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CVE-2014-3820

14
FAUCET Score

CVE-2014-3820 describes a cross-site scripting (XSS) vulnerability affecting the SSL VPN/UAC web server in Juniper Junos Pulse Secure Access Service and Junos Pulse Access Control Service devices across several versions. This flaw allows remote administrators to inject arbitrary web script or HTML. With a CVSS score of 4.3, it is a medium-severity vulnerability requiring medium attack complexity and resulting in partial integrity impact, but no confidentiality or availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
4.1CPE matchmatch criteria
cpe:2.3:a:juniper:junos_pulse_access_control_service:4.1:*:*:*:*:*:*:*
4.1r1CPE matchmatch criteria
cpe:2.3:a:juniper:junos_pulse_access_control_service:4.1r1:*:*:*:*:*:*:*
4.1r1.1CPE matchmatch criteria
cpe:2.3:a:juniper:junos_pulse_access_control_service:4.1r1.1:*:*:*:*:*:*:*
4.1r2CPE matchmatch criteria
cpe:2.3:a:juniper:junos_pulse_access_control_service:4.1r2:*:*:*:*:*:*:*
4.1r3CPE matchmatch criteria
cpe:2.3:a:juniper:junos_pulse_access_control_service:4.1r3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

AV:N/AC:M/Au:N/C:N/I:P/A:N

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.79%
Probability of exploitation in next 30 days
EPSS Percentile
52.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0079 is in the 11th percentile among its peer group of 19,958 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

junipervendor investigatingvia nvd_reference
View patch

References

kb.juniper.net / InfoCenter/index
Vendor Advisory
securitytracker.com / id/1030852