CVE-2021-31382

Summary

CVECVE-2021-31382
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-10-19 19:15:00 UTC
Updated2021-10-27 13:03:00 UTC
DescriptionOn 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 when upgrading the device to an affected version of Junos OS. Interfaces intended to have protections may have no protections assigned to them. Interfaces with one type of protection pattern may have alternate protections assigned to them. Interfaces intended to have no protections may have protections assigned to them. These firewall rule misassignments may allow genuine traffic intended to be stopped at the interface to propagate further, potentially causing disruptions in services by propagating unwanted traffic. An attacker may be able to take advantage of these misassignments. This issue affects Juniper Networks Junos OS on PTX1000 System: 17.2 versions 17.2R1 and later versions prior to 17.3 versions prior to 17.3R3-S12; 17.4 versions prior to 17.4R3-S5; 18.1 versions prior to 18.1R3-S13; 18.2 versions prior to 18.2R3-S8; 18.3 versions prior to 18.3R3-S5; 18.4 versions prior to 18.4R1-S8, 18.4R2-S8, 18.4R3-S8; 19.1 versions prior to 19.1R3-S5; 19.2 versions prior to 19.2R3-S2; 19.3 versions prior to 19.3R2-S6, 19.3R3-S3; 19.4 versions prior to 19.4R2-S4, 19.4R3-S3; 20.1 versions prior to 20.1R3; 20.2 versions prior to 20.2R2-S3, 20.2R3; 20.3 versions prior to 20.3R2-S1, 20.3R3; 20.4 versions prior to 20.4R1-S1, 20.4R2. This issue does not affect Juniper Networks Junos OS prior to version 17.2R1 on PTX1000 System. This issue affects Juniper Networks Junos OS on PTX10002-60C System: 18.2 versions 18.2R1 and later versions prior to 18.4 versions prior to 18.4R3-S9; 19.1 versions later than 19.1R1 prior to 19.4 versions prior to 19.4R2-S5, 19.4R3-S5; 20.1 versions prior to 20.1R3-S1; 20.2 versions prior to 20.2R3-S2; 20.3 versions prior to 20.3R3-S1; 20.4 versions 20.4R1 and later versions prior to 21.1 versions prior to 21.1R2; 21.2 versions 21.2R1 and later versions prior to 21.3 versions prior to 21.3R2. This issue does not affect Juniper Networks Junos OS prior to version 18.2R1 on PTX10002-60C System. This issue impacts all filter families (inet, inet6, etc.) and all loopback filters. It does not rely upon the location where a filter is set, impacting both logical and physical interfaces.

Risk And Classification

Problem Types: CWE-362

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Juniper Junos 17.2 r1 All All
Operating System Juniper Junos 17.2 r1-s1 All All
Operating System Juniper Junos 17.2 r1-s2 All All
Operating System Juniper Junos 17.2 r1-s3 All All
Operating System Juniper Junos 17.2 r1-s4 All All
Operating System Juniper Junos 17.2 r1-s5 All All
Operating System Juniper Junos 17.2 r1-s6 All All
Operating System Juniper Junos 17.2 r1-s7 All All
Operating System Juniper Junos 17.2 r1-s8 All All
Operating System Juniper Junos 17.2 r2 All All
Operating System Juniper Junos 17.2 r2-s11 All All
Operating System Juniper Junos 17.2 r2-s4 All All
Operating System Juniper Junos 17.2 r2-s6 All All
Operating System Juniper Junos 17.2 r2-s7 All All
Operating System Juniper Junos 17.2 r3 All All
Operating System Juniper Junos 17.2 r3-s1 All All
Operating System Juniper Junos 17.2 r3-s2 All All
Operating System Juniper Junos 17.2 r3-s3 All All
Operating System Juniper Junos 17.2 r3-s4 All All
Operating System Juniper Junos 17.2x75 All All All
Operating System Juniper Junos 17.2x75 - All All
Operating System Juniper Junos 17.2x75 d100 All All
Operating System Juniper Junos 17.2x75 d102 All All
Operating System Juniper Junos 17.2x75 d110 All All
Operating System Juniper Junos 17.2x75 d50 All All
Operating System Juniper Junos 17.2x75 d70 All All
Operating System Juniper Junos 17.2x75 d90 All All
Operating System Juniper Junos 17.2x75 d91 All All
Operating System Juniper Junos 17.2x75 d92 All All
Operating System Juniper Junos 17.3 - All All
Operating System Juniper Junos 17.3 r1 All All
Operating System Juniper Junos 17.3 r1-s1 All All
Operating System Juniper Junos 17.3 r1-s4 All All
Operating System Juniper Junos 17.3 r2 All All
Operating System Juniper Junos 17.3 r2-s1 All All
Operating System Juniper Junos 17.3 r2-s2 All All
Operating System Juniper Junos 17.3 r2-s3 All All
Operating System Juniper Junos 17.3 r2-s4 All All
Operating System Juniper Junos 17.3 r2-s5 All All
Operating System Juniper Junos 17.3 r3 All All
Operating System Juniper Junos 17.3 r3-s1 All All
Operating System Juniper Junos 17.3 r3-s10 All All
Operating System Juniper Junos 17.3 r3-s11 All All
Operating System Juniper Junos 17.3 r3-s2 All All
Operating System Juniper Junos 17.3 r3-s3 All All
Operating System Juniper Junos 17.3 r3-s4 All All
Operating System Juniper Junos 17.3 r3-s5 All All
Operating System Juniper Junos 17.3 r3-s6 All All
Operating System Juniper Junos 17.3 r3-s7 All All
Operating System Juniper Junos 17.3 r3-s8 All All
Operating System Juniper Junos 17.3 r3-s9 All All
Operating System Juniper Junos 17.4 - All All
Operating System Juniper Junos 17.4 r1 All All
Operating System Juniper Junos 17.4 r1-s1 All All
Operating System Juniper Junos 17.4 r1-s2 All All
Operating System Juniper Junos 17.4 r1-s3 All All
Operating System Juniper Junos 17.4 r1-s4 All All
Operating System Juniper Junos 17.4 r1-s5 All All
Operating System Juniper Junos 17.4 r1-s6 All All
Operating System Juniper Junos 17.4 r1-s7 All All
Operating System Juniper Junos 17.4 r2 All All
Operating System Juniper Junos 17.4 r2-s1 All All
Operating System Juniper Junos 17.4 r2-s10 All All
Operating System Juniper Junos 17.4 r2-s11 All All
Operating System Juniper Junos 17.4 r2-s12 All All
Operating System Juniper Junos 17.4 r2-s13 All All
Operating System Juniper Junos 17.4 r2-s2 All All
Operating System Juniper Junos 17.4 r2-s3 All All
Operating System Juniper Junos 17.4 r2-s4 All All
Operating System Juniper Junos 17.4 r2-s5 All All
Operating System Juniper Junos 17.4 r2-s6 All All
Operating System Juniper Junos 17.4 r2-s7 All All
Operating System Juniper Junos 17.4 r2-s8 All All
Operating System Juniper Junos 17.4 r2-s9 All All
Operating System Juniper Junos 17.4 r3 All All
Operating System Juniper Junos 17.4 r3-s1 All All
Operating System Juniper Junos 17.4 r3-s2 All All
Operating System Juniper Junos 17.4 r3-s3 All All
Operating System Juniper Junos 17.4 r3-s4 All All
Operating System Juniper Junos 18.1 - All All
Operating System Juniper Junos 18.1 r All All
Operating System Juniper Junos 18.1 r1 All All
Operating System Juniper Junos 18.1 r2 All All
Operating System Juniper Junos 18.1 r2-s1 All All
Operating System Juniper Junos 18.1 r2-s2 All All
Operating System Juniper Junos 18.1 r2-s4 All All
Operating System Juniper Junos 18.1 r3 All All
Operating System Juniper Junos 18.1 r3-s1 All All
Operating System Juniper Junos 18.1 r3-s10 All All
Operating System Juniper Junos 18.1 r3-s11 All All
Operating System Juniper Junos 18.1 r3-s12 All All
Operating System Juniper Junos 18.1 r3-s2 All All
Operating System Juniper Junos 18.1 r3-s3 All All
Operating System Juniper Junos 18.1 r3-s4 All All
Operating System Juniper Junos 18.1 r3-s5 All All
Operating System Juniper Junos 18.1 r3-s6 All All
Operating System Juniper Junos 18.1 r3-s7 All All
Operating System Juniper Junos 18.1 r3-s8 All All
Operating System Juniper Junos 18.1 r3-s9 All All
Operating System Juniper Junos 18.2 - All All
Operating System Juniper Junos 18.2 r1 All All
Operating System Juniper Junos 18.2 r1-s2 All All
Operating System Juniper Junos 18.2 r1-s3 All All
Operating System Juniper Junos 18.2 r1-s4 All All
Operating System Juniper Junos 18.2 r1-s5 All All
Operating System Juniper Junos 18.2 r2 All All
Operating System Juniper Junos 18.2 r2-s1 All All
Operating System Juniper Junos 18.2 r2-s2 All All
Operating System Juniper Junos 18.2 r2-s3 All All
Operating System Juniper Junos 18.2 r2-s4 All All
Operating System Juniper Junos 18.2 r2-s5 All All
Operating System Juniper Junos 18.2 r2-s6 All All
Operating System Juniper Junos 18.2 r2-s7 All All
Operating System Juniper Junos 18.2 r2-s8 All All
Operating System Juniper Junos 18.2 r3 All All
Operating System Juniper Junos 18.2 r3-s1 All All
Operating System Juniper Junos 18.2 r3-s2 All All
Operating System Juniper Junos 18.2 r3-s3 All All
Operating System Juniper Junos 18.2 r3-s4 All All
Operating System Juniper Junos 18.2 r3-s5 All All
Operating System Juniper Junos 18.2 r3-s6 All All
Operating System Juniper Junos 18.2 r3-s7 All All
Operating System Juniper Junos 18.2x75 All All All
Operating System Juniper Junos 18.2x75 - All All
Operating System Juniper Junos 18.2x75 d12 All All
Operating System Juniper Junos 18.2x75 d20 All All
Operating System Juniper Junos 18.2x75 d30 All All
Operating System Juniper Junos 18.2x75 d40 All All
Operating System Juniper Junos 18.2x75 d411 All All
Operating System Juniper Junos 18.2x75 d5 All All
Operating System Juniper Junos 18.2x75 d50 All All
Operating System Juniper Junos 18.2x75 d51 All All
Operating System Juniper Junos 18.2x75 d60 All All
Operating System Juniper Junos 18.2x75-d10 All All All
Operating System Juniper Junos 18.2x75-d30 All All All
Operating System Juniper Junos 18.3 - All All
Operating System Juniper Junos 18.3 r All All
Operating System Juniper Junos 18.3 r1 All All
Operating System Juniper Junos 18.3 r1-s1 All All
Operating System Juniper Junos 18.3 r1-s2 All All
Operating System Juniper Junos 18.3 r1-s3 All All
Operating System Juniper Junos 18.3 r1-s4 All All
Operating System Juniper Junos 18.3 r1-s5 All All
Operating System Juniper Junos 18.3 r1-s6 All All
Operating System Juniper Junos 18.3 r2 All All
Operating System Juniper Junos 18.3 r2-s1 All All
Operating System Juniper Junos 18.3 r2-s2 All All
Operating System Juniper Junos 18.3 r2-s3 All All
Operating System Juniper Junos 18.3 r2-s4 All All
Operating System Juniper Junos 18.3 r3 All All
Operating System Juniper Junos 18.3 r3-s1 All All
Operating System Juniper Junos 18.3 r3-s2 All All
Operating System Juniper Junos 18.3 r3-s3 All All
Operating System Juniper Junos 18.3 r3-s4 All All
Operating System Juniper Junos 18.4 - All All
Operating System Juniper Junos 18.4 r1 All All
Operating System Juniper Junos 18.4 r1-s1 All All
Operating System Juniper Junos 18.4 r1-s2 All All
Operating System Juniper Junos 18.4 r1-s3 All All
Operating System Juniper Junos 18.4 r1-s4 All All
Operating System Juniper Junos 18.4 r1-s5 All All
Operating System Juniper Junos 18.4 r1-s6 All All
Operating System Juniper Junos 18.4 r1-s7 All All
Operating System Juniper Junos 18.4 r2 All All
Operating System Juniper Junos 18.4 r2-s1 All All
Operating System Juniper Junos 18.4 r2-s2 All All
Operating System Juniper Junos 18.4 r2-s3 All All
Operating System Juniper Junos 18.4 r2-s4 All All
Operating System Juniper Junos 18.4 r2-s5 All All
Operating System Juniper Junos 18.4 r2-s6 All All
Operating System Juniper Junos 18.4 r2-s7 All All
Operating System Juniper Junos 18.4 r3 All All
Operating System Juniper Junos 18.4 r3-s1 All All
Operating System Juniper Junos 18.4 r3-s2 All All
Operating System Juniper Junos 18.4 r3-s3 All All
Operating System Juniper Junos 18.4 r3-s4 All All
Operating System Juniper Junos 18.4 r3-s5 All All
Operating System Juniper Junos 18.4 r3-s6 All All
Operating System Juniper Junos 18.4 r3-s7 All All
Operating System Juniper Junos 18.4 r3-s8 All All
Operating System Juniper Junos 19.1 - All All
Operating System Juniper Junos 19.1 r1 All All
Operating System Juniper Junos 19.1 r1-s1 All All
Operating System Juniper Junos 19.1 r1-s2 All All
Operating System Juniper Junos 19.1 r1-s3 All All
Operating System Juniper Junos 19.1 r1-s4 All All
Operating System Juniper Junos 19.1 r1-s5 All All
Operating System Juniper Junos 19.1 r1-s6 All All
Operating System Juniper Junos 19.1 r2 All All
Operating System Juniper Junos 19.1 r2-s1 All All
Operating System Juniper Junos 19.1 r2-s2 All All
Operating System Juniper Junos 19.1 r2-s3 All All
Operating System Juniper Junos 19.1 r3 All All
Operating System Juniper Junos 19.1 r3-s1 All All
Operating System Juniper Junos 19.1 r3-s2 All All
Operating System Juniper Junos 19.1 r3-s3 All All
Operating System Juniper Junos 19.1 r3-s4 All All
Operating System Juniper Junos 19.2 - All All
Operating System Juniper Junos 19.2 r1 All All
Operating System Juniper Junos 19.2 r1-s1 All All
Operating System Juniper Junos 19.2 r1-s2 All All
Operating System Juniper Junos 19.2 r1-s3 All All
Operating System Juniper Junos 19.2 r1-s4 All All
Operating System Juniper Junos 19.2 r1-s5 All All
Operating System Juniper Junos 19.2 r1-s6 All All
Operating System Juniper Junos 19.2 r1-s7 All All
Operating System Juniper Junos 19.2 r2 All All
Operating System Juniper Junos 19.2 r2-s1 All All
Operating System Juniper Junos 19.2 r3 All All
Operating System Juniper Junos 19.2 r3-s1 All All
Operating System Juniper Junos 19.3 - All All
Operating System Juniper Junos 19.3 r1 All All
Operating System Juniper Junos 19.3 r1-s1 All All
Operating System Juniper Junos 19.3 r2 All All
Operating System Juniper Junos 19.3 r2-s1 All All
Operating System Juniper Junos 19.3 r2-s2 All All
Operating System Juniper Junos 19.3 r2-s3 All All
Operating System Juniper Junos 19.3 r2-s4 All All
Operating System Juniper Junos 19.3 r2-s5 All All
Operating System Juniper Junos 19.3 r3 All All
Operating System Juniper Junos 19.3 r3-s1 All All
Operating System Juniper Junos 19.3 r3-s2 All All
Operating System Juniper Junos 19.4 r1 All All
Operating System Juniper Junos 19.4 r1-s1 All All
Operating System Juniper Junos 19.4 r1-s2 All All
Operating System Juniper Junos 19.4 r1-s3 All All
Operating System Juniper Junos 19.4 r1-s4 All All
Operating System Juniper Junos 19.4 r2 All All
Operating System Juniper Junos 19.4 r2-s1 All All
Operating System Juniper Junos 19.4 r2-s2 All All
Operating System Juniper Junos 19.4 r2-s3 All All
Operating System Juniper Junos 19.4 r2-s4 All All
Operating System Juniper Junos 19.4 r3 All All
Operating System Juniper Junos 19.4 r3-s1 All All
Operating System Juniper Junos 19.4 r3-s2 All All
Operating System Juniper Junos 19.4 r3-s3 All All
Operating System Juniper Junos 19.4 r3-s4 All All
Operating System Juniper Junos 20.1 r1 All All
Operating System Juniper Junos 20.1 r1-s1 All All
Operating System Juniper Junos 20.1 r1-s2 All All
Operating System Juniper Junos 20.1 r1-s3 All All
Operating System Juniper Junos 20.1 r1-s4 All All
Operating System Juniper Junos 20.1 r2 All All
Operating System Juniper Junos 20.1 r2-s1 All All
Operating System Juniper Junos 20.1 r2-s2 All All
Operating System Juniper Junos 20.1 r3 All All
Operating System Juniper Junos 20.2 r1 All All
Operating System Juniper Junos 20.2 r1-s1 All All
Operating System Juniper Junos 20.2 r1-s2 All All
Operating System Juniper Junos 20.2 r1-s3 All All
Operating System Juniper Junos 20.2 r2 All All
Operating System Juniper Junos 20.2 r2-s1 All All
Operating System Juniper Junos 20.2 r2-s2 All All
Operating System Juniper Junos 20.2 r2-s3 All All
Operating System Juniper Junos 20.2 r3 All All
Operating System Juniper Junos 20.2 r3-s1 All All
Operating System Juniper Junos 20.3 r1 All All
Operating System Juniper Junos 20.3 r1-s1 All All
Operating System Juniper Junos 20.3 r2 All All
Operating System Juniper Junos 20.3 r2-s1 All All
Operating System Juniper Junos 20.3 r3 All All
Operating System Juniper Junos 20.4 r1 All All
Operating System Juniper Junos 20.4 r1-s1 All All
Operating System Juniper Junos 20.4 r2 All All
Operating System Juniper Junos 20.4 r2-s1 All All
Operating System Juniper Junos 20.4 r3 All All
Operating System Juniper Junos 21.1 r1 All All
Operating System Juniper Junos 21.1 r1-s1 All All
Operating System Juniper Junos 21.2 r1 All All
Operating System Juniper Junos 21.2 r1-s1 All All
Operating System Juniper Junos 21.2 r2 All All
Operating System Juniper Junos 21.3 r1 All All
Hardware Juniper Ptx1000 - All All All
Hardware Juniper Ptx10002-60c - All All All

References

ReferenceSourceLinkTags
2021-10 Security Bulletin: Junos OS: PTX1000 System, PTX10002-60C System: After upgrading, configured firewall filters may be applied on incorrect interfaces (CVE-2021-31382) - Juniper Networks CONFIRM kb.juniper.net
[Junos] How to restart a specific process in Junos? - Juniper Networks MISC kb.juniper.net
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
© CVE.report 2026 |

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