What is CVE-2018-0014?

CVE-2018-0014 is a medium-severity vulnerability in Juniper Screenos, classified under Information Disclosure. CVSS score: 4.3/10. Published 2018-01-10.

How severe is CVE-2018-0014?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Information disclosure in Juniper Screenos

CVE-2018-0014

Juniper Networks ScreenOS devices do not pad Ethernet packets with zeros, and thus some packets can contain fragments of system memory or data from previous packets. This issue is often detected as CVE-2003-0001. The issue affects all versions of Juniper Networks ScreenOS prior to 6.3.0r25.

Vulnerability class: Information Disclosure

Published 2018-01-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.006 (46.8th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 46.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Juniper Screenos — versions 6.3.0r1, 6.3.0r2, 6.3.0r3
Juniper Networks Screenos — versions all

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

kb.juniper.net/JSA10841 (Vendor Advisory)
www.securitytracker.com/id/1040185 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2018-0014?: CVE-2018-0014 is a medium-severity vulnerability in Juniper Screenos, classified under Information Disclosure. CVSS score: 4.3/10. Published 2018-01-10.
How severe is CVE-2018-0014?: Medium severity. CVSS v3 base score is 4.3 out of 10.