CVE-2022-34819

A vulnerability has been identified in SIMATIC CP 1242-7 V2 (All versions < V3.3.46), SIMATIC CP 1243-1 (All versions < V3.3.46), SIMATIC CP 1243-7 LTE EU (All versions < V3.3.46), SIMATIC CP 1243-7 LTE US (All versions < V3.3.46), SIMATIC CP 1243-8 IRC (All versions < V3.3.46), SIMATIC CP 1542SP-1 IRC (All versions >= V2.0 < V2.2.28), SIMATIC CP 1543-1 (All versions < V3.0.22), SIMATIC CP 1543SP-1 (All versions >= V2.0 < V2.2.28), SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (All versions >= V2.0 < V2.2.28), SIPLUS ET 200SP CP 1543SP-1 ISEC (All versions >= V2.0 < V2.2.28), SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (All versions >= V2.0 < V2.2.28), SIPLUS NET CP 1242-7 V2 (All versions < V3.3.46), SIPLUS NET CP 1543-1 (All versions < V3.0.22), SIPLUS S7-1200 CP 1243-1 (All versions < V3.3.46), SIPLUS S7-1200 CP 1243-1 RAIL (All versions < V3.3.46). The application lacks proper validation of user-supplied data when parsing specific messages. This could result in a heap-based buffer overflow. An attacker could leverage this vulnerability to execute code in the context of device.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
10 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
siemensCNA
10 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C
CVEADP
---
---
CISA-ADPADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 71%
VendorProductVersion
siemenssimatic_cp_1242-7_v2_firmware
*
siemenssimatic_cp_1243-1_firmware
*
siemenssimatic_cp_1243-7_lte_eu_firmware
*
siemenssimatic_cp_1243-7_lte_us_firmware
*
siemenssimatic_cp_1243-8_irc_firmware
*
siemenssimatic_cp_1542sp-1_irc_firmware
2.0 ≤
siemenssimatic_cp_1543-1_firmware
𝑥
< 3.0.22
siemenssimatic_cp_1543sp-1_firmware
2.0 ≤
siemenssiplus_et_200sp_cp_1542sp-1_irc_tx_rail_firmware
2.0 ≤
siemenssiplus_et_200sp_cp_1543sp-1_isec_firmware
2.0 ≤
siemenssiplus_et_200sp_cp_1543sp-1_isec_tx_rail_firmware
2.0 ≤
siemenssiplus_net_cp_1242-7_v2_firmware
*
siemenssiplus_net_cp_1543-1_firmware
𝑥
< 3.0.22
siemenssiplus_s7-1200_cp_1243-1_firmware
*
siemenssiplus_s7-1200_cp_1243-1_rail_firmware
*
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://cert-portal.siemens.com/productcert/pdf/ssa-517377.pdf
https://cert-portal.siemens.com/productcert/pdf/ssa-517377.pdf