Privilege escalation

A local privilege escalation vulnerability in telnetd.real of Juniper Networks Junos OS may allow a locally authenticated shell user to escalate privileges and execute arbitrary commands as root. telnetd.real is shipped with setuid permissions enabled and is owned by the root user, allowing local...

Information disclosure

A sensitive information disclosure vulnerability in delta-export configuration utility dexp of Juniper Networks Junos OS may allow a locally authenticated shell user the ability to create and read database files generated by the dexp utility, including password hashes of local users. Since dexp i...

Input validation

An improper check for unusual or exceptional conditions in Juniper Networks Junos OS and Junos OS Evolved Routing Protocol Daemon RPD service allows an attacker to send a valid BGP FlowSpec message thereby causing an unexpected change in the route advertisements within the BGP FlowSpec domain...

Design/Logic Flaw

When the "Intrusion Detection Service" IDS feature is configured on Juniper Networks MX series with a dynamic firewall filter using IPv6 source or destination prefix, it may incorrectly match the prefix as /32, causing the filter to block unexpected traffic. This issue affects only IPv6 prefixes...

Design/Logic Flaw

In Juniper Networks Junos OS Evolved an attacker sending certain valid BGP update packets may cause Junos OS Evolved to access an uninitialized pointer causing RPD to core leading to a Denial of Service DoS. Continued receipt of these types of valid BGP update packets will cause an extended Denia...

CVE-2021-0223

CVE-2021-0223 concerns a local privilege escalation in Juniper Networks Junos OS via telnetd.real, a setuid/root-owned binary. A locally authenticated shell user can escalate to root, with telnetd.real running with root privileges. Affected Junos OS versions include all prior to 15.1R7-S9; 17.3 p...

CVE-2021-0223 Junos OS: telnetd.real Local Privilege Escalation vulnerabilities in SUID binaries

A local privilege escalation vulnerability in telnetd.real of Juniper Networks Junos OS may allow a locally authenticated shell user to escalate privileges and execute arbitrary commands as root. telnetd.real is shipped with setuid permissions enabled and is owned by the root user, allowing local...

CVE-2021-0222

CVE-2021-0222 is a Denial of Service (DoS) vulnerability in Juniper Networks Junos OS. The issue arises when an adjacent device sends crafted IPv4/IPv6 protocol packets with invalid payloads; these packets are (incorrectly) replicated and sent toward the Routing Engine, leading to an extended DoS...

CVE-2021-0222 Junos OS: Upon receipt of certain protocol packets with invalid payloads a self-propagating Denial of Service may occur.

A vulnerability in Juniper Networks Junos OS allows an attacker to cause a Denial of Service DoS to the device by sending certain crafted protocol packets from an adjacent device with invalid payloads to the device. These crafted packets, which should be discarded, are instead replicated and sent...

CVE-2021-0220 Junos Space: Shared secrets stored in recoverable format and directly exposed through the UI

The Junos Space Network Management Platform has been found to store shared secrets in a recoverable format that can be exposed through the UI. An attacker who is able to execute arbitrary code in the victim browser for example via XSS or access cached contents may be able to obtain a copy of...

CVE-2021-0221

CVE-2021-0221 affects Juniper Networks Junos OS on QFX Series. A traffic loop can occur when an IRB with VGA is configured in EVPN/VXLAN, leading to DoS in packet processing due to abnormal interface traffic escalation. Public details specify affected Junos OS versions across multiple releases an...

CVE-2021-0220

CVE-2021-0220 (Juniper Junos Space) affects Junos Space versions prior to 20.3R1. The issue is that shared secrets are stored in a recoverable format and can be exposed through the UI. An attacker who can run arbitrary code in the victim’s browser (e.g., via XSS) or access cached contents may obt...

CVE-2021-0219 Junos OS: Command injection vulnerability in 'request system software' CLI command

A command injection vulnerability in install package validation subsystem of Juniper Networks Junos OS that may allow a locally authenticated attacker with privileges to execute commands with root privilege. To validate a package in Junos before installation, an administrator executes the command...

CVE-2021-0219

CVE-2021-0219 is a local command-injection vulnerability in Juniper Junos OS in the install package validation subsystem, exploitable when an administrator runs the CLI command 'request system software add validate-on-host' to validate packages. A locally authenticated attacker with CLI access ca...

CVE-2021-0218

CVE-2021-0218 affects Juniper Networks Junos OS license-check daemon. The vulnerability is a command injection that may allow a locally authenticated attacker with low privileges to run commands as root via the CLI command 'request system license update'. Affected Junos OS versions include 17.3 b...

CVE-2021-0217 Junos OS: EX Series and QFX Series: Memory leak issue processing specific DHCP packets

A vulnerability in processing of certain DHCP packets from adjacent clients on EX Series and QFX Series switches running Juniper Networks Junos OS with DHCP local/relay server configured may lead to exhaustion of DMA memory causing a Denial of Service DoS. Over time, exploitation of this...

CVE-2021-0217

This CVE (CVE-2021-0217) affects Juniper Networks Junos OS on EX Series and QFX Series switches with DHCP local/relay server enabled. A memory exhaustion issue in processing certain DHCP packets can exhaust DMA memory, causing a DoS and potential fxpc process crash or traffic forwarding disruptio...

CVE-2021-0215 Junos OS: EX Series, QFX Series, SRX Branch Series, MX Series: Memory leak in packet forwarding engine due to 802.1X authenticator port interface flaps

On Juniper Networks Junos EX series, QFX Series, MX Series and SRX branch series devices, a memory leak occurs every time the 802.1X authenticator port interface flaps which can lead to other processes, such as the pfex process, responsible for packet forwarding, to crash and restart. An...

CVE-2021-0212

CVE-2021-0212 concerns Juniper Networks Contrail Networking. A local, authenticated attacker can read files to obtain plaintext administrator credentials, enabling privilege escalation on affected systems. The vulnerability affects Contrail Networking versions prior to 1911.31. The available docu...

CVE-2021-0215

The CVE-2021-0215 issue is a memory leak in Juniper Junos OS on EX/QFX/MX/SRX devices triggered when the 802.1X authenticator port interface flaps. The pfex process (packet forwarding) can crash and restart as memory grows. Several Junos OS releases are affected across multiple lines and versions...