CVE-2022-43767
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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.72%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.72% probability · 52th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-833
- Affected
- siemens/simatic cp 1242-7 v2 firmware · siemens/simatic cp 1243-1 firmware · siemens/simatic cp 1243-1 dnp3 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 firmware · siemens/simatic cp 443-1 advanced firmware · 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 firmware · siemens/siplus net cp 443-1 advanced firmware · +4 more
- Source
- productcert@siemens.com
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.pdfVendor Advisory
- 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.pdfVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.