CVE-2021-31368

CVE-2021-31368 (Juniper JUNOS OS) affects EX2300, EX3400, and ACX710 devices. An unauthenticated network attacker can cause 100% CPU load and a DoS by flooding the out-of-band management port, leading to the device becoming unresponsive; system recovery occurs after the flood stops. The vulnerabi...

CVE-2021-31367 Junos OS: PTX Series: An FPC heap memory leak will be triggered by certain Flowspec route operations which can lead to an FPC crash

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-2021-31366

CVE-2021-31366 is an Unchecked Return Value vulnerability in the authd (authentication daemon) of Juniper Networks Junos OS on MX Series configured for subscriber management/BBE. A adjacent attacker can trigger a crash by sending a specific username, causing a DoS affecting AAA services on affect...

CVE-2021-31366 Junos OS: MX Series: In subscriber management / BBE configuration authd can crash if a subscriber with a specific username tries to login leading to a DoS

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-2021-31365

CVE-2021-31365 describes an Uncontrolled Resource Consumption vulnerability in Juniper Networks Junos OS on the EX2300, EX3400 and EX4300 Series. An adjacent attacker sending a stream of specific Layer 2 frames can cause an Aggregated Ethernet (AE) interface to go down, resulting in a Denial of S...

CVE-2021-31364

CVE-2021-31364 affects Juniper Networks Junos OS flowd on SRX300/ SRX500/ SRX1500/ SRX5000 Series with SPC2. Root cause is an improper check for unusual conditions combined with a race condition in flowd, triggered by specific traffic that creates the same session and logs session-close as a poli...

CVE-2021-31364 Junos OS: SRX Series: The flowd process will crash if log session-close is configured and specific traffic is received

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-2021-31363

CVE-2021-31363 affects Juniper Networks Junos OS and Junos OS Evolved. In MPLS P2MP, a Loop with Unreachable Exit Condition in the Routing Protocol Daemon (RPD) allows an unauthenticated adjacent attacker to cause high RPD load and routing protocol flaps. If a system with sensor-based-stats enabl...

CVE-2021-31362

The CVE-2021-31362 issue is a Protection Mechanism Failure in Juniper Networks Junos OS and Junos OS Evolved RPD (routing protocol daemon). An adjacent unauthenticated attacker can disable established IS-IS adjacencies by sending a spoofed hello PDU, causing an immediate DoS with sustained impact...

CVE-2021-31361 Junos OS: QFX Series and PTX Series: FPC resource usage increases when certain packets are processed which are being VXLAN encapsulated

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-2021-31361

CVE-2021-31361 affects Juniper Networks Junos OS on QFX Series and PTX Series. The issue stems from an improper check and handling of exceptional conditions, allowing an unauthenticated network attacker to increase FPC CPU utilization by sending certain IP packets encapsulated in VXLAN, causing a...

CVE-2021-31360

Summary: CVE-2021-31360 is a local privilege escalation in Juniper Networks Junos OS and Junos OS Evolved CLI. A low-privileged user can overwrite local files as root, potentially causing system integrity issues or a sustained DoS requiring manual recovery. The issue only affects systems where th...

CVE-2021-31360 Junos OS and Junos OS Evolved: Denial of Service vulnerability in local file processing

An improper privilege management vulnerability in the Juniper Networks Junos OS and Junos OS Evolved command-line interpreter CLI allows a low-privileged user to overwrite local files as root, possibly leading to a system integrity issue or Denial of Service DoS. Depending on the files overwritte...

CVE-2021-31359

CVE-2021-31359 affects Juniper Networks Junos OS and Junos OS Evolved. The vulnerability is a local privilege escalation in the DHCP daemon (jdhcpd) that allows a low-privilege user to crash jdhcpd, causing DoS, or to execute arbitrary commands as root. The issue occurs when jdhcpd is running; af...

CVE-2021-31359 Junos OS and Junos OS Evolved: Local Privilege Escalation vulnerability

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...

CVE-2021-31358 Junos OS Evolved: shell-injection vulnerabilities in evo_sftp UI wrapper script

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-2021-31358

CVE-2021-31358 – Junos OS Evolved sftp command processing command injection. Affected: Juniper Networks Junos OS Evolved prior to 20.4R2-S2-EVO; 21.1 prior to 21.1R2-EVO; 21.2 prior to 21.2R1-S1-EVO, 21.2R2-EVO. Impact: authenticated CLI user can bypass CLI command restrictions and execute arbitr...

CVE-2021-31357

CVE-2021-31357 describes a command-injection vulnerability in Juniper Networks Junos OS Evolved specifically in the tcpdump command processing. The issue allows an attacker with authenticated CLI access to bypass CLI command restrictions and execute arbitrary shell commands within the current use...

CVE-2021-31357 Junos OS Evolved: shell-injection vulnerabilities in evo_tcpdump UI wrapper script

A command injection vulnerability in tcpdump 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...

CVE-2021-31356

The CVE-2021-31356 issue affects Juniper Networks Junos OS Evolved, spanning all versions prior to 20.4R3-S1-EVO and all 21.1-EVO and 21.2-EVO. It is a command injection vulnerability in the OS’s command processing that lets an attacker with authenticated CLI access bypass CLI command restriction...