CVE-2014-3821 Cross-site scripting in n/a
Remote attackers can inject arbitrary web script or HTML into the Juniper SRX Web Authentication interface, potentially compromising user sessions.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2014-3821?
CVE-2014-3821 is a medium-severity cross-site scripting vulnerability in Juniper Junos, published on 11 Jul 2014. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Cross-site scripting (XSS) vulnerability in SRX Web Authentication (webauth) in Juniper Junos 11.4 before 11.4R11, 12.1X44 before 12.1X44-D34, 12.1X45 before 12.1X45-D25, 12.1X46 before 12.1X46-D20, and 12.1X47 before 12.1X47-D10 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
Weakness: CWE-79
Which versions are affected by CVE-2014-3821?
It affects 1 product.
Products include Juniper Junos.
How do I fix CVE-2014-3821?
No fix has been published for CVE-2014-3821 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2014-3821 being exploited?
There is no known exploitation of CVE-2014-3821 in the wild and no public exploit code.
Other vulnerabilities in Juniper Junos
- CVE-2023-36845 Juniper Junos OS EX Series and SRX Series PHP External Variable Modification
- CVE-2020-1631 Juniper Junos OS Path Traversal
- CVE-2025-21590 Juniper Junos OS Improper Isolation or Compartmentalization
- CVE-2023-36851 Juniper Junos OS SRX Series Missing Authentication for Critical Function
- CVE-2023-36844 Juniper Junos OS EX Series PHP External Variable Modification
Sources
Also known as GHSA-q3x4-2743-52q4.