CVE-2018-4842

Description

A vulnerability has been identified in 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). A remote, authenticated attacker with access to the configuration web server could be able to store script code on the web site, if the HRP redundancy option is set. This code could be executed in the web browser of victims visiting this web site (XSS), affecting its confidentiality, integrity and availability. User interaction is required for successful exploitation, as the user needs to visit the manipulated web site. 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.

Category

4.8
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.20%
Vendor Advisory siemens.com
Affected: Siemens SCALANCE X-200IRT switch family (incl. SIPLUS NET variants)
Affected: Siemens SCALANCE X-200RNA switch family
Affected: Siemens SCALANCE X-300 switch family (incl. X408 and SIPLUS NET variants)
Published at:
Updated at:

References

Link Tags
https://www.securityfocus.com/bid/104494 vdb entry
https://cert-portal.siemens.com/productcert/pdf/ssa-480829.pdf mitigation vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-4842?
CVE-2018-4842 has been scored as a medium severity vulnerability.
How to fix CVE-2018-4842?
To fix CVE-2018-4842, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-4842 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-4842 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-4842?
CVE-2018-4842 affects Siemens SCALANCE X-200IRT switch family (incl. SIPLUS NET variants), Siemens SCALANCE X-200RNA switch family, Siemens SCALANCE X-300 switch family (incl. X408 and SIPLUS NET variants).
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