CVE-2018-4848 Cross-site scripting in SCALANCE X-200 switch family (incl. SIPLUS NET variants)
An attacker can execute arbitrary scripts in the web interface of Siemens SCALANCE switches if a logged-in user visits a malicious link.
- 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-2018-4848?
CVE-2018-4848 is a medium-severity cross-site scripting vulnerability in Siemens SCALANCE X-200 switch family (incl. SIPLUS NET variants), published on 14 Jun 2018. 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
A vulnerability has been identified in SCALANCE X-200 switch family (incl. SIPLUS NET variants) (All versions < V5.2.3), SCALANCE X-200IRT switch family (incl. SIPLUS NET variants) (All versions < V5.4.1), SCALANCE X-200RNA switch family (All versions < V3.2.7), SCALANCE X-300 switch family (incl. X408 and SIPLUS NET variants) (All versions < V4.1.3). The integrated configuration web server of the affected devices could allow Cross-Site Scripting (XSS) attacks if unsuspecting users are tricked into accessing a malicious link. User interaction is required for a successful exploitation. The user must be logged into the web interface in order for the exploitation to succeed. At the stage of publishing this security advisory no public exploitation is known. The vendor has confirmed the vulnerability and provides mitigations to resolve it.
Which versions are affected by CVE-2018-4848?
It affects 3 products.
Products include Siemens Scalance X-200 Firmware, Siemens Scalance X-200 Irt Firmware, Siemens Scalance X300 Firmware.
How do I fix CVE-2018-4848?
No fix has been published for CVE-2018-4848 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-2018-4848 being exploited?
There is no known exploitation of CVE-2018-4848 in the wild and no public exploit code.
Other vulnerabilities in Siemens SCALANCE X-200 switch family (incl. SIPLUS NET variants)
Sources
Also known as GHSA-9g23-gj69-j9g7.