CVE-2020-1668 — Uncontrolled Resource Consumption in Networks Junos OS
Severity
6.5MEDIUMNVD
EPSS
0.2%
top 58.55%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedOct 16
Latest updateMay 24
Description
On Juniper Networks EX2300 Series, receipt of a stream of specific multicast packets by the layer2 interface can cause high CPU load, which could lead to traffic interruption. This issue occurs when multicast packets are received by the layer 2 interface. To check if the device has high CPU load due to this issue, the administrator can issue the following command: user@host> show chassis routing-engine Routing Engine status: ... Idle 2 percent the "Idle" value shows as low (2 % in the example ab…
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6
Affected Packages2 packages
🔴Vulnerability Details
2GHSA▶
GHSA-mgw6-w847-57fr: On Juniper Networks EX2300 Series, receipt of a stream of specific multicast packets by the layer2 interface can cause high CPU load, which could lead↗2022-05-24
CVEList▶
Junos OS: EX2300 Series: High CPU load due to receipt of specific multicast packets on layer 2 interface↗2020-10-16
📋Vendor Advisories
1Juniper▶
CVE-2020-1668: On Juniper Networks EX2300 Series, receipt of a stream of specific multicast packets by the layer2 interface can cause high CPU load, which could lead↗2020-10-16