CVE-2021-0285 is an uncontrolled resource consumption vulnerability affecting Juniper Networks Junos OS on QFX5000 Series and EX4600 Series switches. Attackers can trigger Interchassis Control Protocol (ICCP) interruptions and an unstable Multi-Chassis Link Aggregation Group (MC-LAG) control connection by sending large volumes of legitimate traffic, leading to sustained Denial of Service (DoS) and traffic loss. Rated with a CVSS score of 7.5 (HIGH), this vulnerability has a network attack vector and low attack complexity, requiring no user interaction or privileges. The primary impact is high availability loss (Denial of Service). There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion regarding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 15.1, < 15.1R7-S9CPE match | cpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:* | ||
>= 17.3, < 17.3R3-S11CPE match | cpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:* | ||
>= 18.3, < 18.3R3-S5CPE match | cpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:* | ||
>= 19.1, < 19.1R3-S5CPE match | cpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:* | ||
>= 20.3, < 20.3R2CPE match | cpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.