Dashboard / CVE-2022-43768

CVE-2022-43768

HIGH
MEDIUM Priority: 0.07 BB Relevance: 75/100
Published: 2023-04-11 Modified: 2026-10-23 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: Unchanged
C: None
I: None
A: High

Description

A vulnerability has been identified in SIMATIC CP 1242-7 V2 (6GK7242-7KX31-0XE0) (All versions < V3.4.29), SIMATIC CP 1243-1 (6GK7243-1BX30-0XE0) (All versions < V3.4.29), SIMATIC CP 1243-1 DNP3 (incl. SIPLUS variants) (All versions < V3.4.29), SIMATIC CP 1243-1 IEC (incl. SIPLUS variants) (All versions < V3.4.29), SIMATIC CP 1243-7 LTE EU (6GK7243-7KX30-0XE0) (All versions < V3.4.29), SIMATIC CP 1243-7 LTE US (6GK7243-7SX30-0XE0) (All versions < V3.4.29), SIMATIC CP 1243-8 IRC (6GK7243-8RX30-0XE0) (All versions < V3.4.29), SIMATIC CP 1542SP-1 (6GK7542-6UX00-0XE0) (All versions < V2.3), SIMATIC CP 1542SP-1 IRC (6GK7542-6VX00-0XE0) (All versions < V2.3), SIMATIC CP 1543SP-1 (6GK7543-6WX00-0XE0) (All versions < V2.3), SIMATIC CP 443-1 (6GK7443-1EX30-0XE0) (All versions < V3.3), SIMATIC CP 443-1 (6GK7443-1EX30-0XE1) (All versions < V3.3), SIMATIC CP 443-1 Advanced (6GK7443-1GX30-0XE0) (All versions < V3.3), SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (6AG2542-6VX00-4XE0) (All versions < V2.3), SIPLUS ET 200SP CP 1543SP-1 ISEC (6AG1543-6WX00-7XE0) (All versions < V2.3), SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (6AG2543-6WX00-4XE0) (All versions < V2.3), SIPLUS NET CP 1242-7 V2 (6AG1242-7KX31-7XE0) (All versions < V3.4.29), SIPLUS NET CP 443-1 (6AG1443-1EX30-4XE0) (All versions < V3.3), SIPLUS NET CP 443-1 Advanced (6AG1443-1GX30-4XE0) (All versions < V3.3), SIPLUS S7-1200 CP 1243-1 (6AG1243-1BX30-2AX0) (All versions < V3.4.29), SIPLUS S7-1200 CP 1243-1 RAIL (6AG2243-1BX30-1XE0) (All versions < V3.4.29), SIPLUS TIM 1531 IRC (6AG1543-1MX00-7XE0) (All versions < V2.3.6), TIM 1531 IRC (6GK7543-1MX00-0XE0) (All versions < V2.3.6). The webserver of the affected products contains a vulnerability that may lead to a denial of service condition. An attacker may cause a denial of service situation of the webserver of the affected product.

Weakness Classification (1)

Affected Software (24)

VendorProductVersion
siemens simatic_cp_1242-7_v2_firmware *
siemens simatic_cp_1243-1_dnp3_firmware *
siemens simatic_cp_1243-1_firmware *
siemens simatic_cp_1243-1_iec_firmware *
siemens simatic_cp_1243-7_lte_eu_firmware *
siemens simatic_cp_1243-7_lte_us_firmware *
siemens simatic_cp_1243-8_irc_firmware *
siemens simatic_cp_1542sp-1_firmware *
siemens simatic_cp_1542sp-1_irc_firmware *
siemens simatic_cp_1543sp-1_firmware *
siemens simatic_cp_443-1_advanced_firmware < 3.3
siemens simatic_cp_443-1_firmware < 3.3
siemens simatic_ipc_diagbase_firmware *
siemens simatic_ipc_diagmonitor_firmware *
siemens siplus_et_200sp_cp_1542sp-1_irc_tx_rail_firmware *
siemens siplus_et_200sp_cp_1543sp-1_isec_firmware *
siemens siplus_et_200sp_cp_1543sp-1_isec_tx_rail_firmware *
siemens siplus_net_cp_1242-7_v2_firmware *
siemens siplus_net_cp_443-1_advanced_firmware < 3.3
siemens siplus_net_cp_443-1_firmware < 3.3
siemens siplus_s7-1200_cp_1243-1_firmware *
siemens siplus_s7-1200_cp_1243-1_rail_firmware *
siemens siplus_tim_1531_irc_firmware < 2.3.6
siemens tim_1531_irc_firmware < 2.3.6

References & Advisories (3)

Bug Bounty Relevance

75 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

7.5 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS — Exploitation Probability

0.95%
Raw Score 0.009540
Percentile 61.3%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00954
2026-10-28
0.00954

Intelligence Sources

nvd ref →

External Links