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Vulnerabilities

Vulnerability · CVE-2019-0007

The vMX Series software uses a predictable IP ID Sequence Number.

Published Jan 15, 2019 · catalog updated Jun 17, 2026 · The vMX Series software

Last checked Nov 10, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2019-0007. EPSS is 1.73%. Act only if a listed version of The vMX Series software is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (The vMX Series software).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Critical10.0
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
1.73%
Remediation
Advisory link
Affected products
cpe juniper/junos

The vMX Series software uses a predictable IP ID Sequence Number. This leaves the system as well as clients connecting through the device susceptible to a family of attacks which rely on the use of predictable IP ID sequence numbers as their base method of attack. This issue was found during internal product security testing. Affected releases are Juniper Networks Junos OS: 15.1 versions prior to 15.1F5 on vMX Series.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe juniper/junos15.1

How to fix CVE-2019-0007

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2019-0007. EPSS is 1.73%. Act only if a listed version of The vMX Series software is installed.

Which versions are affected?

Compare what you have installed with 15.1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-330: Insufficiently Random Values. EPSS 1.73%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Juniper Junos OS security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jan 15, 2019 · Monitored products — high

    Detected

    The vMX Series software uses a predictable IP ID Sequence Number. This leaves the system as well as clients connecting through the device susceptible to a family of attacks which rely on the use of predictable IP ID sequence numbers as their base method of attack. This issue was found during internal product security testing. Affected releases are Juniper Networks Junos OS: 15.1 versions prior to

  2. Jun 17, 2026 · Monitored products — high

    Updated

    The vMX Series software uses a predictable IP ID Sequence Number. This leaves the system as well as clients connecting through the device susceptible to a family of attacks which rely on the use of predictable IP ID sequence numbers as their base method of attack. This issue was found during internal product security testing. Affected releases are Juniper Networks Junos OS: 15.1 versions prior to

Sources

  • CVE.orgVulnerability recordCVE-2019-0007

    Official CVE identifier

    cve.org
  • Monitored products — highVendor advisoryCVE-2019-0007

    The vMX Series software uses a predictable IP ID Sequence Number. This leaves the system as well as clients connecting through the device susceptible to a family of attacks which rely on the use of predictable IP ID sequence numbers as their base method of attack. This issue was found during internal product security testing. Affected releases are Juniper Networks Junos OS: 15.1 versions prior to

    nvd.nist.gov

References

Freshness

Last verified in this catalog Nov 10, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgNov 7, 2026
  • Monitored products — highNov 7, 2026