High severity · published Apr 11, 2023
CVE-2022-43768
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…
7.5
CVSS
1%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 61% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SC
Simatic CP 1242-7 V2 Firmware · Siemens
All versions, or not specified · source: NVD
SC
Simatic CP 1243-1 Dnp3 Firmware · Siemens
All versions, or not specified · source: NVD
SC
Simatic CP 1243-1 Firmware · Siemens
All versions, or not specified · source: NVD
SC
Simatic CP 1243-1 Iec Firmware · Siemens
All versions, or not specified · source: NVD
SC
Simatic CP 1243-7 Lte EU Firmware · Siemens
All versions, or not specified · source: NVD
SC
Simatic CP 1243-7 Lte US Firmware · Siemens
All versions, or not specified · source: NVD
SC
Simatic CP 1243-8 Irc Firmware · Siemens
All versions, or not specified · source: NVD
SC
Simatic CP 1542sp-1 Firmware · Siemens
All versions, or not specified · source: NVD
SC
Simatic CP 1542sp-1 Irc Firmware · Siemens
All versions, or not specified · source: NVD
SC
Simatic CP 1543sp-1 Firmware · Siemens
All versions, or not specified · source: NVD
SC
Simatic CP 443-1 Advanced Firmware · Siemens
before 3.3 · source: NVD
SC
Simatic CP 443-1 Firmware · Siemens
before 3.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-43768
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-43768
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/html/ssa-139628.html
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/html/ssa-566905.html
Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-566905.pdf
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