CVE-2020-1643 — Improper Handling of Exceptional Conditions in Networks Junos OS
Severity
5.5MEDIUMNVD
EPSS
0.1%
top 65.97%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJul 17
Latest updateMay 24
Description
Execution of the "show ospf interface extensive" or "show ospf interface detail" CLI commands on a Juniper Networks device running Junos OS may cause the routing protocols process (RPD) to crash and restart if OSPF interface authentication is configured, leading to a Denial of Service (DoS). By continuously executing the same CLI commands, a local attacker can repeatedly crash the RPD process causing a sustained Denial of Service. Note: Only systems utilizing ARM processors, found on the EX2300 …
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6
Affected Packages2 packages
🔴Vulnerability Details
2GHSA▶
GHSA-9fv5-j7w3-ph59: Execution of the "show ospf interface extensive" or "show ospf interface detail" CLI commands on a Juniper Networks device running Junos OS may cause↗2022-05-24
CVEList▶
Junos OS: EX Series: RPD crash when executing specific "show ospf interface" commands from the CLI with OSPF authentication configured↗2020-07-17
📋Vendor Advisories
1Juniper▶
CVE-2020-1643: Execution of the "show ospf interface extensive" or "show ospf interface detail" CLI commands on a Juniper Networks device running Junos OS may cause↗2020-07-17