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CVE-2014-3821

17
FAUCET Score

CVE-2014-3821 describes a Cross-site Scripting (XSS) vulnerability within the SRX Web Authentication (webauth) component of Juniper Junos, affecting multiple versions across the 11.4, 12.1X44, 12.1X45, 12.1X46, and 12.1X47 series. This flaw allows remote attackers to inject arbitrary web script or HTML through unspecified vectors. With a CVSS score of 4.3, this vulnerability has a medium attack complexity and requires no authentication, potentially leading to information disclosure or defacement (impact on integrity). 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
11.4CPE matchmatch criteria
cpe:2.3:o:juniper:junos:11.4:*:*:*:*:*:*:*
12.1x44CPE matchmatch criteria
cpe:2.3:o:juniper:junos:12.1x44:*:*:*:*:*:*:*
12.1x45CPE matchmatch criteria
cpe:2.3:o:juniper:junos:12.1x45:*:*:*:*:*:*:*
12.1x46CPE matchmatch criteria
cpe:2.3:o:juniper:junos:12.1x46:*:*:*:*:*:*:*
12.1x47CPE matchmatch criteria
cpe:2.3:o:juniper:junos:12.1x47:*:*:*:*:*:*:*

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
1.19%
Probability of exploitation in next 30 days
EPSS Percentile
64.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0119 is in the 30th percentile among its peer group of 19,956 CVEs.

Social Chatter

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
securityfocus.com / bid/68548
securitytracker.com / id/1030563