No exploitation reportedFix available

CVE-2022-34821

No exploitation reported by the sources we read.

Published2022-07-12
WeaknessCWE-94

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC

2022-07-1210:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2022-34821?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2022-34821?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Siemens simatic cp 1242-7 v2 firmwareversion to verify

Branch	Affected	Fixed in	Source
—	all versions	no fix published	NVD

Siemens simatic cp 1243-1 firmwareversion to verify

Branch	Affected	Fixed in	Source
—	all versions	no fix published	NVD

Siemens simatic cp 1243-7 lte eu firmwareversion to verify

Branch	Affected	Fixed in	Source
—	all versions	no fix published	NVD

12 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

ICSA-22-349-04 CISA45 known affected
Siemens SCALANCE Products
RUGGEDCOM RM1224 LTE(4G) EU (6GK6108-4AM00-2BA2) · RUGGEDCOM RM1224 LTE(4G) NAM (6GK6108-4AM00-2DA2) · SCALANCE M804PB (6GK5804-0AP00-2AA2) · +42 more
ICSA-22-195-12 CISA15 known affected
Siemens SRCS VPN Feature in SIMATIC CP Devices
SIMATIC CP 1242-7 V2 (6GK7242-7KX31-0XE0) · SIMATIC CP 1243-1 (6GK7243-1BX30-0XE0) · SIMATIC CP 1243-7 LTE EU (6GK7243-7KX30-0XE0) · +12 more

Full record on NVD

Fix

Vendor fix CISA ICSA-22-349-04 · 6 productsUpdate to V2.3 or later version
Vendor fix CISA ICSA-22-349-04 · 6 productsUpdate to V3.0 or later version
Vendor fix CISA ICSA-22-349-04 · 19 productsUpdate to V3.0.0 or later version
Vendor fix CISA ICSA-22-349-04 · 20 productsUpdate to V7.2 or later version
Vendor fix CISA ICSA-22-195-12 · 5 productsUpdate to V2.2.28 or later version
Vendor fix CISA ICSA-22-195-12 · 8 productsUpdate to V3.3.46 or later version

Advisories and patches

cert-portal.siemens.comPatch · Vendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CISA-ADPSSVC decisionnone2025-04-18
OpenCVESSVC decisionnone—
CNACVSS 4.08.8read 2026-10-23
CNACVSS 3.17.6read 2026-10-23
NVDCVSS 3.19.8read 2026-10-23
NVDCVSS 2.09.3read 2026-10-23
CNAweakness (CWE)CWE-94read 2026-10-23
NVDweakness (CWE)CWE-94read 2026-10-23
FIRST EPSSEPSS score2.4 %2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 4.0 vector: CVSS:4.0/AV:A/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published: 2022-07-12
Last Modified: 2026-09-03
NVD status: Modified

Frequently asked questions

What is CVE-2022-34821?

Is CVE-2022-34821 actively exploited?

Active exploitation of CVE-2022-34821 has not been confirmed. Its EPSS score was 2.4% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-34821?

CVE-2022-34821 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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