Improper Certificate Validation in Junos OS - CVE-2019-0054
Published: October 10, 2019
Vulnerability identifier: #VU21693
CSH Severity: Medium
CVSS v4: 7.4 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-0054
CWE-ID: CWE-295
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a man-in-the-middle (MiTM) attack.
The vulnerability exists due to an improper certificate validation weakness in the SRX Series Application Identification (app-id) signature update client. A remote attacker can perform MitM attack during app-id signature updates.
Affected software
Junos OS
How to mitigate CVE-2019-0054
Install updates from vendor's website.
Junos OS - update to 15.1X49-D120