Vulnerabilities > Juniper > Junos > 20.3

DATE CVE VULNERABILITY TITLE RISK
2021-10-19 CVE-2021-31382 Race Condition vulnerability in Juniper Junos
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.
network
high complexity
juniper CWE-362
critical
9.0
2021-10-19 CVE-2021-31386 Unspecified vulnerability in Juniper Junos
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.
network
high complexity
juniper
5.9
2021-07-15 CVE-2021-0278 Improper Input Validation vulnerability in Juniper Junos
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.
local
low complexity
juniper CWE-20
7.8
2021-07-15 CVE-2021-0281 Improper Check for Unusual or Exceptional Conditions vulnerability in Juniper Junos
On Juniper Networks Junos OS devices configured with BGP origin validation using Resource Public Key Infrastructure (RPKI) receipt of a specific packet from the RPKI cache server may cause routing process daemon (RPD) to crash and restart, creating a Denial of Service (DoS) condition.
network
low complexity
juniper CWE-754
7.5
2021-07-15 CVE-2021-0289 Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability in Juniper Junos
When user-defined ARP Policer is configured and applied on one or more Aggregated Ethernet (AE) interface units, a Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability between the Device Control Daemon (DCD) and firewall process (dfwd) daemons of Juniper Networks Junos OS allows an attacker to bypass the user-defined ARP Policer.
high complexity
juniper CWE-367
5.3
2021-07-15 CVE-2021-0291 Information Exposure vulnerability in Juniper Junos 15.1/17.3/17.4
An Exposure of System Data vulnerability in Juniper Networks Junos OS and Junos OS Evolved, where a sensitive system-level resource is not being sufficiently protected, allows a network-based unauthenticated attacker to send specific traffic which partially reaches this resource.
network
low complexity
juniper CWE-200
6.5
2021-04-22 CVE-2021-0267 Improper Input Validation vulnerability in Juniper Junos
An Improper Input Validation vulnerability in the active-lease query portion in JDHCPD's DHCP Relay Agent of Juniper Networks Junos OS allows an attacker to cause a Denial of Service (DoS) by sending a crafted DHCP packet to the device thereby crashing the jdhcpd DHCP service.
low complexity
juniper CWE-20
6.5
2021-04-22 CVE-2021-0266 Use of Hard-coded Credentials vulnerability in Juniper Junos 20.2/20.3/20.4
The use of multiple hard-coded cryptographic keys in cSRX Series software in Juniper Networks Junos OS allows an attacker to take control of any instance of a cSRX deployment through device management services.
network
low complexity
juniper CWE-798
critical
9.8
2021-04-22 CVE-2021-0264 Improper Handling of Exceptional Conditions vulnerability in Juniper Junos and Junos OS Evolved
A vulnerability in the processing of traffic matching a firewall filter containing a syslog action in Juniper Networks Junos OS on MX Series with MPC10/MPC11 cards installed, PTX10003 and PTX10008 Series devices, will cause the line card to crash and restart, creating a Denial of Service (DoS).
network
low complexity
juniper CWE-755
7.5
2021-04-22 CVE-2021-0257 Memory Leak vulnerability in Juniper Junos
On Juniper Networks MX Series and EX9200 Series platforms with Trio-based MPCs (Modular Port Concentrators) where Integrated Routing and Bridging (IRB) interfaces are configured and mapped to a VPLS instance or a Bridge-Domain, certain Layer 2 network events at Customer Edge (CE) devices may cause memory leaks in the MPC of Provider Edge (PE) devices which can cause an out of memory condition and MPC restart.
low complexity
juniper CWE-401
6.5