PT-2019-3853 · Siemens · Siprotec 5+1
Published
2019-07-09
·
Updated
2020-06-10
·
CVE-2019-10930
CVSS v3.1
7.5
High
| Vector | AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
Name of the Vulnerable Software and Affected Versions
DIGSI 5 versions prior to V7.90
SIPROTEC 5 device types 6MD85, 6MD86, 6MD89, 7UM85, 7SA87, 7SD87, 7SL87, 7VK87, 7SA82, 7SA86, 7SD82, 7SD86, 7SL82, 7SL86, 7SJ86, 7SK82, 7SK85, 7SJ82, 7SJ85, 7UT82, 7UT85, 7UT86, 7UT87, and 7VE85 versions prior to V7.90
SIPROTEC 5 device types 7SS85 and 7KE85 versions prior to V8.01
SIPROTEC 5 device types with CPU variants CP200 and the respective Ethernet communication modules (all versions)
Description
The issue is related to insufficient input validation in the software. A remote attacker could exploit this by sending specially crafted packets to port 443/TCP, allowing them to upload, download, or delete files in certain parts of the system.
Recommendations
For DIGSI 5 versions prior to V7.90, update to version V7.90 or later.
For SIPROTEC 5 device types 6MD85, 6MD86, 6MD89, 7UM85, 7SA87, 7SD87, 7SL87, 7VK87, 7SA82, 7SA86, 7SD82, 7SD86, 7SL82, 7SL86, 7SJ86, 7SK82, 7SK85, 7SJ82, 7SJ85, 7UT82, 7UT85, 7UT86, 7UT87, and 7VE85 versions prior to V7.90, update to version V7.90 or later.
For SIPROTEC 5 device types 7SS85 and 7KE85 versions prior to V8.01, update to version V8.01 or later.
For SIPROTEC 5 device types with CPU variants CP200 and the respective Ethernet communication modules, consider disabling access to port 443/TCP as a temporary workaround until a patch is available.
Fix
RCE
Files Accessible to External Parties
Unrestricted File Upload
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Related Identifiers
Affected Products
Digsi 5
Siprotec 5