High 7.5Published Apr 11, 2023

CVE-2022-43767A 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 (inc…

Updated under an hour ago (Oct 26, 2026, 4:10 PM ET)

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It affects siemens simatic_cp_1242-7_v2_firmware and 23 other products. Add what you run to find out whether that includes you.

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Every CVE for siemens simatic_cp_1242-7_v2_firmware

Exploited in the last 30 days

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.

CVSS: 7.5 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-833
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Oct 23, 2026
First seen by InfoSec Signals: Oct 23, 2026

Affected products

Affected products

siemens simatic_cp_1242-7_v2_firmware siemens:simatic_cp_1242-7_v2_firmware	all versions	NVD
siemens simatic_cp_1243-1_firmware siemens:simatic_cp_1243-1_firmware	all versions	NVD
siemens simatic_cp_1243-1_dnp3_firmware siemens:simatic_cp_1243-1_dnp3_firmware	all versions	NVD
siemens simatic_cp_1243-1_iec_firmware siemens:simatic_cp_1243-1_iec_firmware	all versions	NVD
siemens simatic_cp_1243-7_lte_eu_firmware siemens:simatic_cp_1243-7_lte_eu_firmware	all versions	NVD
siemens simatic_cp_1243-7_lte_us_firmware siemens:simatic_cp_1243-7_lte_us_firmware	all versions	NVD
siemens simatic_cp_1243-8_irc_firmware siemens:simatic_cp_1243-8_irc_firmware	all versions	NVD
siemens simatic_cp_1542sp-1_firmware siemens:simatic_cp_1542sp-1_firmware	all versions	NVD
siemens simatic_cp_1542sp-1_irc_firmware siemens:simatic_cp_1542sp-1_irc_firmware	all versions	NVD
siemens simatic_cp_1543sp-1_firmware siemens:simatic_cp_1543sp-1_firmware	all versions	NVD
1–10 of 24

References

References

https://cert-portal.siemens.com/productcert/html/ssa-139628.html
https://cert-portal.siemens.com/productcert/html/ssa-566905.html
https://cert-portal.siemens.com/productcert/pdf/ssa-566905.pdf	vendor-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.