CVE-2021-0259: Improper Handling of Exceptional Conditions

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. If an attacker on ...

CVE-2021-0263: Undefined Security Weakness

A Data Processing vulnerability in the Multi-Service process multi-svcs on the FPC of Juniper Networks Junos OS on the PTX Series routers may lead to the process becoming unresponsive, ultimately affecting traffic forwarding, allowing an attacker to cause a Denial of Service DoS condition . The...

CVE-2021-0267: Improper Input Validation

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. This is typically...

CVE-2021-0254: Incorrect Calculation of Buffer Size

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. Continued receip...

CVE-2021-0271: Double Free

A Double Free vulnerability in the software forwarding interface daemon sfid process of Juniper Networks Junos OS allows an adjacently-connected attacker to cause a Denial of Service DoS by sending a crafted ARP packet to the device. Continued receipt and processing of the crafted ARP packets wil...

CVE-2021-0234: Improper Initialization

Due to an improper Initialization vulnerability on Juniper Networks Junos OS QFX5100-96S devices with QFX 5e Series image installed, ddos-protection configuration changes will not take effect beyond the default DDoS Distributed Denial of Service settings when configured from the CLI. The DDoS...

CVE-2021-0239: Improper Check for Unusual or Exceptional Conditions

In Juniper Networks Junos OS Evolved, receipt of a stream of specific genuine Layer 2 frames may cause the Advanced Forwarding Toolkit AFT manager process Evo-aftmand, responsible for handling Route, Class-of-Service CoS, Firewall operations within the packet forwarding engine PFE to crash and...

CVE-2021-0248: Use of Hard-coded Credentials

This issue is not applicable to NFX NextGen Software. On NFX Series devices the use of Hard-coded Credentials in Juniper Networks Junos OS allows an attacker to take over any instance of an NFX deployment. This issue is only exploitable through administrative interfaces. This issue affects: Junip...

CVE-2021-0272: Missing Release of Memory after Effective Lifetime

A kernel memory leak in QFX10002-32Q, QFX10002-60C, QFX10002-72Q, QFX10008, QFX10016 devices Flexible PIC Concentrators FPCs on Juniper Networks Junos OS allows an attacker to send genuine packets destined to the device to cause a Denial of Service DoS to the device. On QFX10002-32Q, QFX10002-60C...

CVE-2021-0275: Improper Neutralization of Input During Web Page Generation

A Cross-site Scripting XSS vulnerability in J-Web on Juniper Networks Junos OS allows an attacker to target another user's session thereby gaining access to the users session. The other user session must be active for the attack to succeed. Once successful, the attacker has the same privileges as...

PT-2021-12965

Name of the Vulnerable Software and Affected Versions: Junos OS versions prior to 15.1X49-D240 Junos OS versions prior to 17.3R3-S11 Junos OS versions prior to 17.4R3-S4 Junos OS versions prior to 18.1R3-S12 Junos OS versions prior to 18.2R3-S7 Junos OS versions prior to 18.3R3-S4 Junos OS versio...

CVE-2021-0245: Use of Hard-coded Credentials

A Use of Hard-coded Credentials vulnerability in Juniper Networks Junos OS on Junos Fusion satellite devices allows an attacker who is local to the device to elevate their privileges and take control of the device. This issue affects: Juniper Networks Junos OS Junos Fusion Satellite Devices. 16.1...

CVE-2021-0264: Improper Check or Handling of Exceptional Conditions

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...

CVE-2021-0241: Improper Check or Handling of Exceptional Conditions

On Juniper Networks Junos OS platforms configured as DHCPv6 local server or DHCPv6 Relay Agent, Juniper Networks Dynamic Host Configuration Protocol Daemon JDHCPD process might crash with a core dump if a specific DHCPv6 packet is received, resulting in a restart of the daemon. The daemon...

PT-2021-12957

Name of the Vulnerable Software and Affected Versions: Juniper Networks Junos OS versions 18.3R1 through 18.3R2 on SRX1500, SRX4100, SRX4200, SRX4600, SRX5000 Series with SPC2 Juniper Networks Junos OS versions 18.4R1 through 18.4R1 on SRX1500, SRX4100, SRX4200, SRX4600, SRX5000 Series with...

CVE-2021-0260: Improper Authorization

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 tha...

CVE-2021-0262: Use After Free

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. Exploitation of this vulnerability may allow a logically...

PT-2021-12964 · Juniper Networks · Junos

Name of the Vulnerable Software and Affected Versions: Juniper Networks Junos OS versions prior to 15.1R7-S9 Juniper Networks Junos OS versions prior to 17.3R3-S11 Juniper Networks Junos OS versions prior to 17.4R2-S13 Juniper Networks Junos OS versions prior to 17.4R3-S4 Juniper Networks Junos O...

CVE-2021-0225: Improper Check for Unusual or Exceptional Conditions

An Improper Check for Unusual or Exceptional Conditions in Juniper Networks Junos OS Evolved may cause the stateless firewall filter configuration which uses the action 'policer' in certain combinations with other options to not take effect. An administrator can use the following CLI command to s...

PT-2021-12959

Name of the Vulnerable Software and Affected Versions: Juniper Networks Junos OS versions prior to 19.1R1 on NFX Series Description: The issue allows an attacker to take over any instance of an NFX deployment through the use of hard-coded credentials in Juniper Networks Junos OS. This issue is on...