Vulnerabilities > Juniper

DATE CVE VULNERABILITY TITLE RISK
2021-04-22 CVE-2021-0262 Use After Free vulnerability in Juniper Junos 19.1/19.2/20.2
Through routine static code analysis of the Juniper Networks Junos OS software codebase, the Secure Development Life Cycle team identified a Use After Free vulnerability in PFE packet processing on the QFX10002-60C switching platform.
low complexity
juniper CWE-416
6.5
2021-04-22 CVE-2021-0261 Unspecified vulnerability in Juniper Junos
A vulnerability in the HTTP/HTTPS service used by J-Web, Web Authentication, Dynamic-VPN (DVPN), Firewall Authentication Pass-Through with Web-Redirect, and Captive Portal allows an unauthenticated attacker to cause an extended Denial of Service (DoS) for these services by sending a high number of specific requests.
network
low complexity
juniper
7.5
2021-04-22 CVE-2021-0260 Unspecified vulnerability in Juniper Junos
An improper authorization vulnerability in the Simple Network Management Protocol daemon (snmpd) service of Juniper Networks Junos OS leads an unauthenticated attacker being able to perform SNMP read actions, an Exposure of System Data to an Unauthorized Control Sphere, or write actions to OIDs that support write operations, against the device without authentication.
network
low complexity
juniper
7.3
2021-04-22 CVE-2021-0259 Improper Handling of Exceptional Conditions vulnerability in Juniper Junos 17.3/17.4/18.1
Due to a vulnerability in DDoS protection in Juniper Networks Junos OS and Junos OS Evolved on QFX5K Series switches in a VXLAN configuration, instability might be experienced in the underlay network as a consequence of exceeding the default ddos-protection aggregate threshold.
low complexity
juniper CWE-755
7.4
2021-04-22 CVE-2021-0258 Race Condition vulnerability in Juniper Junos
A vulnerability in the forwarding of transit TCPv6 packets received on the Ethernet management interface of Juniper Networks Junos OS allows an attacker to trigger a kernel panic, leading to a Denial of Service (DoS).
network
high complexity
juniper CWE-362
5.9
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
2021-04-22 CVE-2021-0256 Improper Privilege Management vulnerability in Juniper Junos
A sensitive information disclosure vulnerability in the mosquitto message broker of Juniper Networks Junos OS may allow a locally authenticated user with shell access the ability to read portions of sensitive files, such as the master.passwd file.
local
low complexity
juniper CWE-269
5.5
2021-04-22 CVE-2021-0255 Improper Privilege Management vulnerability in Juniper Junos
A local privilege escalation vulnerability in ethtraceroute of Juniper Networks Junos OS may allow a locally authenticated user with shell access to escalate privileges and write to the local filesystem as root.
local
low complexity
juniper CWE-269
7.8
2021-04-22 CVE-2021-0254 Out-of-bounds Write vulnerability in Juniper Junos
A buffer size validation vulnerability in the overlayd service of Juniper Networks Junos OS may allow an unauthenticated remote attacker to send specially crafted packets to the device, triggering a partial Denial of Service (DoS) condition, or leading to remote code execution (RCE).
network
low complexity
juniper CWE-787
critical
9.8
2021-04-22 CVE-2021-0253 Command Injection vulnerability in Juniper Junos
NFX Series devices using Juniper Networks Junos OS are susceptible to a local command execution vulnerability thereby allowing an attacker to elevate their privileges via the Junos Device Management Daemon (JDMD) process.
local
low complexity
juniper CWE-77
7.8