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CVE-2022-34821

HIGH
7.6
CVSS Score
Published: July 12, 2022 at 12:00 AM UTC
Updated: September 3, 2026 at 01:15 AM UTC
61 products affected across 1 vendorSiplus Et 200SP Cp 1543SP 1 Isec Tx Rail FirmwareSiplus Et 200SP Cp 1543SP 1 Isec FirmwareSiplus Et 200SP Cp 1542SP 1 Irc Tx Rail Firmware

Using RUGGEDCOM RM1224 LTE(4G) EU by Siemens?

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Severity
HIGH7.6
Exploit prediction
EPSS 2%
SSVC
No known exploit

Description

A vulnerability has been identified in RUGGEDCOM RM1224 LTE(4G) EU (6GK6108-4AM00-2BA2), RUGGEDCOM RM1224 LTE(4G) NAM (6GK6108-4AM00-2DA2), SCALANCE M804PB (6GK5804-0AP00-2AA2), SCALANCE M812-1 ADSL-Router (6GK5812-1AA00-2AA2), SCALANCE M812-1 ADSL-Router (6GK5812-1BA00-2AA2), SCALANCE M816-1 ADSL-Router (6GK5816-1AA00-2AA2), SCALANCE M816-1 ADSL-Router (6GK5816-1BA00-2AA2), SCALANCE M826-2 SHDSL-Router (6GK5826-2AB00-2AB2), SCALANCE M874-2 (6GK5874-2AA00-2AA2), SCALANCE M874-3 (6GK5874-3AA00-2AA2), SCALANCE M876-3 (6GK5876-3AA02-2BA2), SCALANCE M876-3 (ROK) (6GK5876-3AA02-2EA2), SCALANCE M876-4 (6GK5876-4AA10-2BA2), SCALANCE M876-4 (EU) (6GK5876-4AA00-2BA2), SCALANCE M876-4 (NAM) (6GK5876-4AA00-2DA2), SCALANCE MUM853-1 (EU) (6GK5853-2EA00-2DA1), SCALANCE MUM856-1 (EU) (6GK5856-2EA00-3DA1), SCALANCE MUM856-1 (RoW) (6GK5856-2EA00-3AA1), SCALANCE S615 EEC LAN-Router (6GK5615-0AA01-2AA2), SCALANCE S615 LAN-Router (6GK5615-0AA00-2AA2), SCALANCE SC622-2C (6GK5622-2GS00-2AC2), SCALANCE SC622-2C (6GK5622-2GS00-2AC2), SCALANCE SC626-2C (6GK5626-2GS00-2AC2), SCALANCE SC626-2C (6GK5626-2GS00-2AC2), SCALANCE SC632-2C (6GK5632-2GS00-2AC2), SCALANCE SC632-2C (6GK5632-2GS00-2AC2), SCALANCE SC636-2C (6GK5636-2GS00-2AC2), SCALANCE SC636-2C (6GK5636-2GS00-2AC2), SCALANCE SC642-2C (6GK5642-2GS00-2AC2), SCALANCE SC642-2C (6GK5642-2GS00-2AC2), SCALANCE SC646-2C (6GK5646-2GS00-2AC2), SCALANCE SC646-2C (6GK5646-2GS00-2AC2), SCALANCE WAB762-1 (6GK5762-1AJ00-6AA0), SCALANCE WAM763-1 (6GK5763-1AL00-7DA0), SCALANCE WAM763-1 (ME) (6GK5763-1AL00-7DC0), SCALANCE WAM763-1 (US) (6GK5763-1AL00-7DB0), SCALANCE WAM766-1 (6GK5766-1GE00-7DA0), SCALANCE WAM766-1 (ME) (6GK5766-1GE00-7DC0), SCALANCE WAM766-1 (US) (6GK5766-1GE00-7DB0), SCALANCE WAM766-1 EEC (6GK5766-1GE00-7TA0), SCALANCE WAM766-1 EEC (ME) (6GK5766-1GE00-7TC0), SCALANCE WAM766-1 EEC (US) (6GK5766-1GE00-7TB0), SCALANCE WUB762-1 (6GK5762-1AJ00-1AA0), SCALANCE WUB762-1 iFeatures (6GK5762-1AJ00-2AA0), SCALANCE WUM763-1 (6GK5763-1AL00-3AA0), SCALANCE WUM763-1 (6GK5763-1AL00-3DA0), SCALANCE WUM763-1 (US) (6GK5763-1AL00-3AB0), SCALANCE WUM763-1 (US) (6GK5763-1AL00-3DB0), SCALANCE WUM766-1 (6GK5766-1GE00-3DA0), SCALANCE WUM766-1 (ME) (6GK5766-1GE00-3DC0), SCALANCE WUM766-1 (USA) (6GK5766-1GE00-3DB0), SIMATIC CP 1242-7 V2 (6GK7242-7KX31-0XE0), SIMATIC CP 1243-1 (6GK7243-1BX30-0XE0), SIMATIC CP 1243-7 LTE EU (6GK7243-7KX30-0XE0), SIMATIC CP 1243-7 LTE US (6GK7243-7SX30-0XE0), SIMATIC CP 1243-8 IRC (6GK7243-8RX30-0XE0), SIMATIC CP 1542SP-1 IRC (6GK7542-6VX00-0XE0), SIMATIC CP 1543-1 (6GK7543-1AX00-0XE0), SIMATIC CP 1543SP-1 (6GK7543-6WX00-0XE0), SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (6AG2542-6VX00-4XE0), SIPLUS ET 200SP CP 1543SP-1 ISEC (6AG1543-6WX00-7XE0), SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (6AG2543-6WX00-4XE0), SIPLUS NET CP 1242-7 V2 (6AG1242-7KX31-7XE0), SIPLUS NET CP 1543-1 (6AG1543-1AX00-2XE0), SIPLUS S7-1200 CP 1243-1 (6AG1243-1BX30-2AX0), SIPLUS S7-1200 CP 1243-1 RAIL (6AG2243-1BX30-1XE0). By injecting code to specific configuration options for OpenVPN, an attacker could execute arbitrary code with elevated privileges.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

SIMATIC Cp 1243-1 Firmware· Siemens
95%
All versions
siemens-simatic-cp-1243-1 (same device)
SIMATIC Cp 1542SP 1 Irc Firmware· Siemens
95%
v ≥ 2.0
siemens-simatic-cp-1542sp-1-irc (same device)
SIMATIC Cp 1543-1 Firmware· Siemens
95%
v < 3.0.22
Affected range stops below 3.0.22, so it looks safe — our inference, not a vendor statement
siemens-simatic-cp-1543-1 (same device)
SIMATIC Cp 1543SP 1 Firmware· Siemens
95%
v ≥ 2.0
siemens-simatic-cp-1543sp-1 (same device)
Siplus Et 200SP Cp 1542SP 1 Irc Tx Rail Firmware· Siemens
95%
v ≥ 2.0V2.0 ≤ v < V2.2.282.0
Affected range stops below V2.2.28, so it looks safe — our inference, not a vendor statement
Siplus Et 200SP Cp 1543SP 1 Isec Firmware· Siemens
95%
v ≥ 2.0V2.0 ≤ v < V2.2.282.0
Affected range stops below V2.2.28, so it looks safe — our inference, not a vendor statement
Siplus Et 200SP Cp 1543SP 1 Isec Tx Rail Firmware· Siemens
95%
v ≥ 2.0V2.0 ≤ v < V2.2.282.0
Affected range stops below V2.2.28, so it looks safe — our inference, not a vendor statement
Siplus .NET Cp 1543-1 Firmware· Siemens
95%
v < 3.0.22All versions < V3.0.22
Affected range stops below 3.0.22, so it looks safe — our inference, not a vendor statement
siemens-siplus-net-cp-1543-1 (same device)
RUGGEDCOM RM1224 LTE(4G) EU· Siemens
60%
v < V7.2
Affected range stops below V7.2, so it looks safe — our inference, not a vendor statement
RUGGEDCOM RM1224 LTE(4G) NAM· Siemens
60%
v < V7.2
Affected range stops below V7.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (4)

Source: [email protected]
https://cert-portal.siemens.com/productcert/html/ssa-413565.html
Source: [email protected]
https://cert-portal.siemens.com/productcert/html/ssa-517377.html
Source: [email protected]
https://cert-portal.siemens.com/productcert/pdf/ssa-413565.pdf
PatchVendor Advisory
Source: [email protected]
https://cert-portal.siemens.com/productcert/pdf/ssa-517377.pdf

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.6HIGHsiemens
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-94

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