CVE-2023-46156

HIGHCVSS 7.5/10EPSS 1.24%

Last modified

CVE-2023-46156 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Affected devices improperly handle specially crafted packets sent to port 102/tcp. This could allow an attacker to create a denial of service condition. A restart is needed to restore normal operations.. EPSS estimates a 1.24% chance of exploitation in the next 30 days.

Description

Affected devices improperly handle specially crafted packets sent to port 102/tcp. This could allow an attacker to create a denial of service condition. A restart is needed to restore normal operations.

Metrics

CVSS 3.1
7.5/10

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

EPSS Probability
1.24%

65.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
SiemensSimatic Drive Controller Cpu 1504d Tf Firmware< 3.1.0
SiemensSimatic Drive Controller Cpu 1507d Tf Firmware< 3.1.0
SiemensSimatic Et 200sp Open Control 1515sp Pc2 FirmwareAll versions
SiemensSimatic S7-1500 Cpu 1510sp F-1 Pn Firmware< 3.1.0
SiemensSimatic S7-1500 Cpu 1510sp-1 Pn Firmware< 3.1.0
SiemensSimatic S7-1500 Cpu 1511-1 Pn Firmware< 3.1.0
SiemensSimatic S7-1500 Cpu 1511c-1 Pn Firmware< 3.1.0
SiemensSimatic S7-1500 Cpu 1511f-1 Pn Firmware< 3.1.0
SiemensSimatic S7-1500 Cpu 1511t-1 Pn Firmware< 3.1.0
SiemensSimatic S7-1500 Cpu 1511tf-1 Pn Firmware< 3.1.0
SiemensSimatic S7-1500 Cpu 1512c-1 Pn Firmware< 3.1.0
SiemensSimatic S7-1500 Cpu 1512sp F-1 Pn Firmware< 3.1.0
SiemensSimatic S7-1500 Cpu 1512sp-1 Pn Firmware< 3.1.0
SiemensSimatic S7-1500 Cpu 1513-1 Pn Firmware< 3.1.0
SiemensSimatic S7-1500 Cpu 1513f-1 Pn Firmware< 3.1.0
SiemensSimatic S7-1500 Cpu 1513r-1 Pn Firmware< 3.1.0
SiemensSimatic S7-1500 Cpu 1514sp F-2 Pn Firmware< 3.1.0
SiemensSimatic S7-1500 Cpu 1514sp-2 Pn Firmware< 3.1.0
SiemensSimatic S7-1500 Cpu 1514spt F-2 Pn Firmware< 3.1.0
SiemensSimatic S7-1500 Cpu 1514spt-2 Pn Firmware< 3.1.0
SiemensSimatic S7-1500 Cpu 1515-2 Pn Firmware< 3.1.0
SiemensSimatic S7-1500 Cpu 1515f-2 Pn Firmware< 3.1.0
SiemensSimatic S7-1500 Cpu 1515r-2 Pn Firmware< 3.1.0
SiemensSimatic S7-1500 Cpu 1515t-2 Pn Firmware< 3.1.0
SiemensSimatic S7-1500 Cpu 1515tf-2 Pn Firmware< 3.1.0
SiemensSimatic S7-1500 Cpu 1516-3 Pn\/Dp Firmware< 3.1.0
SiemensSimatic S7-1500 Cpu 1516f-3 Pn\/Dp Firmware< 3.1.0
SiemensSimatic S7-1500 Cpu 1516t-3 Pn\/Dp Firmware< 3.1.0
SiemensSimatic S7-1500 Cpu 1517-3 Pn\/Dp Firmware< 3.1.0
SiemensSimatic S7-1500 Cpu 1517f-3 Pn\/Dp Firmware< 3.1.0
SiemensSimatic S7-1500 Cpu 1517h-3 Pn Firmware< 3.1.0
SiemensSimatic S7-1500 Cpu 1517t-3 Pn\/Dp Firmware< 3.1.0
SiemensSimatic S7-1500 Cpu 1517tf-3 Pn\/Dp Firmware< 3.1.0
SiemensSimatic S7-1500 Cpu 1518-4 Pn\/Dp Firmware< 3.1.0
SiemensSimatic S7-1500 Cpu 1518f-4 Pn\/Dp Firmware< 3.1.0
SiemensSimatic S7-1500 Cpu 1518hf-4 Pn Firmware< 3.1.0
SiemensSimatic S7-1500 Cpu 1518t-4 Pn\/Dp Firmware< 3.1.0
SiemensSimatic S7-1500 Cpu 1518tf-4 Pn\/Dp Firmware< 3.1.0
SiemensSimatic S7-1500 Cpu S7-1518-4 Pn\/Dp Odk Firmware< 3.1.0
SiemensSimatic S7-1500 Cpu S7-1518f-4 Pn\/Dp Odk Firmware< 3.1.0
SiemensSimatic S7-1500 Et 200pro\_cpu_1513pro_f-2_pn_firmware
SiemensSimatic S7-1500 Et 200pro\_cpu_1513pro-2_pn_firmware
SiemensSimatic S7-1500 Et 200pro\_cpu_1516pro_f-2_pn_firmware
SiemensSimatic S7-1500 Et 200pro\cpu_1516pro-2_pn_firmware
SiemensSimatic S7-1500 Software Controller FirmwareAll versions
SiemensSimatic S7-Plcsim Advanced Firmware< 6.0
SiemensSiplus Et 200sp Cpu 1510sp F-1 Pn FirmwareAll versions
SiemensSiplus Et 200sp Cpu 1510sp F-1 Pn Rail FirmwareAll versions
SiemensSiplus Et 200sp Cpu 1510sp-1 Pn FirmwareAll versions
SiemensSiplus Et 200sp Cpu 1510sp-1 Pn Rail FirmwareAll versions

Showing 50 of 76 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2023-46156?
Affected devices improperly handle specially crafted packets sent to port 102/tcp. This could allow an attacker to create a denial of service condition. A restart is needed to restore normal operations.
How severe is CVE-2023-46156?
CVE-2023-46156 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.24% probability of exploitation in the next 30 days.
How do I fix CVE-2023-46156?
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.

Are you affected by CVE-2023-46156?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST