CVE-2018-0009

UnknownEPSS 1.27%

Last modified

CVE-2018-0009 is a vulnerability of currently unknown severity. On Juniper Networks SRX series devices, firewall rules configured to match custom application UUIDs starting with zeros can match all TCP traffic. Due to this issue, traffic that should have been blocked by other rules is permitted to flow through the device resulting in a firewall bypass condition. EPSS estimates a 1.27% chance of exploitation in the next 30 days.

Description

On Juniper Networks SRX series devices, firewall rules configured to match custom application UUIDs starting with zeros can match all TCP traffic. Due to this issue, traffic that should have been blocked by other rules is permitted to flow through the device resulting in a firewall bypass condition. Affected releases are Juniper Networks Junos OS: 12.1X46 versions prior to 12.1X46-D71 on SRX series; 12.3X48 versions prior to 12.3X48-D55 on SRX series; 15.1X49 versions prior to 15.1X49-D100 on SRX series.

Metrics

EPSS Probability
1.27%

66.1th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
JuniperJunos12.1x46
JuniperJunos12.3x48
JuniperJunos15.1x49

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2018-0009?
On Juniper Networks SRX series devices, firewall rules configured to match custom application UUIDs starting with zeros can match all TCP traffic. Due to this issue, traffic that should have been blocked by other rules is permitted to flow through the device resulting in a firewall bypass condition. Affected releases are Juniper Networks Junos OS: 12.1X46 versions prior to 12.1X46-D71 on SRX series; 12.3X48 versions prior to 12.3X48-D55 on SRX series; 15.1X49 versions prior to 15.1X49-D100 on SRX series.
How severe is CVE-2018-0009?
Severity scoring for CVE-2018-0009 is pending analysis. The EPSS model estimates a 1.27% probability of exploitation in the next 30 days.
How do I fix CVE-2018-0009?
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-2018-0009?

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

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Source: NVD / NIST