Juniper Junos vulnerabilities

CVE-2019-0039 [HIGH] CWE-307 CVE-2019-0039: If REST API is enabled, the Junos OS login credentials are vulnerable to brute force attacks. The hi If REST API is enabled, the Junos OS login credentials are vulnerable to brute force attacks. The high default connection limit of the REST API may allow an attacker to brute-force passwords using advanced scripting techniques. Additionally, administrators who do not enforce a strong password policy can increase the likelihood of success from brute forc

CVE-2019-0010 [HIGH] CWE-770 CVE-2019-0010: An SRX Series Service Gateway configured for Unified Threat Management (UTM) may experience a system An SRX Series Service Gateway configured for Unified Threat Management (UTM) may experience a system crash with the error message "mbuf exceed" -- an indication of memory buffer exhaustion -- due to the receipt of crafted HTTP traffic. Each crafted HTTP packet inspected by UTM consumes mbufs which can be identified through the following log messages: al

CVE-2018-0022 [HIGH] CWE-400 CVE-2018-0022: A Junos device with VPLS routing-instances configured on one or more interfaces may be susceptible t A Junos device with VPLS routing-instances configured on one or more interfaces may be susceptible to an mbuf leak when processing a specific MPLS packet. Approximately 1 mbuf is leaked per each packet processed. The number of mbufs is platform dependent. The following command provides the number of mbufs that are currently in use and maximum number of

CVE-2019-0052 [HIGH] CWE-404 CVE-2019-0052: The srxpfe process may crash on SRX Series services gateways when the UTM module processes a specifi The srxpfe process may crash on SRX Series services gateways when the UTM module processes a specific fragmented HTTP packet. The packet is misinterpreted as a regular TCP packet which causes the processor to crash. This issue affects all SRX Series platforms that support URL-Filtering and have web-filtering enabled. Affected releases are Juniper Networ

CVE-2018-0026 [HIGH] CVE-2018-0026: After Junos OS device reboot or upgrade, the stateless firewall filter configuration may not take ef After Junos OS device reboot or upgrade, the stateless firewall filter configuration may not take effect. This issue can be verified by running the command: user@re0> show interfaces extensive | match filters" CAM destination filters: 0, CAM source filters: 0 Note: when the issue occurs, it does not show the applied firewall filter. The correct output should sh

CVE-2019-0031 [HIGH] CWE-400 CVE-2019-0031: Specific IPv6 DHCP packets received by the jdhcpd daemon will cause a memory resource consumption is Specific IPv6 DHCP packets received by the jdhcpd daemon will cause a memory resource consumption issue to occur on a Junos OS device using the jdhcpd daemon configured to respond to IPv6 requests. Once started, memory consumption will eventually impact any IPv4 or IPv6 request serviced by the jdhcpd daemon, thus creating a Denial of Service (DoS) condi

CVE-2021-0278 [HIGH] CWE-20 CVE-2021-0278: An Improper Input Validation vulnerability in J-Web of Juniper Networks Junos OS allows a locally au An Improper Input Validation vulnerability in J-Web of Juniper Networks Junos OS allows a locally authenticated attacker to escalate their privileges to root over the target device. junos:18.3R3-S5 junos:18.4R3-S9 junos:19.1R3-S6 junos:19.3R2-S6 junos:19.3R3-S3 junos:19.4R1-S4 junos:19.4R3-S4 junos:20.1R2-S2 junos:20.1R3 junos:20.2R3-S1 junos:20.3X75-D20

CVE-2019-0012 [HIGH] CVE-2019-0012: A Denial of Service (DoS) vulnerability in BGP in Juniper Networks Junos OS configured as a VPLS PE A Denial of Service (DoS) vulnerability in BGP in Juniper Networks Junos OS configured as a VPLS PE allows an attacker to craft a specific BGP message to cause the routing protocol daemon (rpd) process to crash and restart. While rpd restarts after a crash, repeated crashes can result in an extended DoS condition. This issue only affects PE routers configured wi

CVE-2020-1617 [HIGH] CWE-665 CVE-2020-1617: This issue occurs on Juniper Networks Junos OS devices which do not support Advanced Forwarding Inte This issue occurs on Juniper Networks Junos OS devices which do not support Advanced Forwarding Interface (AFI) / Advanced Forwarding Toolkit (AFT). Devices using AFI and AFT are not exploitable to this issue. An improper initialization of memory in the packet forwarding architecture in Juniper Networks Junos OS non-AFI/AFT platforms which may lead to a

CVE-2021-31379 [HIGH] CWE-696 CVE-2021-31379: An Incorrect Behavior Order vulnerability in the MAP-E automatic tunneling mechanism of Juniper Netw 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 packets. Continued receipt and processing of these malfo

CVE-2016-4922 [HIGH] CWE-77 CVE-2016-4922: Certain combinations of Junos OS CLI commands and arguments have been found to be exploitable in a w Certain combinations of Junos OS CLI commands and arguments have been found to be exploitable in a way that can allow unauthorized access to the operating system. This may allow any user with permissions to run these CLI commands the ability to achieve elevated privileges and gain complete control of the device. Affected releases are Juniper Networks Jun

CVE-2021-31353 [HIGH] CWE-755 CVE-2021-31353: An Improper Handling of Exceptional Conditions vulnerability in Juniper Networks Junos OS and Junos 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 the BGP update will create a sustained Denial of Serv

CVE-2021-31368 [HIGH] CWE-400 CVE-2021-31368: An Uncontrolled Resource Consumption vulnerability in the kernel of Juniper Networks JUNOS OS allows An Uncontrolled Resource Consumption vulnerability in the kernel of Juniper Networks JUNOS OS allows an unauthenticated network based attacker to cause 100% CPU load and the device to become unresponsive by sending a flood of traffic to the out-of-band management ethernet port. Continued receipted of a flood will create a sustained Denial of Service (

CVE-2021-31383 [HIGH] CWE-121 CVE-2021-31383: In Point to MultiPoint (P2MP) scenarios within established sessions between network or adjacent neig In Point to MultiPoint (P2MP) scenarios within established sessions between network or adjacent neighbors the improper use of a source to destination copy write operation combined with a Stack-based Buffer Overflow on certain specific packets processed by the routing protocol daemon (RPD) of Juniper Networks Junos OS and Junos OS Evolved sent by a rem

CVE-2021-31359 [HIGH] CWE-121 CVE-2021-31359: A local privilege escalation vulnerability in Juniper Networks Junos OS and Junos OS Evolved allows 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 input will repeatedly crash the system and sustain t

CVE-2021-0284 [HIGH] CWE-120 CVE-2021-0284: A buffer overflow vulnerability in the TCP/IP stack of Juniper Networks Junos OS allows an attacker A buffer overflow vulnerability in the TCP/IP stack of Juniper Networks Junos OS allows an attacker to send specific sequences of packets to the device thereby causing a Denial of Service (DoS). By repeatedly sending these sequences of packets to the device, an attacker can sustain the Denial of Service (DoS) condition. The device will abnormally shut do

CVE-2022-22185 [HIGH] CWE-754 CVE-2022-22185: A vulnerability in Juniper Networks Junos OS on SRX Series, allows a network-based unauthenticated a A vulnerability in Juniper Networks Junos OS on SRX Series, allows a network-based unauthenticated attacker to cause a Denial of Service (DoS) by sending a specific fragmented packet to the device, resulting in a flowd process crash, which is responsible for packet forwarding. Continued receipt and processing of this specific packet will create a sust

CVE-2022-22161 [HIGH] CWE-400 CVE-2022-22161: An Uncontrolled Resource Consumption vulnerability in the kernel of Juniper Networks Junos OS allows An Uncontrolled Resource Consumption vulnerability in the kernel of Juniper Networks Junos OS allows an unauthenticated network based attacker to cause 100% CPU load and the device to become unresponsive by sending a flood of traffic to the out-of-band management ethernet port. Continued receipted of a flood will create a sustained Denial of Service (

CVE-2022-22221 [HIGH] CVE-2022-22221: An Improper Neutralization of Special Elements vulnerability in the download manager of Juniper Netw An Improper Neutralization of Special Elements vulnerability in the download manager of Juniper Networks Junos OS on SRX Series and EX Series allows a locally authenticated attacker with low privileges to take full control over the device. One aspect of this vulnerability is that the attacker needs to be able to execute any of the "request ..." or "show syste

CVE-2022-22177 [HIGH] CWE-755 CVE-2022-22177: A release of illegal memory vulnerability in the snmpd daemon of Juniper Networks Junos OS, Junos OS A release of illegal memory vulnerability in the snmpd daemon of Juniper Networks Junos OS, Junos OS Evolved allows an attacker to halt the snmpd daemon causing a sustained Denial of Service (DoS) to the service until it is manually restarted. This issue impacts any version of SNMP – v1,v2, v3 This issue affects: Juniper Networks Junos OS 12.3 version