Juniper Junos OS Race Condition (JSA11250)

The version of Junos OS installed on the remote host is affected by a vulnerability as referenced in the JSA11250 advisory. 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 ...

Race condition

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. This issue only occurs whe...

CVE-2021-31382: Concurrent Execution using Shared Resource with Improper Synchronization

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. This issue only occurs whe...

PT-2021-19279

Name of the Vulnerable Software and Affected Versions Juniper Networks Junos OS on PTX1000 System versions 17.2R1 through 20.4R2 Juniper Networks Junos OS on PTX10002-60C System versions 18.2R1 through 21.3R2 Description A Race Condition vulnerability between the chassis daemon chassisd and...

CVE-2021-0247: Concurrent Execution using Shared Resource with Improper Synchronization

A Race Condition Concurrent Execution using Shared Resource with Improper Synchronization vulnerability in the firewall process dfwd of Juniper Networks Junos OS allows an attacker to bypass the firewall rule sets applied to the input loopback filter on any interfaces of a device. This issue is...

Vulnerabilities fixed in Juniper JunOS

A Race Condition vulnerability in the firewall process dfwd of Juniper Networks Junos OS allows an attacker to bypass the firewall rulesets to bypass CVE-2021-0247. A vulnerability in the forwarding of TCPv6 transit packets received on the Ethernet management interface of Juniper Networks Junos O...