CVE-2021-31890
High
Description
A vulnerability has been identified in Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR Classic R20-11 (All versions < V2303), PLUSCONTROL 1st Gen (All versions), SIMOTICS CONNECT 400 (All versions < V0.5.0.0), SIMOTICS CONNECT 400 (All versions < V1.0.0.0). The total length of an TCP payload (set in the IP header) is unchecked. This may lead to various side effects, including Information Leak and Denial-of-Service conditions, depending on the network buffer organization in memory. (FSMD-2021-0017)
SeverityHigh
CVSS7.5
Exploit probability—
ProductSiemens Capital Vstar
PublishedNov 9, 2021
First seenNov 9, 2021
Weakness typeCWE-240CWE-240
How to fix
Update
- siemens nucleus_readystart_v32017.02.4 or later
- siemens nucleus_readystart_v44.1.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| siemens capital_vstar | No range specified | — |
| siemens nucleus_net | No range specified | — |
| siemens nucleus_readystart_v3 | v < 2017.02.4 | 2017.02.4 |
| siemens nucleus_readystart_v4 | v < 4.1.1 | 4.1.1 |
| siemens nucleus_source_code | No range specified | — |
| siemens apogee_modular_building_controller_firmware | No range specified | — |
| siemens apogee_modular_equiment_controller_firmware | No range specified | — |
| siemens apogee_pxc_compact_firmware | No range specified | — |
| siemens apogee_pxc_modular_firmware | No range specified | — |
| siemens talon_tc_compact_firmware | No range specified | — |
| siemens talon_tc_modular_firmware | No range specified | — |
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