CVE-2019-0054

Name: CVE-2019-0054
Creator: NVD / NIST
Published: 2019-10-09T20:15:16.347+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.4/10EPSS 0.59%

Last modified Jun 17, 2026

CVE-2019-0054 is a high-severity vulnerability rated 7.4/10 on the CVSS scale. An Improper Certificate Validation weakness in the SRX Series Application Identification (app-id) signature update client of Juniper Networks Junos OS allows an attacker to perform Man-in-the-Middle (MitM) attacks which may compromise the integrity and confidentiality of the device. This issue affects: Juniper Networks Junos OS 15.1X49 versions prior to 15.1X49-D120 on SRX Series devices. EPSS estimates a 0.59% chance of exploitation in the next 30 days.

Description

An Improper Certificate Validation weakness in the SRX Series Application Identification (app-id) signature update client of Juniper Networks Junos OS allows an attacker to perform Man-in-the-Middle (MitM) attacks which may compromise the integrity and confidentiality of the device. This issue affects: Juniper Networks Junos OS 15.1X49 versions prior to 15.1X49-D120 on SRX Series devices. No other versions of Junos OS are affected.

Metrics

CVSS 3.1

7.4/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS Probability

0.59%

43.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Juniper	Junos	15.1x49

References

https://kb.juniper.net/JSA10952Vendor Advisory
https://www.juniper.net/documentation/en_US/junos/topics/topic-map/security-application-identification-overview.htmlVendor Advisory
https://kb.juniper.net/JSA10952Vendor Advisory
https://www.juniper.net/documentation/en_US/junos/topics/topic-map/security-application-identification-overview.htmlVendor Advisory

Timeline

Published: Oct 9, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-0054?

How severe is CVE-2019-0054?

CVE-2019-0054 has a CVSS score of 7.4/10 (HIGH severity). The EPSS model estimates a 0.59% probability of exploitation in the next 30 days.

How do I fix CVE-2019-0054?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-0054?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST