How many Juniper Junos OS CVEs are in CISA KEV?

Yes — 7 of Juniper Junos OS's CVEs are listed in CISA's Known Exploited Vulnerabilities catalog, confirmed exploited in the wild and carrying a CISA remediation deadline.

Which versions of Juniper Junos OS are affected?

2,777 distinct Juniper Junos OS versions are named across its CVEs. Use the version filter above to see the CVEs affecting a specific version.

What are the most common weakness types in Juniper Junos OS CVEs?

Juniper Junos OS's CVEs most often map to these CWE weakness types: CWE-754 (Improper Check for Unusual or Exceptional Conditions), CWE-401 (Missing Release of Memory after Effective Lifetime), CWE-755 (Improper Handling of Exceptional Conditions), CWE-20 (Improper Input Validation).

How many critical Juniper Junos OS vulnerabilities are there?

Juniper Junos OS has 39 critical and 393 high-severity CVEs.

What is the average severity of Juniper Junos OS CVEs?

The average CVSS base score across Juniper Junos OS's scored CVEs is 7.3.

Juniper Junos OS Vulnerabilities: CVEs, CISA KEV & Security Advisories

Overview

Juniper Junos OS has 683 published CVE records since 2017, of which 7 are in CISA's Known Exploited Vulnerabilities catalog and 9 have a known public exploit. The average CVSS base score across scored CVEs is 7.3.

This page aggregates every publicly disclosed vulnerability (CVE) affecting Juniper Junos OS, with a severity breakdown, the affected and patched versions, the most common weakness types, and the full CVE list. Affected platforms include acx series, acx1000, acx1100, acx2000, acx2100, acx2200.

Severity and exploitation

How the CVSS severity of Juniper Junos OS's CVEs breaks down, plus how many are exploited in the wild or have public exploit code.

Critical39

High393

Medium251

Low0

In CISA’s Known Exploited Vulnerabilities catalog

7 of Juniper Junos OS's CVEs are confirmed exploited in the wild.

Public exploits

9 of Juniper Junos OS's CVEs have a known public exploit available.

Affected versions and CVEs

Browse every Juniper Junos OS version named in a CVE, then pick one to see only the CVEs that affect it.

Specific versions

15.1X49 prior to 15.1X49-D1005 CVEs
11.4 prior to 11.4R13-S33 CVEs
12.3X48 prior to 12.3X48-D303 CVEs
12.3X48 prior to 12.3X48-D503 CVEs
14.1X53 prior to 14.1X53-D403 CVEs
14.1X55 prior to 14.1X55-D353 CVEs
15.1 prior to 15.1R33 CVEs
15.1X49 prior to 15.1X49-D603 CVEs
15.1X53 prior to 15.1X53-D473 CVEs
17.1 versions prior to 17.1R33 CVEs

Frequently asked questions

Common questions about Juniper Junos OS vulnerabilities.

How many CVEs does Juniper Junos OS have?: Juniper Junos OS has 683 published CVE records since 2017.
How many Juniper Junos OS CVEs are in CISA KEV?: Yes — 7 of Juniper Junos OS's CVEs are listed in CISA's Known Exploited Vulnerabilities catalog, confirmed exploited in the wild and carrying a CISA remediation deadline.
Are there public exploits for Juniper Junos OS vulnerabilities?: Yes — 9 of Juniper Junos OS's CVEs have a known public exploit.
Which versions of Juniper Junos OS are affected?: 2,777 distinct Juniper Junos OS versions are named across its CVEs. Use the version filter above to see the CVEs affecting a specific version.
What are the most common weakness types in Juniper Junos OS CVEs?: Juniper Junos OS's CVEs most often map to these CWE weakness types: CWE-754 (Improper Check for Unusual or Exceptional Conditions), CWE-401 (Missing Release of Memory after Effective Lifetime), CWE-755 (Improper Handling of Exceptional Conditions), CWE-20 (Improper Input Validation).
How many critical Juniper Junos OS vulnerabilities are there?: Juniper Junos OS has 39 critical and 393 high-severity CVEs.
What is the average severity of Juniper Junos OS CVEs?: The average CVSS base score across Juniper Junos OS's scored CVEs is 7.3.

Juniper Junos OS Vulnerabilities

Overview

Severity and exploitation

Affected versions and CVEs

Specific versions

Common weakness types

Disclosure activity by year

Other Juniper products

Frequently asked questions

References

Track Juniper Junos OS vulnerabilities

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