5
CVSSv2

CVE-2021-31340

Published: 08/06/2021 Updated: 06/10/2022
CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10
CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9
VMScore: 445
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Vulnerability Summary

A vulnerability has been identified in SIMATIC RF166C (All versions > V1.1 and < V1.3.2), SIMATIC RF185C (All versions > V1.1 and < V1.3.2), SIMATIC RF186C (All versions > V1.1 and < V1.3.2), SIMATIC RF186CI (All versions > V1.1 and < V1.3.2), SIMATIC RF188C (All versions > V1.1 and < V1.3.2), SIMATIC RF188CI (All versions > V1.1 and < V1.3.2), SIMATIC RF360R (All versions < V2.0), SIMATIC Reader RF610R CMIIT (All versions > V3.0 < V4.0), SIMATIC Reader RF610R ETSI (All versions > V3.0 < V4.0), SIMATIC Reader RF610R FCC (All versions > V3.0 < V4.0), SIMATIC Reader RF615R CMIIT (All versions > V3.0 < V4.0), SIMATIC Reader RF615R ETSI (All versions > V3.0 < V4.0), SIMATIC Reader RF615R FCC (All versions > V3.0 < V4.0), SIMATIC Reader RF650R ARIB (All versions > V3.0 < V4.0), SIMATIC Reader RF650R CMIIT (All versions > V3.0 < V4.0), SIMATIC Reader RF650R ETSI (All versions > V3.0 < V4.0), SIMATIC Reader RF650R FCC (All versions > V3.0 < V4.0), SIMATIC Reader RF680R ARIB (All versions > V3.0 < V4.0), SIMATIC Reader RF680R CMIIT (All versions > V3.0 < V4.0), SIMATIC Reader RF680R ETSI (All versions > V3.0 < V4.0), SIMATIC Reader RF680R FCC (All versions > V3.0 < V4.0), SIMATIC Reader RF685R ARIB (All versions > V3.0 < V4.0), SIMATIC Reader RF685R CMIIT (All versions > V3.0 < V4.0), SIMATIC Reader RF685R ETSI (All versions > V3.0 < V4.0), SIMATIC Reader RF685R FCC (All versions > V3.0 < V4.0). Affected devices do not properly handle large numbers of incoming connections. An attacker may leverage this to cause a Denial-of-Service situation.

Vulnerability Trend

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siemens simatic_rf166c_firmware

siemens simatic_rf185c_firmware

siemens simatic_rf186c_firmware

siemens simatic_rf186ci_firmware

siemens simatic_rf188c_firmware

siemens simatic_rf188ci_firmware

siemens simatic_rf360r_firmware

siemens simatic_reader_rf610r_cmiit_firmware

siemens simatic_reader_rf610r_etsi_firmware

siemens simatic_reader_rf610r_fcc_firmware

siemens simatic_reader_rf615r_cmiit_firmware

siemens simatic_reader_rf615r_etsi_firmware

siemens simatic_reader_rf615r_fcc_firmware

siemens simatic_reader_rf650r_cmiit_firmware

siemens simatic_reader_rf650r_etsi_firmware

siemens simatic_reader_rf650r_fcc_firmware

siemens simatic_reader_rf650r_arib_firmware

siemens simatic_reader_rf680r_cmiit_firmware

siemens simatic_reader_rf680r_etsi_firmware

siemens simatic_reader_rf680r_fcc_firmware

siemens simatic_reader_rf680r_arib_firmware

siemens simatic_reader_rf685r_cmiit_firmware

siemens simatic_reader_rf685r_etsi_firmware

siemens simatic_reader_rf685r_fcc_firmware

siemens simatic_reader_rf685r_arib_firmware