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CVE-2023-28766

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CVE-2023-28766

Published: Apr 11, 2023

Modified: Nov 11, 2025

PUBLISHED

CVSS v3.1

7.5

HIGH

Description

A vulnerability has been identified in SIPROTEC 5 6MD85 (CP300) (All versions >= V7.80 < V9.40), SIPROTEC 5 6MD86 (CP300) (All versions >= V7.80 < V9.40), SIPROTEC 5 6MD89 (CP300) (All versions >= V7.80 < V9.64), SIPROTEC 5 6MU85 (CP300) (All versions >= V7.80 < V9.40), SIPROTEC 5 7KE85 (CP300) (All versions >= V7.80 < V9.40), SIPROTEC 5 7SA82 (CP100) (All versions < V8.90), SIPROTEC 5 7SA82 (CP150) (All versions < V9.40), SIPROTEC 5 7SA86 (CP300) (All versions >= V7.80 < V9.40), SIPROTEC 5 7SA87 (CP300) (All versions >= V7.80 < V9.40), SIPROTEC 5 7SD82 (CP100) (All versions < V8.90), SIPROTEC 5 7SD82 (CP150) (All versions < V9.40), SIPROTEC 5 7SD86 (CP300) (All versions >= V7.80 < V9.40), SIPROTEC 5 7SD87 (CP300) (All versions >= V7.80 < V9.40), SIPROTEC 5 7SJ81 (CP100) (All versions < V8.89), SIPROTEC 5 7SJ81 (CP150) (All versions < V9.40), SIPROTEC 5 7SJ82 (CP100) (All versions < V8.89), SIPROTEC 5 7SJ82 (CP150) (All versions < V9.40), SIPROTEC 5 7SJ85 (CP300) (All versions >= V7.80 < V9.40), SIPROTEC 5 7SJ86 (CP300) (All versions >= V7.80 < V9.40), SIPROTEC 5 7SK82 (CP100) (All versions < V8.89), SIPROTEC 5 7SK82 (CP150) (All versions < V9.40), SIPROTEC 5 7SK85 (CP300) (All versions >= V7.80 < V9.40), SIPROTEC 5 7SL82 (CP100) (All versions < V8.90), SIPROTEC 5 7SL82 (CP150) (All versions < V9.40), SIPROTEC 5 7SL86 (CP300) (All versions >= V7.80 < V9.40), SIPROTEC 5 7SL87 (CP300) (All versions >= V7.80 < V9.40), SIPROTEC 5 7SS85 (CP300) (All versions >= V7.80 < V9.40), SIPROTEC 5 7ST85 (CP300) (All versions >= V7.80 < V9.64), SIPROTEC 5 7ST86 (CP300) (All versions >= V7.80 < V9.40), SIPROTEC 5 7SX82 (CP150) (All versions < V9.40), SIPROTEC 5 7SX85 (CP300) (All versions >= V7.80 < V9.40), SIPROTEC 5 7UM85 (CP300) (All versions >= V7.80 < V9.40), SIPROTEC 5 7UT82 (CP100) (All versions < V8.90), SIPROTEC 5 7UT82 (CP150) (All versions < V9.40), SIPROTEC 5 7UT85 (CP300) (All versions >= V7.80 < V9.40), SIPROTEC 5 7UT86 (CP300) (All versions >= V7.80 < V9.40), SIPROTEC 5 7UT87 (CP300) (All versions >= V7.80 < V9.40), SIPROTEC 5 7VE85 (CP300) (All versions >= V7.80 < V9.40), SIPROTEC 5 7VK87 (CP300) (All versions >= V7.80 < V9.40), SIPROTEC 5 7VU85 (CP300) (All versions >= V7.80 < V9.40), SIPROTEC 5 Communication Module ETH-BA-2EL (Rev.1) (All versions < V9.40 installed on CP150 and CP300 devices), SIPROTEC 5 Communication Module ETH-BA-2EL (Rev.1) (All versions < V8.89 installed on CP100 devices), SIPROTEC 5 Communication Module ETH-BB-2FO (Rev. 1) (All versions < V9.40 installed on CP150 and CP300 devices), SIPROTEC 5 Communication Module ETH-BB-2FO (Rev. 1) (All versions < V8.89 installed on CP100 devices), SIPROTEC 5 Communication Module ETH-BD-2FO (All versions < V9.40), SIPROTEC 5 Compact 7SX800 (CP050) (All versions < V9.40). Affected devices lack proper validation of http request parameters of the hosted web service. An unauthenticated remote attacker could send specially crafted packets that could cause denial of service condition of the target device.

VendorProductVersions

Siemens

SIPROTEC 5 6MD85 (CP300)

affected
V7.80 - < V9.40

Siemens

SIPROTEC 5 6MD86 (CP300)

affected
V7.80 - < V9.40

Siemens

SIPROTEC 5 6MD89 (CP300)

affected
V7.80 - < V9.64

Siemens

SIPROTEC 5 6MU85 (CP300)

affected
V7.80 - < V9.40

Siemens

SIPROTEC 5 7KE85 (CP300)

affected
V7.80 - < V9.40

Siemens

SIPROTEC 5 7SA82 (CP100)

affected
0 - < V8.90

Siemens

SIPROTEC 5 7SA82 (CP150)

affected
0 - < V9.40

Siemens

SIPROTEC 5 7SA86 (CP300)

affected
V7.80 - < V9.40

Siemens

SIPROTEC 5 7SA87 (CP300)

affected
V7.80 - < V9.40

Siemens

SIPROTEC 5 7SD82 (CP100)

affected
0 - < V8.90

Siemens

SIPROTEC 5 7SD82 (CP150)

affected
0 - < V9.40

Siemens

SIPROTEC 5 7SD86 (CP300)

affected
V7.80 - < V9.40

Siemens

SIPROTEC 5 7SD87 (CP300)

affected
V7.80 - < V9.40

Siemens

SIPROTEC 5 7SJ81 (CP100)

affected
0 - < V8.89

Siemens

SIPROTEC 5 7SJ81 (CP150)

affected
0 - < V9.40

Siemens

SIPROTEC 5 7SJ82 (CP100)

affected
0 - < V8.89

Siemens

SIPROTEC 5 7SJ82 (CP150)

affected
0 - < V9.40

Siemens

SIPROTEC 5 7SJ85 (CP300)

affected
V7.80 - < V9.40

Siemens

SIPROTEC 5 7SJ86 (CP300)

affected
V7.80 - < V9.40

Siemens

SIPROTEC 5 7SK82 (CP100)

affected
0 - < V8.89

Siemens

SIPROTEC 5 7SK82 (CP150)

affected
0 - < V9.40

Siemens

SIPROTEC 5 7SK85 (CP300)

affected
V7.80 - < V9.40

Siemens

SIPROTEC 5 7SL82 (CP100)

affected
0 - < V8.90

Siemens

SIPROTEC 5 7SL82 (CP150)

affected
0 - < V9.40

Siemens

SIPROTEC 5 7SL86 (CP300)

affected
V7.80 - < V9.40

Siemens

SIPROTEC 5 7SL87 (CP300)

affected
V7.80 - < V9.40

Siemens

SIPROTEC 5 7SS85 (CP300)

affected
V7.80 - < V9.40

Siemens

SIPROTEC 5 7ST85 (CP300)

affected
V7.80 - < V9.64

Siemens

SIPROTEC 5 7ST86 (CP300)

affected
V7.80 - < V9.40

Siemens

SIPROTEC 5 7SX82 (CP150)

affected
0 - < V9.40

Siemens

SIPROTEC 5 7SX85 (CP300)

affected
V7.80 - < V9.40

Siemens

SIPROTEC 5 7UM85 (CP300)

affected
V7.80 - < V9.40

Siemens

SIPROTEC 5 7UT82 (CP100)

affected
0 - < V8.90

Siemens

SIPROTEC 5 7UT82 (CP150)

affected
0 - < V9.40

Siemens

SIPROTEC 5 7UT85 (CP300)

affected
V7.80 - < V9.40

Siemens

SIPROTEC 5 7UT86 (CP300)

affected
V7.80 - < V9.40

Siemens

SIPROTEC 5 7UT87 (CP300)

affected
V7.80 - < V9.40

Siemens

SIPROTEC 5 7VE85 (CP300)

affected
V7.80 - < V9.40

Siemens

SIPROTEC 5 7VK87 (CP300)

affected
V7.80 - < V9.40

Siemens

SIPROTEC 5 7VU85 (CP300)

affected
V7.80 - < V9.40

Siemens

SIPROTEC 5 Communication Module ETH-BA-2EL (Rev.1)

affected
0 - < V9.40

Siemens

SIPROTEC 5 Communication Module ETH-BA-2EL (Rev.1)

affected
0 - < V8.89

Siemens

SIPROTEC 5 Communication Module ETH-BB-2FO (Rev. 1)

affected
0 - < V9.40

Siemens

SIPROTEC 5 Communication Module ETH-BB-2FO (Rev. 1)

affected
0 - < V8.89

Siemens

SIPROTEC 5 Communication Module ETH-BD-2FO

affected
0 - < V9.40

Siemens

SIPROTEC 5 Compact 7SX800 (CP050)

affected
0 - < V9.40

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

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