CVE-2018-0014

CVE-2018-0014 is a medium-severity vulnerability in Juniper Screenos with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.

Key facts

• Severity: Medium (CVSS 3.x base score 4.3)
• CVSS v2: 3.3
• EPSS exploit prediction: 1% (45th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-200
• Affected product: Juniper Screenos
• Published: 2018-01-10
• Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.

How severe is CVE-2018-0014?

CVE-2018-0014 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2018-0014 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-0014?

CVE-2018-0014 primarily affects Juniper Screenos. In total, 25 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-0014?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-0014 published?

CVE-2018-0014 was published on 2018-01-10 and last updated on 2026-06-17.

References

• http://www.securitytracker.com/id/1040185
• https://kb.juniper.net/JSA10841

Affected products (25)

• cpe:2.3:o:juniper:screenos:6.3.0r1:*:*:*:*:*:*:*
• cpe:2.3:o:juniper:screenos:6.3.0r2:*:*:*:*:*:*:*
• cpe:2.3:o:juniper:screenos:6.3.0r3:*:*:*:*:*:*:*
• cpe:2.3:o:juniper:screenos:6.3.0r4:*:*:*:*:*:*:*
• cpe:2.3:o:juniper:screenos:6.3.0r5:*:*:*:*:*:*:*
• cpe:2.3:o:juniper:screenos:6.3.0r6:*:*:*:*:*:*:*
• cpe:2.3:o:juniper:screenos:6.3.0r7:*:*:*:*:*:*:*
• cpe:2.3:o:juniper:screenos:6.3.0r8:*:*:*:*:*:*:*
• cpe:2.3:o:juniper:screenos:6.3.0r9:*:*:*:*:*:*:*
• cpe:2.3:o:juniper:screenos:6.3.0r10:*:*:*:*:*:*:*
• cpe:2.3:o:juniper:screenos:6.3.0r11:*:*:*:*:*:*:*
• cpe:2.3:o:juniper:screenos:6.3.0r12:*:*:*:*:*:*:*
• cpe:2.3:o:juniper:screenos:6.3.0r13:*:*:*:*:*:*:*
• cpe:2.3:o:juniper:screenos:6.3.0r14:*:*:*:*:*:*:*
• cpe:2.3:o:juniper:screenos:6.3.0r15:*:*:*:*:*:*:*
• cpe:2.3:o:juniper:screenos:6.3.0r16:*:*:*:*:*:*:*
• cpe:2.3:o:juniper:screenos:6.3.0r17:*:*:*:*:*:*:*
• cpe:2.3:o:juniper:screenos:6.3.0r18:*:*:*:*:*:*:*
• cpe:2.3:o:juniper:screenos:6.3.0r19:*:*:*:*:*:*:*
• cpe:2.3:o:juniper:screenos:6.3.0r20:*:*:*:*:*:*:*
• cpe:2.3:o:juniper:screenos:6.3.0r21:*:*:*:*:*:*:*
• cpe:2.3:o:juniper:screenos:6.3.0r22:*:*:*:*:*:*:*
• cpe:2.3:o:juniper:screenos:6.3.0r23:*:*:*:*:*:*:*
• cpe:2.3:o:juniper:screenos:6.3.0r24:*:*:*:*:*:*:*
• cpe:2.3:o:juniper:screenos:6.3.0r25:*:*:*:*:*:*:*

More vulnerabilities in Juniper Screenos

• CVE-2015-7755 — Critical (CVSS 9.8): Juniper ScreenOS 6.2.0r15 through 6.2.0r18, 6.3.0r12 before 6.3.0r12b, 6.3.0r13 before 6.3.0r13b, 6.3.0r14 before…
• CVE-2017-2336 — Critical (CVSS 9.6): A reflected cross site scripting vulnerability in NetScreen WebUI of Juniper Networks Juniper NetScreen Firewall+VPN…
• CVE-2017-2339 — High (CVSS 8.4): A persistent cross site scripting vulnerability in NetScreen WebUI of Juniper Networks Juniper NetScreen Firewall+VPN…
• CVE-2017-2338 — High (CVSS 8.4): A persistent cross site scripting vulnerability in NetScreen WebUI of Juniper Networks Juniper NetScreen Firewall+VPN…
• CVE-2017-2337 — High (CVSS 8.4): A persistent cross site scripting vulnerability in NetScreen WebUI of Juniper Networks Juniper NetScreen Firewall+VPN…
• CVE-2017-2335 — High (CVSS 8.4): A persistent cross site scripting vulnerability in NetScreen WebUI of Juniper Networks Juniper NetScreen Firewall+VPN…

All CVEs affecting Juniper Screenos →

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