-2021-0298

A race condition in the show chassis pic command can crash the port interface concentrator daemon (picd) on the FPC, causing DoS when the CLI is executed under certain system events. Affected: Juniper Networks Junos OS Evolved prior to 20.1R2-EVO on PTX10003/PTX10008. Junos OS (non-Evolved) is no...

CVE-2021-0298 Junos OS Evolved: PTX10003, PTX10008: picd core while executing the "show chassis pic" command under certain conditions

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-2021-0297 Junos OS Evolved: BGP and LDP sessions with TCP MD5 authentication established with peers not configured for authentication

A vulnerability in the processing of TCP MD5 authentication in Juniper Networks Junos OS Evolved may allow a BGP or LDP session configured with MD5 authentication to succeed, even if the peer does not have TCP MD5 authentication enabled. This could lead to untrusted or unauthorized sessions being...

CVE-2021-0297

The CVE-2021-0297 issue affects Juniper Networks Junos OS Evolved: TCP MD5 authentication processing may allow a BGP/LDP session with MD5 enabled to succeed against a peer that is not configured for MD5. Affected are Junos OS Evolved versions prior to 20.3R2-S1-EVO, 20.4 prior to 20.4R2-EVO, and ...

CVE-2021-0296

The CVE-2021-0296 entry concerns Juniper Networks CTPView server not enforcing HTTP Strict Transport Security (HSTS). Affected versions are Juniper CTPView 7.3 before 7.3R7 and 9.1 before 9.1R3. Root cause: lack of HSTS header enforcement, which can enable downgrade attacks, SSL-stripping MITM, a...

CVE-2021-0296 CTPView: HSTS not being enforced on CTPView server.

The Juniper Networks CTPView server is not enforcing HTTP Strict Transport Security HSTS. HSTS is an optional response header which allows servers to indicate that content from the requested domain will only be served over HTTPS. The lack of HSTS may leave the system vulnerable to downgrade...

CVE-2021-31361: Improper Check for Unusual or Exceptional Conditions

An Improper Check for Unusual or Exceptional Conditions vulnerability combined with Improper Handling of Exceptional Conditions in Juniper Networks Junos OS on QFX Series and PTX Series allows an unauthenticated network based attacker to cause increased FPC CPU utilization by sending specific IP...

CVE-2021-31350: Improper Privilege Management

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...

PT-2021-19253 · Juniper Networks · Juniper Networks Src Series

Name of the Vulnerable Software and Affected Versions: Juniper Networks SRC Series versions prior to 4.13.0-R6 Description: An Information Exposure issue in Juniper Networks SRC Series devices configured for NETCONF over SSH allows the negotiation of weak ciphers. This could enable a remote...

CVE-2021-31362: Protection Mechanism Failure

A Protection Mechanism Failure vulnerability in RPD routing protocol daemon of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent unauthenticated attacker to cause established IS-IS adjacencies to go down by sending a spoofed hello PDU leading to a Denial of Service DoS condition...

CVE-2021-31380: Exposure of Sensitive Information to an Unauthorized Actor

A configuration weakness in the JBoss Application Server AppSvr component of Juniper Networks SRC Series allows a remote attacker to send a specially crafted query to cause the web server to disclose sensitive information in the HTTP response which allows the attacker to obtain sensitive...

CVE-2021-31371: Exposure of Sensitive Information to an Unauthorized Actor

Juniper Networks Junos OS uses the 128.0.0.0/2 subnet for internal communications between the RE and PFEs. It was discovered that packets utilizing these IP addresses may egress an QFX5000 Series switch, leaking configuration information such as heartbeats, kernel versions, etc. out to the...

CVE-2021-0299: Improper Handling of Exceptional Conditions

An Improper Handling of Exceptional Conditions vulnerability in the processing of a transit or directly received malformed IPv6 packet in Juniper Networks Junos OS results in a kernel crash, causing the device to restart, leading to a Denial of Service DoS. Continued receipt and processing of thi...

CVE-2021-31367: Missing Release of Memory after Effective Lifetime

A Missing Release of Memory after Effective Lifetime vulnerability in the Packet Forwarding Engine PFE of Juniper Networks Junos OS on PTX Series allows an adjacent attacker to cause a Denial of Service DoS by sending genuine BGP flowspec packets which cause an FPC heap memory leak. Once having r...

CVE-2021-31375: Improperly Implemented Security Check for Standard

An Improper Input Validation vulnerability in routing process daemon RPD of Juniper Networks Junos OS devices configured with BGP origin validation using Resource Public Key Infrastructure RPKI, allows an attacker to send a specific BGP update which may cause RPKI policy-checks to be bypassed...

CVE-2021-31352: Exposure of Sensitive Information to an Unauthorized Actor

An Information Exposure vulnerability in Juniper Networks SRC Series devices configured for NETCONF over SSH permits the negotiation of weak ciphers, which could allow a remote attacker to obtain sensitive information. A remote attacker with read and write access to network data could exploit thi...

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...