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.
CVE-2018-0009
MEDIUMNVD 5.45.9▲
EchelonGraph scoreMEDIUM confidence
Score 5.9 from GitHub Security Advisory published 2022-05-13. NVD baseline CVSS 5.4; sources differ by 0.5.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
5.4
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 5.4Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 5.4
- EG Score
- 5.9(medium)
- EPSS
- 66.3%
- KEV
- Not listed
Published
January 10, 2018
Last Modified
November 21, 2024
References (6)
- sirt@juniperhttp://www.securityfocus.com/bid/102491
- sirt@juniperhttp://www.securitytracker.com/id/1040187
- sirt@juniperhttps://kb.juniper.net/JSA10836
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/102491
- af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1040187
- af854a3a-2127-422b-91ae-364da2661108https://kb.juniper.net/JSA10836
Data Freshness Timeline
(refreshed 12× in last 7d / 45× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
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- 2026-05-28 12:42 UTCGHSA enrichment
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- 2026-05-25 18:16 UTCOSV refresh
Frequently asked(5)
What is CVE-2018-0009?
CVE-2018-0009 is a medium vulnerability published on January 10, 2018. 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…
When was CVE-2018-0009 disclosed?
CVE-2018-0009 was first published in the National Vulnerability Database on January 10, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2018-0009 actively exploited?
CVE-2018-0009 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 66.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2018-0009?
CVE-2018-0009 has a CVSS v3 base score of 5.4 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 5.9.
How do I remediate CVE-2018-0009?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-0009, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
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