CVE-2021-0203: Incomplete Filtering of Multiple Instances of Special Elements

On Juniper Networks EX and QFX5K Series platforms configured with Redundant Trunk Group RTG, Storm Control profile applied on the RTG interface might not take affect when it reaches the threshold condition. Storm Control enables the device to monitor traffic levels and to drop broadcast, multicas...

CVE-2021-0204: Execution with Unnecessary Privileges

A sensitive information disclosure vulnerability in delta-export configuration utility dexp of Juniper Networks Junos OS may allow a locally authenticated shell user the ability to create and read database files generated by the dexp utility, including password hashes of local users. Since dexp i...

CVE-2021-0205: Improper Access Control

When the "Intrusion Detection Service" IDS feature is configured on Juniper Networks MX series with a dynamic firewall filter using IPv6 source or destination prefix, it may incorrectly match the prefix as /32, causing the filter to block unexpected traffic. This issue affects only IPv6 prefixes...

CVE-2021-0207: Interpretation Conflict

An improper interpretation conflict of certain data between certain software components within the Juniper Networks Junos OS devices does not allow certain traffic to pass through the device upon receipt from an ingress interface filtering certain specific types of traffic which is then being...

CVE-2021-0208: Improper Input Validation

An improper input validation vulnerability in the Routing Protocol Daemon RPD service of Juniper Networks Junos OS allows an attacker to send a malformed RSVP packet when bidirectional LSPs are in use, which when received by an egress router crashes the RPD causing a Denial of Service DoS...

CVE-2021-0210: Exposure of Sensitive Information to an Unauthorized Actor

An Information Exposure vulnerability in J-Web of Juniper Networks Junos OS allows an unauthenticated attacker to elevate their privileges over the target system through opportunistic use of an authenticated users session. This issue affects: Juniper Networks Junos OS 12.3 versions prior to...

CVE-2021-0215: Uncontrolled Resource Consumption

On Juniper Networks Junos EX series, QFX Series, MX Series and SRX branch series devices, a memory leak occurs every time the 802.1X authenticator port interface flaps which can lead to other processes, such as the pfex process, responsible for packet forwarding, to crash and restart. An...

CVE-2021-0217: Improper Restriction of Operations within the Bounds of a Memory Buffer

A vulnerability in processing of certain DHCP packets from adjacent clients on EX Series and QFX Series switches running Juniper Networks Junos OS with DHCP local/relay server configured may lead to exhaustion of DMA memory causing a Denial of Service DoS. Over time, exploitation of this...

CVE-2021-0218: Improper Neutralization of Special Elements used in an OS Command

A command injection vulnerability in the license-check daemon of Juniper Networks Junos OS that may allow a locally authenticated attacker with low privileges to execute commands with root privilege. license-check is a daemon used to manage licenses in Junos OS. To update licenses, a user execute...

CVE-2021-0219: Improper Neutralization of Special Elements used in an OS Command

A command injection vulnerability in install package validation subsystem of Juniper Networks Junos OS that may allow a locally authenticated attacker with privileges to execute commands with root privilege. To validate a package in Junos before installation, an administrator executes the command...

CVE-2021-0221: Improper Check or Handling of Exceptional Conditions

In an EVPN/VXLAN scenario, if an IRB interface with a virtual gateway address VGA is configured on a PE, a traffic loop may occur upon receipt of specific IP multicast traffic. The traffic loop will cause interface traffic to increase abnormally, ultimately leading to a Denial of Service DoS in...

CVE-2021-0222: Undefined Security Weakness

A vulnerability in Juniper Networks Junos OS allows an attacker to cause a Denial of Service DoS to the device by sending certain crafted protocol packets from an adjacent device with invalid payloads to the device. These crafted packets, which should be discarded, are instead replicated and sent...

CVE-2021-0223: Execution with Unnecessary Privileges

A local privilege escalation vulnerability in telnetd.real of Juniper Networks Junos OS may allow a locally authenticated shell user to escalate privileges and execute arbitrary commands as root. telnetd.real is shipped with setuid permissions enabled and is owned by the root user, allowing local...

CVE-2021-0206: NULL Pointer Dereference

A NULL Pointer Dereference vulnerability in Juniper Networks Junos OS allows an attacker to send a specific packet causing the packet forwarding engine PFE to crash and restart, resulting in a Denial of Service DoS. By continuously sending these specific packets, an attacker can repeatedly disabl...

Juniper Junos OS Command Injection (JSA11108)

The version of Junos OS installed on the remote host is affected by a command injection vulnerability as referenced in the JSA11108 advisory. Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number. C Tenable Network Security,...

Juniper Junos OS DoS (JSA11111)

The version of Junos OS installed on the remote host is affected by a denial of service vulnerability as referenced in the JSA11111 advisory. Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number. TRUSTED...

Juniper Junos OS DoS (JSA11092)

The version of Junos OS installed on the remote host is affected by a denial of service vulnerability as referenced in the JSA11092 advisory. Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number. TRUSTED...

Juniper Junos OS DoS (JSA11091)

The version of Junos OS installed on the remote host is affected by a denial of service vulnerability as referenced in the JSA11091 advisory. Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number. TRUSTED...

Vulnerabilities fixed in Juniper Junos OS

Juniper has fixed vulnerabilities in Junos OS. The vulnerabilities allow a remote malicious person to to bypass a security measure and to cause a denial-of-service cause. Juniper categorizes these vulnerabilities according to the CVSSv3 method with a highest score of 8.8. Juniper has released...

Juniper Junos OS Denial of Service (JSA11105)

The version of Junos OS installed on the remote host is affected by a vulnerability as referenced in the JSA11105 advisory. Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number. TRUSTED...