How severe is CVE-2014-3820?

CVE-2014-3820 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2014-3820 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-3820?

CVE-2014-3820 primarily affects Juniper Junos Pulse Access Control Service. In total, 32 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-3820?

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

When was CVE-2014-3820 published?

CVE-2014-3820 was published on 2014-09-29 and last updated on 2026-06-17.

CVE-2014-3820

CVE-2014-3820 is a medium-severity vulnerability in Juniper Junos Pulse Access Control Service with a CVSS 2.0 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-79.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Juniper Junos Pulse Access Control Service
Published: 2014-09-29
Last modified: 2026-06-17

Description

Cross-site scripting (XSS) vulnerability in the SSL VPN/UAC web server in the Juniper Junos Pulse Secure Access Service (SSL VPN) devices with IVE OS 7.1 before 7.1r16, 7.4 before 7.4r3, and 8.0 before 8.0r1 and the Juniper Junos Pulse Access Control Service devices with UAC OS 4.1 before 4.1r8, 4.4 before 4.4r3 and 5.0 before 5.0r1 allows remote administrators to inject arbitrary web script or HTML via unspecified vectors.

Frequently asked questions

What is CVE-2014-3820?: Cross-site scripting (XSS) vulnerability in the SSL VPN/UAC web server in the Juniper Junos Pulse Secure Access Service (SSL VPN) devices with IVE OS 7.1 before 7.1r16, 7.4 before 7.4r3, and 8.0 before 8.0r1 and the Juniper Junos Pulse Access Control Service devices with UAC OS 4.1 before 4.1r8, 4.4 before 4.4r3 and 5.0 before 5.0r1 allows remote administrators to inject arbitrary web script or HTML via unspecified vectors.
How severe is CVE-2014-3820?: CVE-2014-3820 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2014-3820 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-3820?: CVE-2014-3820 primarily affects Juniper Junos Pulse Access Control Service. In total, 32 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-3820?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-3820 published?: CVE-2014-3820 was published on 2014-09-29 and last updated on 2026-06-17.

References

Affected products (32)

cpe:2.3:a:juniper:junos_pulse_access_control_service:4.1:*:*:*:*:*:*:*
cpe:2.3:a:juniper:junos_pulse_access_control_service:4.1r1:*:*:*:*:*:*:*
cpe:2.3:a:juniper:junos_pulse_access_control_service:4.1r1.1:*:*:*:*:*:*:*
cpe:2.3:a:juniper:junos_pulse_access_control_service:4.1r2:*:*:*:*:*:*:*
cpe:2.3:a:juniper:junos_pulse_access_control_service:4.1r3:*:*:*:*:*:*:*
cpe:2.3:a:juniper:junos_pulse_access_control_service:4.1r4:*:*:*:*:*:*:*
cpe:2.3:a:juniper:junos_pulse_access_control_service:4.1r5:*:*:*:*:*:*:*
cpe:2.3:a:juniper:junos_pulse_access_control_service:4.4:*:*:*:*:*:*:*
cpe:2.3:a:juniper:junos_pulse_access_control_service:4.4:r1:*:*:*:*:*:*
cpe:2.3:a:juniper:junos_pulse_access_control_service:4.4:r2:*:*:*:*:*:*
cpe:2.3:a:juniper:junos_pulse_access_control_service:5.0:*:*:*:*:*:*:*
cpe:2.3:a:juniper:junos_pulse_secure_access_service:7.1:*:*:*:*:*:*:*
cpe:2.3:a:juniper:junos_pulse_secure_access_service:7.1r1:*:*:*:*:*:*:*
cpe:2.3:a:juniper:junos_pulse_secure_access_service:7.1r1.1:*:*:*:*:*:*:*
cpe:2.3:a:juniper:junos_pulse_secure_access_service:7.1r2:*:*:*:*:*:*:*
cpe:2.3:a:juniper:junos_pulse_secure_access_service:7.1r3:*:*:*:*:*:*:*
cpe:2.3:a:juniper:junos_pulse_secure_access_service:7.1r4:*:*:*:*:*:*:*
cpe:2.3:a:juniper:junos_pulse_secure_access_service:7.1r5:*:*:*:*:*:*:*
cpe:2.3:a:juniper:junos_pulse_secure_access_service:7.1r6:*:*:*:*:*:*:*
cpe:2.3:a:juniper:junos_pulse_secure_access_service:7.1r7:*:*:*:*:*:*:*
cpe:2.3:a:juniper:junos_pulse_secure_access_service:7.1r8:*:*:*:*:*:*:*
cpe:2.3:a:juniper:junos_pulse_secure_access_service:7.1r9:*:*:*:*:*:*:*
cpe:2.3:a:juniper:junos_pulse_secure_access_service:7.1r10:*:*:*:*:*:*:*
cpe:2.3:a:juniper:junos_pulse_secure_access_service:7.1r11:*:*:*:*:*:*:*
cpe:2.3:a:juniper:junos_pulse_secure_access_service:7.1r12:*:*:*:*:*:*:*
cpe:2.3:a:juniper:junos_pulse_secure_access_service:7.1r13:*:*:*:*:*:*:*
cpe:2.3:a:juniper:junos_pulse_secure_access_service:7.1r14:*:*:*:*:*:*:*
cpe:2.3:a:juniper:junos_pulse_secure_access_service:7.1r15:*:*:*:*:*:*:*
cpe:2.3:a:juniper:junos_pulse_secure_access_service:7.4:*:*:*:*:*:*:*
cpe:2.3:a:juniper:junos_pulse_secure_access_service:7.4:r1.0:*:*:*:*:*:*
cpe:2.3:a:juniper:junos_pulse_secure_access_service:7.4:r2.0:*:*:*:*:*:*
cpe:2.3:a:juniper:junos_pulse_secure_access_service:8.0:*:*:*:*:*:*:*

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CVE-2013-3970 — Medium (CVSS 4.3): Juniper Junos Pulse Secure Access Service (aka SSL VPN) with IVE OS 7.0r2 through 7.0r8 and 7.1r1 through 7.1r5 and…

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