CVE-2020-1653 describes a denial-of-service vulnerability in Juniper Networks Junos OS, affecting versions from 17.4R1 onwards. A specially crafted stream of TCP packets directed at the Routing Engine can cause an mbuf leak, leading to a Flexible PIC Concentrator (FPC) crash or a system-wide crash and restart. This issue has a CVSS score of 7.5 (HIGH), indicating it can be exploited remotely with low attack complexity, resulting in high availability impact without requiring user interaction or privileges. There is currently no evidence of active exploitation, and no public exploit code (Metasploit, Nuclei, ExploitDB) or significant community discussion has been identified.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
17.4CPE matchmatch criteria | cpe:2.3:o:juniper:junos:17.4:-:*:*:*:*:*:* | ||
17.4CPE matchmatch criteria | cpe:2.3:o:juniper:junos:17.4:r1:*:*:*:*:*:* | ||
17.4CPE matchmatch criteria | cpe:2.3:o:juniper:junos:17.4:r1-s1:*:*:*:*:*:* | ||
17.4CPE matchmatch criteria | cpe:2.3:o:juniper:junos:17.4:r1-s2:*:*:*:*:*:* | ||
17.4CPE matchmatch criteria | cpe:2.3:o:juniper:junos:17.4:r1-s4:*:*:*:*:*:* |
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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