XSS in Siemens Scalance X-200
CVE-2018-4848
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.010 (62.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 62.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
- Siemens Scalance X-200
- Siemens Scalance X-200 Firmware
- Siemens Scalance X-200 Irt
- Siemens Scalance X-200 Irt Firmware
- Siemens Scalance X-200irt Switch Family (Incl. Siplus Net Variants) — versions All versions < V5.4.1
- Siemens Scalance X-200rna Switch Family — versions All versions < V3.2.7
- Siemens Scalance X-200 Switch Family (Incl. Siplus Net Variants) — versions All versions < V5.2.3
- Siemens Scalance X300
- Siemens Scalance X300 Firmware
- Siemens Scalance X-300 Switch Family (Incl. X408 And Siplus Net Variants) — versions All versions < V4.1.3
Weakness classification (CWE)
References
- www.securityfocus.com/bid/104494 (VDB Entry, Third Party Advisory, vdb-entry)
- cert-portal.siemens.com/productcert/pdf/ssa-480829.pdf (Third Party Advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2018-4848?
- CVE-2018-4848 is a medium-severity vulnerability in Siemens Scalance X-200, classified under Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS). CVSS score: 6.1/10. Published 2018-06-14.
- How severe is CVE-2018-4848?
- Medium severity. CVSS v3 base score is 6.1 out of 10.