CVE-2023-44322

Severity: medium (CVSS 5.9 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-11-14 · updated 2026-06-17
Weakness: CWE-252

Description

A vulnerability has been identified in RUGGEDCOM RM1224 LTE(4G) EU (6GK6108-4AM00-2BA2) (All versions < V8.0), RUGGEDCOM RM1224 LTE(4G) NAM (6GK6108-4AM00-2DA2) (All versions < V8.0), SCALANCE M804PB (6GK5804-0AP00-2AA2) (All versions < V8.0), SCALANCE M812-1 ADSL-Router (6GK5812-1AA00-2AA2) (All versions < V8.0), SCALANCE M812-1 ADSL-Router (6GK5812-1BA00-2AA2) (All versions < V8.0), SCALANCE M816-1 ADSL-Router (6GK5816-1AA00-2AA2) (All versions < V8.0), SCALANCE M816-1 ADSL-Router (6GK5816-1BA00-2AA2) (All versions < V8.0), SCALANCE M826-2 SHDSL-Router (6GK5826-2AB00-2AB2) (All versions < V8.0), SCALANCE M874-2 (6GK5874-2AA00-2AA2) (All versions < V8.0), SCALANCE M874-3 (6GK5874-3AA00-2AA2) (All versions < V8.0), SCALANCE M876-3 (6GK5876-3AA02-2BA2) (All versions < V8.0), SCALANCE M876-3 (ROK) (6GK5876-3AA02-2EA2) (All versions < V8.0), SCALANCE M876-4 (6GK5876-4AA10-2BA2) (All versions < V8.0), SCALANCE M876-4 (EU) (6GK5876-4AA00-2BA2) (All versions < V8.0), SCALANCE M876-4 (NAM) (6GK5876-4AA00-2DA2) (All versions < V8.0), SCALANCE MUM853-1 (EU) (6GK5853-2EA00-2DA1) (All versions < V8.0), SCALANCE MUM856-1 (EU) (6GK5856-2EA00-3DA1) (All versions < V8.0), SCALANCE MUM856-1 (RoW) (6GK5856-2EA00-3AA1) (All versions < V8.0), SCALANCE S615 EEC LAN-Router (6GK5615-0AA01-2AA2) (All versions < V8.0), SCALANCE S615 LAN-Router (6GK5615-0AA00-2AA2) (All versions < V8.0), SCALANCE WAB762-1 (6GK5762-1AJ00-6AA0) (All versions < V3.0.0), SCALANCE WAM763-1 (6GK5763-1AL00-7DA0) (All versions < V3.0.0), SCALANCE WAM763-1 (ME) (6GK5763-1AL00-7DC0) (All versions < V3.0.0), SCALANCE WAM763-1 (US) (6GK5763-1AL00-7DB0) (All versions < V3.0.0), SCALANCE WAM766-1 (6GK5766-1GE00-7DA0) (All versions < V3.0.0), SCALANCE WAM766-1 (ME) (6GK5766-1GE00-7DC0) (All versions < V3.0.0), SCALANCE WAM766-1 (US) (6GK5766-1GE00-7DB0) (All versions < V3.0.0), SCALANCE WAM766-1 EEC (6GK5766-1GE00-7TA0) (All versions < V3.0.0), SCALANCE WAM766-1 EEC (ME) (6GK5766-1GE00-7TC0) (All versions < V3.0.0), SCALANCE WAM766-1 EEC (US) (6GK5766-1GE00-7TB0) (All versions < V3.0.0), SCALANCE WUB762-1 (6GK5762-1AJ00-1AA0) (All versions < V3.0.0), SCALANCE WUB762-1 iFeatures (6GK5762-1AJ00-2AA0) (All versions < V3.0.0), SCALANCE WUM763-1 (6GK5763-1AL00-3AA0) (All versions < V3.0.0), SCALANCE WUM763-1 (6GK5763-1AL00-3DA0) (All versions < V3.0.0), SCALANCE WUM763-1 (US) (6GK5763-1AL00-3AB0) (All versions < V3.0.0), SCALANCE WUM763-1 (US) (6GK5763-1AL00-3DB0) (All versions < V3.0.0), SCALANCE WUM766-1 (6GK5766-1GE00-3DA0) (All versions < V3.0.0), SCALANCE WUM766-1 (ME) (6GK5766-1GE00-3DC0) (All versions < V3.0.0), SCALANCE WUM766-1 (USA) (6GK5766-1GE00-3DB0) (All versions < V3.0.0). Affected devices can be configured to send emails when certain events occur on the device. When presented with an invalid response from the SMTP server, the device triggers an error that disrupts email sending. An attacker with access to the network can use this to do disable notification of users when certain events occur.

Affected products

Siemens 6Ag1206-2Bb00-7Ac2 Firmware: before 4.5 — fixed in 4.5
Siemens 6Ag1206-2Bs00-7Ac2 Firmware: before 4.5 — fixed in 4.5
Siemens 6Ag1208-0Ba00-7Ac2 Firmware: before 4.5 — fixed in 4.5
Siemens 6Ag1216-4Bs00-7Ac2 Firmware: before 4.5 — fixed in 4.5
Siemens 6Gk5204-0Ba00-2Gf2 Firmware: before 4.5 — fixed in 4.5
Siemens 6Gk5204-0Ba00-2Yf2 Firmware: before 4.5 — fixed in 4.5
Siemens 6Gk5204-2Aa00-2Gf2 Firmware: before 4.5 — fixed in 4.5
Siemens 6Gk5204-2Aa00-2Yf2 Firmware: before 4.5 — fixed in 4.5
Siemens 6Gk5205-3Bb00-2Ab2 Firmware: before 4.5 — fixed in 4.5
Siemens 6Gk5205-3Bb00-2Tb2 Firmware: before 4.5 — fixed in 4.5
Siemens 6Gk5205-3Bd00-2Ab2 Firmware: before 4.5 — fixed in 4.5
Siemens 6Gk5205-3Bd00-2Tb2 Firmware: before 4.5 — fixed in 4.5
Siemens 6Gk5205-3Bf00-2Ab2 Firmware: before 4.5 — fixed in 4.5
Siemens 6Gk5205-3Bf00-2Tb2 Firmware: through 4.5
Siemens 6Gk5206-2Bb00-2Ac2 Firmware: before 4.5 — fixed in 4.5
Siemens 6Gk5206-2Bd00-2Ac2 Firmware: before 4.5 — fixed in 4.5
Siemens 6Gk5206-2Bs00-2Ac2 Firmware: before 4.5 — fixed in 4.5
Siemens 6Gk5206-2Bs00-2Fc2 Firmware: before 4.5 — fixed in 4.5
Siemens 6Gk5206-2Gs00-2Ac2 Firmware: before 4.5 — fixed in 4.5
Siemens 6Gk5206-2Gs00-2Fc2 Firmware: before 4.5 — fixed in 4.5
Siemens 6Gk5206-2Gs00-2Tc2 Firmware: before 4.5 — fixed in 4.5
Siemens 6Gk5206-2Rs00-2Ac2 Firmware: before 4.5 — fixed in 4.5
Siemens 6Gk5206-2Rs00-5Ac2 Firmware: before 4.5 — fixed in 4.5
Siemens 6Gk5206-2Rs00-5Fc2 Firmware: before 4.5 — fixed in 4.5
Siemens 6Gk5208-0Ba00-2Ab2 Firmware: before 4.5 — fixed in 4.5
Siemens 6Gk5208-0Ba00-2Ac2 Firmware: before 4.5 — fixed in 4.5
Siemens 6Gk5208-0Ba00-2Fc2 Firmware: before 4.5 — fixed in 4.5
Siemens 6Gk5208-0Ba00-2Tb2 Firmware: before 4.5 — fixed in 4.5
Siemens 6Gk5208-0Ga00-2Ac2 Firmware: before 4.5 — fixed in 4.5
Siemens 6Gk5208-0Ga00-2Fc2 Firmware: before 4.5 — fixed in 4.5

How to fix

Upgrade to a fixed version: Siemens 6Ag1206-2Bb00-7Ac2 Firmware 4.5; Siemens 6Ag1206-2Bs00-7Ac2 Firmware 4.5; Siemens 6Ag1208-0Ba00-7Ac2 Firmware 4.5; Siemens 6Ag1216-4Bs00-7Ac2 Firmware 4.5; Siemens 6Gk5204-0Ba00-2Gf2 Firmware 4.5; Siemens 6Gk5204-0Ba00-2Yf2 Firmware 4.5; Siemens 6Gk5204-2Aa00-2Gf2 Firmware 4.5; Siemens 6Gk5204-2Aa00-2Yf2 Firmware 4.5; Siemens 6Gk5205-3Bb00-2Ab2 Firmware 4.5; Siemens 6Gk5205-3Bb00-2Tb2 Firmware 4.5; Siemens 6Gk5205-3Bd00-2Ab2 Firmware 4.5; Siemens 6Gk5205-3Bd00-2Tb2 Firmware 4.5. Check the vendor advisory for mitigations.

References

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