CVE-2020-1670
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2020
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
Junos OS: EX4300 Series: High CPU load due to receipt of specific IPv4 packets
On Juniper Networks EX4300 Series, receipt of a stream of specific IPv4 packets can cause Routing Engine (RE) high CPU load, which could lead to network protocol operation issue and traffic interruption. This specific packets can originate only from within the broadcast domain where the device is connected. This issue occurs when the packets enter to the IRB interface. Only IPv4 packets can trigger this issue. IPv6 packets cannot trigger this issue. This issue affects Juniper Networks Junos OS on EX4300 series: 17.3 versions prior to 17.3R3-S9; 17.4 versions prior to 17.4R2-S11, 17.4R3-S2; 18.1 versions prior to 18.1R3-S10; 18.2 versions prior to 18.2R3-S4; 18.3 versions prior to 18.3R2-S4, 18.3R3-S2; 18.4 versions prior to 18.4R2-S4, 18.4R3-S2; 19.1 versions prior to 19.1R2-S2, 19.1R3-S1; 19.2 versions prior to 19.2R1-S5, 19.2R2-S1, 19.2R3; 19.3 versions prior to 19.3R2-S4, 19.3R3; 19.4 versions prior to 19.4R1-S3, 19.4R2; 20.1 versions prior to 20.1R1-S3, 20.1R2.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Junos OS
- Vendor
- Juniper Networks
- Product
- Junos OS
- Platforms
- EX4300 series
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 17.3 | affected | custom | 17.3R3-S9 | Unavailable | None listed |
| 17.4 | affected | custom | 17.4R2-S11, 17.4R3-S2 | Unavailable | None listed |
| 18.1 | affected | custom | 18.1R3-S10 | Unavailable | None listed |
| 18.2 | affected | custom | 18.2R3-S4 | Unavailable | None listed |
| 18.3 | affected | custom | 18.3R2-S4, 18.3R3-S2 | Unavailable | None listed |
| 18.4 | affected | custom | 18.4R2-S4, 18.4R3-S2 | Unavailable | None listed |
| 19.1 | affected | custom | 19.1R2-S2, 19.1R3-S1 | Unavailable | None listed |
| 19.2 | affected | custom | 19.2R1-S5, 19.2R2-S1, 19.2R3 | Unavailable | None listed |
| 19.3 | affected | custom | 19.3R2-S4, 19.3R3 | Unavailable | None listed |
| 19.4 | affected | custom | 19.4R1-S3, 19.4R2 | Unavailable | None listed |
| 20.1 | affected | custom | 20.1R1-S3, 20.1R2 | Unavailable | None listed |