CVE-2021-0287

CVE-2021-0287 affects Juniper Networks Junos OS and Junos OS Evolved in SR-ISIS/MPLS with ISIS Flexible Algorithm and sensor-based statistics. A flap of an ISIS link can crash and restart the RPD, causing Denial of Service (DoS). Affected versions include Junos OS: 19.4 prior to 19.4R1-S4 and 19....

CVE-2021-0286 Junos OS Evolved: Specially crafted packets may cause the AFT manager process to crash and restart

A vulnerability in the handling of exceptional conditions in Juniper Networks Junos OS Evolved EVO allows an attacker to send specially crafted packets to the device, causing the Advanced Forwarding Toolkit manager evo-aftmand-bt or evo-aftmand-zx process to crash and restart, impacting all traff...

CVE-2021-0286

CVE-2021-0286 affects Juniper Networks Junos OS Evolved (EVO). A vulnerability in handling of exceptional conditions can be triggered by specially crafted packets, causing the evo-aftmand-bt or evo-aftmand-zx process to crash and restart, which disrupts all traffic through the FPC and leads to a ...

CVE-2021-0285

CVE-2021-0285 describes an uncontrolled resource consumption vulnerability in Juniper Networks Junos OS on QFX5000 Series and EX4600 Series switches. The issue allows an attacker to send large volumes of legitimate traffic to a device, causing ICCP interruptions and an unstable MC-LAG control con...

CVE-2021-0285 Junos OS: QFX5000 Series and EX4600 Series: Continuous traffic destined to a device configured with MC-LAG leading to nodes losing their control connection which can impact traffic

An uncontrolled resource consumption vulnerability in Juniper Networks Junos OS on QFX5000 Series and EX4600 Series switches allows an attacker sending large amounts of legitimate traffic destined to the device to cause Interchassis Control Protocol ICCP interruptions, leading to an unstable...

CVE-2021-0283

CVE-2021-0283 is a buffer overflow in Juniper Networks Junos OS TCP/IP stack that enables DoS by sending crafted packets to the device. According to the sources, affected Junos OS versions include 12.3 before 12.3R12-S19; 15.1 before 15.1R7-S10; 16.1 (R1 and later), 16.2 (R1 and later), 17.1 (R1 ...

CVE-2021-0282

CVE-2021-0282 – Junos OS DoS via BGP UPDATE with Multipath/add-path enabled . Affects Juniper’s Junos OS where Multipath/add-path is enabled; processing a specific BGP UPDATE can crash and restart the routing process daemon (RPD), causing a DoS. Sustained receipt of the UPDATE can propagate the D...

CVE-2021-0281 Junos OS and Junos OS Evolved: Specific packets can trigger rpd crash when BGP Origin Validation is configured with RPKI

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. Continued receipt...

CVE-2021-0281

CVE-2021-0281 affects Juniper Networks Junos OS and Junos OS Evolved. A crafted BGP origin validation/ RPki packet from the RPKI cache server can crash and restart the routing process daemon (RPD), causing a DoS. Affected releases include Junos OS 17.3 (before 17.3R3-S12), 17.4 (before 17.4R3-S5)...

CVE-2021-0280

CVE-2021-0280 affects Juniper Junos OS on PTX and QFX10K with Paradise (PE) chipset line cards. Root cause: Improper initialization in the DDoS policer path of the Packet Forwarding Engine, causing ddos-protection CLI changes to not apply beyond default DDoS settings. Impact: BFD session flapping...

CVE-2021-0278

CVE-2021-0278 is an Improper Input Validation vulnerability in J-Web of Juniper Networks Junos OS that allows a locally authenticated attacker to escalate to root. Affected Junos OS versions include 19.3R1 and later (various 19.3/19.4/20.x/21.x releases listed in sources). The connected documents...

CVE-2021-0278 Junos OS: J-Web allows a locally authenticated attacker to escalate their privileges to root.

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...

CVE-2021-0277

Summary (CVE-2021-0277): An out-of-bounds read in the Layer 2 Control Protocol Daemon (l2cpd) of Juniper Networks Junos OS and Junos OS Evolved can cause DoS and may lead to remote code execution when processing crafted LLDP frames. Affected: Junos OS versions prior to listed fixed releases (e.g....

CVE-2021-0285: Allocation of Resources Without Limits or Throttling

An uncontrolled resource consumption vulnerability in Juniper Networks Junos OS on QFX5000 Series and EX4600 Series switches allows an attacker sending large amounts of legitimate traffic destined to the device to cause Interchassis Control Protocol ICCP interruptions, leading to an unstable...

CVE-2021-0277: Out-of-bounds Read

An Out-of-bounds Read vulnerability in the processing of specially crafted LLDP frames by the Layer 2 Control Protocol Daemon l2cpd of Juniper Networks Junos OS and Junos OS Evolved may allow an attacker to cause a Denial of Service DoS, or may lead to remote code execution RCE. Continued receipt...

CVE-2021-0283: Buffer Copy without Checking Size of Input

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...

Vulnerabilities fixed in Juniper products

Juniper has fixed vulnerabilities in Junos OS, Junos OS Evolved and PTX, QTX, MX, EX9200 and SRX4600 devices. The vulnerabilities potentially enable a malicious party to launch attacks leading to the following categories of damage: Denial-of-Service DoS. Circumvention of security measure Remote...

CVE-2021-0290: Improper Handling of Exceptional Conditions

Improper Handling of Exceptional Conditions in Ethernet interface frame processing of Juniper Networks Junos OS allows an attacker to send specially crafted frames over the local Ethernet segment, causing the interface to go into a down state, resulting in a Denial of Service DoS condition. The...

CVE-2021-0293: Missing Release of Memory after Effective Lifetime

A vulnerability in Juniper Networks Junos OS caused by Missing Release of Memory after Effective Lifetime leads to a memory leak each time the CLI command 'show system connections extensive' is executed. The amount of memory leaked on each execution depends on the number of TCP connections from a...

CVE-2021-0289: Time-of-check Time-of-use (TOCTOU) Race Condition

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...