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CVE-2022-31766

HIGHCVSS 8.6/10EPSS 1.04%

Last modified

CVE-2022-31766 is a high-severity vulnerability rated 8.6/10 on the CVSS scale. A vulnerability has been identified in RUGGEDCOM RM1224 LTE(4G) EU (6GK6108-4AM00-2BA2) (All versions < V7.1.2), RUGGEDCOM RM1224 LTE(4G) NAM (6GK6108-4AM00-2DA2) (All versions < V7.1.2), SCALANCE M804PB (6GK5804-0AP00-2AA2) (All versions < V7.1.2), SCALANCE M812-1 ADSL-Router (6GK5812-1AA00-2AA2) (All versions < V7.1.2), SCALANCE M812-1 ADSL-Router (6GK5812-1BA00-2AA2) (All versions < V7.1.2), SCALANCE M816-1 ADSL-Router (6GK5816-1AA00-2AA2) (All versions < V7.1.2), SCALANCE M816-1 ADSL-Router (6GK5816-1BA00-2AA2) (All versions < V7.1.2), SCALANCE M826-2 SHDSL-Router (6GK5826-2AB00-2AB2) (All versions < V7.1.2), SCALANCE M874-2 (6GK5874-2AA00-2AA2) (All versions < V7.1.2), SCALANCE M874-3 (6GK5874-3AA00-2AA2) (All versions < V7.1.2), SCALANCE M876-3 (6GK5876-3AA02-2BA2) (All versions < V7.1.2), SCALANCE M876-3 (ROK) (6GK5876-3AA02-2EA2) (All versions < V7.1.2), SCALANCE M876-4 (6GK5876-4AA10-2BA2) (All versions < V7.1.2), SCALANCE M876-4 (EU) (6GK5876-4AA00-2BA2) (All versions < V7.1.2), SCALANCE M876-4 (NAM) (6GK5876-4AA00-2DA2) (All versions < V7.1.2), SCALANCE MUM853-1 (EU) (6GK5853-2EA00-2DA1) (All versions < V7.1.2), SCALANCE MUM856-1 (EU) (6GK5856-2EA00-3DA1) (All versions < V7.1.2), SCALANCE MUM856-1 (RoW) (6GK5856-2EA00-3AA1) (All versions < V7.1.2), SCALANCE S615 EEC LAN-Router (6GK5615-0AA01-2AA2) (All versions < V7.1.2), SCALANCE S615 LAN-Router (6GK5615-0AA00-2AA2) (All versions < V7.1.2), SCALANCE WAM763-1 (6GK5763-1AL00-7DA0) (All versions >= V1.1.0 < V3.0.0), SCALANCE WAM766-1 (6GK5766-1GE00-7DA0) (All versions >= V1.1.0 < V3.0.0), SCALANCE WAM766-1 (US) (6GK5766-1GE00-7DB0) (All versions >= V1.1.0 < V3.0.0), SCALANCE WAM766-1 EEC (6GK5766-1GE00-7TA0) (All versions >= V1.1.0 < V3.0.0), SCALANCE WAM766-1 EEC (US) (6GK5766-1GE00-7TB0) (All versions >= V1.1.0 < V3.0.0), SCALANCE WUM763-1 (6GK5763-1AL00-3AA0) (All versions >= V1.1.0 < V3.0.0), SCALANCE WUM763-1 (6GK5763-1AL00-3DA0) (All versions >= V1.1.0 < V3.0.0), SCALANCE WUM766-1 (6GK5766-1GE00-3DA0) (All versions >= V1.1.0 < V3.0.0), SCALANCE WUM766-1 (USA) (6GK5766-1GE00-3DB0) (All versions >= V1.1.0 < V3.0.0). Affected devices with TCP Event service enabled do not properly handle malformed packets. This could allow an unauthenticated remote attacker to cause a denial of service condition and reboot the device thus possibly affecting other network resources.. EPSS estimates a 1.04% chance of exploitation in the next 30 days.

Description

A vulnerability has been identified in RUGGEDCOM RM1224 LTE(4G) EU (6GK6108-4AM00-2BA2) (All versions < V7.1.2), RUGGEDCOM RM1224 LTE(4G) NAM (6GK6108-4AM00-2DA2) (All versions < V7.1.2), SCALANCE M804PB (6GK5804-0AP00-2AA2) (All versions < V7.1.2), SCALANCE M812-1 ADSL-Router (6GK5812-1AA00-2AA2) (All versions < V7.1.2), SCALANCE M812-1 ADSL-Router (6GK5812-1BA00-2AA2) (All versions < V7.1.2), SCALANCE M816-1 ADSL-Router (6GK5816-1AA00-2AA2) (All versions < V7.1.2), SCALANCE M816-1 ADSL-Router (6GK5816-1BA00-2AA2) (All versions < V7.1.2), SCALANCE M826-2 SHDSL-Router (6GK5826-2AB00-2AB2) (All versions < V7.1.2), SCALANCE M874-2 (6GK5874-2AA00-2AA2) (All versions < V7.1.2), SCALANCE M874-3 (6GK5874-3AA00-2AA2) (All versions < V7.1.2), SCALANCE M876-3 (6GK5876-3AA02-2BA2) (All versions < V7.1.2), SCALANCE M876-3 (ROK) (6GK5876-3AA02-2EA2) (All versions < V7.1.2), SCALANCE M876-4 (6GK5876-4AA10-2BA2) (All versions < V7.1.2), SCALANCE M876-4 (EU) (6GK5876-4AA00-2BA2) (All versions < V7.1.2), SCALANCE M876-4 (NAM) (6GK5876-4AA00-2DA2) (All versions < V7.1.2), SCALANCE MUM853-1 (EU) (6GK5853-2EA00-2DA1) (All versions < V7.1.2), SCALANCE MUM856-1 (EU) (6GK5856-2EA00-3DA1) (All versions < V7.1.2), SCALANCE MUM856-1 (RoW) (6GK5856-2EA00-3AA1) (All versions < V7.1.2), SCALANCE S615 EEC LAN-Router (6GK5615-0AA01-2AA2) (All versions < V7.1.2), SCALANCE S615 LAN-Router (6GK5615-0AA00-2AA2) (All versions < V7.1.2), SCALANCE WAM763-1 (6GK5763-1AL00-7DA0) (All versions >= V1.1.0 < V3.0.0), SCALANCE WAM766-1 (6GK5766-1GE00-7DA0) (All versions >= V1.1.0 < V3.0.0), SCALANCE WAM766-1 (US) (6GK5766-1GE00-7DB0) (All versions >= V1.1.0 < V3.0.0), SCALANCE WAM766-1 EEC (6GK5766-1GE00-7TA0) (All versions >= V1.1.0 < V3.0.0), SCALANCE WAM766-1 EEC (US) (6GK5766-1GE00-7TB0) (All versions >= V1.1.0 < V3.0.0), SCALANCE WUM763-1 (6GK5763-1AL00-3AA0) (All versions >= V1.1.0 < V3.0.0), SCALANCE WUM763-1 (6GK5763-1AL00-3DA0) (All versions >= V1.1.0 < V3.0.0), SCALANCE WUM766-1 (6GK5766-1GE00-3DA0) (All versions >= V1.1.0 < V3.0.0), SCALANCE WUM766-1 (USA) (6GK5766-1GE00-3DB0) (All versions >= V1.1.0 < V3.0.0). Affected devices with TCP Event service enabled do not properly handle malformed packets. This could allow an unauthenticated remote attacker to cause a denial of service condition and reboot the device thus possibly affecting other network resources.

Metrics

CVSS 3.1
8.6/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

EPSS Probability
1.04%

59.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
SiemensRuggedcom Rm1224 Firmware< 7.1.2
SiemensScalance M804pb Firmware< 7.1.2
SiemensScalance M812-1 Firmware< 7.1.2
SiemensScalance M816-1 Firmware< 7.1.2
SiemensScalance M826-2 Firmware< 7.1.2
SiemensScalance M874-2 Firmware< 7.1.2
SiemensScalance M874-3 Firmware< 7.1.2
SiemensScalance M876-3 Firmware< 7.1.2
SiemensScalance M876-4 Firmware< 7.1.2
SiemensScalance Mum853-1 Firmware< 7.1.2
SiemensScalance Mum856-1 Firmware< 7.1.2
SiemensScalance S615 Firmware< 7.1.2
SiemensScalance Wam763-1 Firmware>= 1.1.0
SiemensScalance Wam766-1 Firmware>= 1.1.0
SiemensScalance Wum763-1 Firmware>= 1.1.0
SiemensScalance Wum766-1 Firmware>= 1.1.0

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2022-31766?
A vulnerability has been identified in RUGGEDCOM RM1224 LTE(4G) EU (6GK6108-4AM00-2BA2) (All versions < V7.1.2), RUGGEDCOM RM1224 LTE(4G) NAM (6GK6108-4AM00-2DA2) (All versions < V7.1.2), SCALANCE M804PB (6GK5804-0AP00-2AA2) (All versions < V7.1.2), SCALANCE M812-1 ADSL-Router (6GK5812-1AA00-2AA2) (All versions < V7.1.2), SCALANCE M812-1 ADSL-Router (6GK5812-1BA00-2AA2) (All versions < V7.1.2), SCALANCE M816-1 ADSL-Router (6GK5816-1AA00-2AA2) (All versions < V7.1.2), SCALANCE M816-1 ADSL-Router (6GK5816-1BA00-2AA2) (All versions < V7.1.2), SCALANCE M826-2 SHDSL-Router (6GK5826-2AB00-2AB2) (All versions < V7.1.2), SCALANCE M874-2 (6GK5874-2AA00-2AA2) (All versions < V7.1.2), SCALANCE M874-3 (6GK5874-3AA00-2AA2) (All versions < V7.1.2), SCALANCE M876-3 (6GK5876-3AA02-2BA2) (All versions < V7.1.2), SCALANCE M876-3 (ROK) (6GK5876-3AA02-2EA2) (All versions < V7.1.2), SCALANCE M876-4 (6GK5876-4AA10-2BA2) (All versions < V7.1.2), SCALANCE M876-4 (EU) (6GK5876-4AA00-2BA2) (All versions < V7.1.2), SCALANCE M876-4 (NAM) (6GK5876-4AA00-2DA2) (All versions < V7.1.2), SCALANCE MUM853-1 (EU) (6GK5853-2EA00-2DA1) (All versions < V7.1.2), SCALANCE MUM856-1 (EU) (6GK5856-2EA00-3DA1) (All versions < V7.1.2), SCALANCE MUM856-1 (RoW) (6GK5856-2EA00-3AA1) (All versions < V7.1.2), SCALANCE S615 EEC LAN-Router (6GK5615-0AA01-2AA2) (All versions < V7.1.2), SCALANCE S615 LAN-Router (6GK5615-0AA00-2AA2) (All versions < V7.1.2), SCALANCE WAM763-1 (6GK5763-1AL00-7DA0) (All versions >= V1.1.0 < V3.0.0), SCALANCE WAM766-1 (6GK5766-1GE00-7DA0) (All versions >= V1.1.0 < V3.0.0), SCALANCE WAM766-1 (US) (6GK5766-1GE00-7DB0) (All versions >= V1.1.0 < V3.0.0), SCALANCE WAM766-1 EEC (6GK5766-1GE00-7TA0) (All versions >= V1.1.0 < V3.0.0), SCALANCE WAM766-1 EEC (US) (6GK5766-1GE00-7TB0) (All versions >= V1.1.0 < V3.0.0), SCALANCE WUM763-1 (6GK5763-1AL00-3AA0) (All versions >= V1.1.0 < V3.0.0), SCALANCE WUM763-1 (6GK5763-1AL00-3DA0) (All versions >= V1.1.0 < V3.0.0), SCALANCE WUM766-1 (6GK5766-1GE00-3DA0) (All versions >= V1.1.0 < V3.0.0), SCALANCE WUM766-1 (USA) (6GK5766-1GE00-3DB0) (All versions >= V1.1.0 < V3.0.0). Affected devices with TCP Event service enabled do not properly handle malformed packets. This could allow an unauthenticated remote attacker to cause a denial of service condition and reboot the device thus possibly affecting other network resources.
How severe is CVE-2022-31766?
CVE-2022-31766 has a CVSS score of 8.6/10 (HIGH severity). The EPSS model estimates a 1.04% probability of exploitation in the next 30 days.
How do I fix CVE-2022-31766?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST