CVE-2023-28766

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), 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), 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), 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), 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 (All versions < V9.40 installed on CP150 and CP300 devices), SIPROTEC 5 Communication Module ETH-BA-2EL (All versions < V8.89 installed on CP100 devices), SIPROTEC 5 Communication Module ETH-BB-2FO (All versions < V9.40 installed on CP150 and CP300 devices), SIPROTEC 5 Communication Module ETH-BB-2FO (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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.20%
Vendor Advisory siemens.com
Affected: Siemens SIPROTEC 5 6MD85 (CP300)
Affected: Siemens SIPROTEC 5 6MD86 (CP300)
Affected: Siemens SIPROTEC 5 6MD89 (CP300)
Affected: Siemens SIPROTEC 5 6MU85 (CP300)
Affected: Siemens SIPROTEC 5 7KE85 (CP300)
Affected: Siemens SIPROTEC 5 7SA82 (CP100)
Affected: Siemens SIPROTEC 5 7SA82 (CP150)
Affected: Siemens SIPROTEC 5 7SA86 (CP300)
Affected: Siemens SIPROTEC 5 7SA87 (CP300)
Affected: Siemens SIPROTEC 5 7SD82 (CP100)
Affected: Siemens SIPROTEC 5 7SD82 (CP150)
Affected: Siemens SIPROTEC 5 7SD86 (CP300)
Affected: Siemens SIPROTEC 5 7SD87 (CP300)
Affected: Siemens SIPROTEC 5 7SJ81 (CP100)
Affected: Siemens SIPROTEC 5 7SJ81 (CP150)
Affected: Siemens SIPROTEC 5 7SJ82 (CP100)
Affected: Siemens SIPROTEC 5 7SJ82 (CP150)
Affected: Siemens SIPROTEC 5 7SJ85 (CP300)
Affected: Siemens SIPROTEC 5 7SJ86 (CP300)
Affected: Siemens SIPROTEC 5 7SK82 (CP100)
Affected: Siemens SIPROTEC 5 7SK82 (CP150)
Affected: Siemens SIPROTEC 5 7SK85 (CP300)
Affected: Siemens SIPROTEC 5 7SL82 (CP100)
Affected: Siemens SIPROTEC 5 7SL82 (CP150)
Affected: Siemens SIPROTEC 5 7SL86 (CP300)
Affected: Siemens SIPROTEC 5 7SL87 (CP300)
Affected: Siemens SIPROTEC 5 7SS85 (CP300)
Affected: Siemens SIPROTEC 5 7ST85 (CP300)
Affected: Siemens SIPROTEC 5 7ST86 (CP300)
Affected: Siemens SIPROTEC 5 7SX82 (CP150)
Affected: Siemens SIPROTEC 5 7SX85 (CP300)
Affected: Siemens SIPROTEC 5 7UM85 (CP300)
Affected: Siemens SIPROTEC 5 7UT82 (CP100)
Affected: Siemens SIPROTEC 5 7UT82 (CP150)
Affected: Siemens SIPROTEC 5 7UT85 (CP300)
Affected: Siemens SIPROTEC 5 7UT86 (CP300)
Affected: Siemens SIPROTEC 5 7UT87 (CP300)
Affected: Siemens SIPROTEC 5 7VE85 (CP300)
Affected: Siemens SIPROTEC 5 7VK87 (CP300)
Affected: Siemens SIPROTEC 5 7VU85 (CP300)
Affected: Siemens SIPROTEC 5 Communication Module ETH-BA-2EL
Affected: Siemens SIPROTEC 5 Communication Module ETH-BA-2EL
Affected: Siemens SIPROTEC 5 Communication Module ETH-BB-2FO
Affected: Siemens SIPROTEC 5 Communication Module ETH-BB-2FO
Affected: Siemens SIPROTEC 5 Communication Module ETH-BD-2FO
Affected: Siemens SIPROTEC 5 Compact 7SX800 (CP050)
Published at:
Updated at:

References

Link Tags
https://cert-portal.siemens.com/productcert/pdf/ssa-322980.pdf vendor advisory
https://cert-portal.siemens.com/productcert/html/ssa-322980.html

Frequently Asked Questions

What is the severity of CVE-2023-28766?
CVE-2023-28766 has been scored as a high severity vulnerability.
How to fix CVE-2023-28766?
To fix CVE-2023-28766, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-28766 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-28766 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-28766?
CVE-2023-28766 affects Siemens SIPROTEC 5 6MD85 (CP300), Siemens SIPROTEC 5 6MD86 (CP300), Siemens SIPROTEC 5 6MD89 (CP300), Siemens SIPROTEC 5 6MU85 (CP300), Siemens SIPROTEC 5 7KE85 (CP300), Siemens SIPROTEC 5 7SA82 (CP100), Siemens SIPROTEC 5 7SA82 (CP150), Siemens SIPROTEC 5 7SA86 (CP300), Siemens SIPROTEC 5 7SA87 (CP300), Siemens SIPROTEC 5 7SD82 (CP100), Siemens SIPROTEC 5 7SD82 (CP150), Siemens SIPROTEC 5 7SD86 (CP300), Siemens SIPROTEC 5 7SD87 (CP300), Siemens SIPROTEC 5 7SJ81 (CP100), Siemens SIPROTEC 5 7SJ81 (CP150), Siemens SIPROTEC 5 7SJ82 (CP100), Siemens SIPROTEC 5 7SJ82 (CP150), Siemens SIPROTEC 5 7SJ85 (CP300), Siemens SIPROTEC 5 7SJ86 (CP300), Siemens SIPROTEC 5 7SK82 (CP100), Siemens SIPROTEC 5 7SK82 (CP150), Siemens SIPROTEC 5 7SK85 (CP300), Siemens SIPROTEC 5 7SL82 (CP100), Siemens SIPROTEC 5 7SL82 (CP150), Siemens SIPROTEC 5 7SL86 (CP300), Siemens SIPROTEC 5 7SL87 (CP300), Siemens SIPROTEC 5 7SS85 (CP300), Siemens SIPROTEC 5 7ST85 (CP300), Siemens SIPROTEC 5 7ST86 (CP300), Siemens SIPROTEC 5 7SX82 (CP150), Siemens SIPROTEC 5 7SX85 (CP300), Siemens SIPROTEC 5 7UM85 (CP300), Siemens SIPROTEC 5 7UT82 (CP100), Siemens SIPROTEC 5 7UT82 (CP150), Siemens SIPROTEC 5 7UT85 (CP300), Siemens SIPROTEC 5 7UT86 (CP300), Siemens SIPROTEC 5 7UT87 (CP300), Siemens SIPROTEC 5 7VE85 (CP300), Siemens SIPROTEC 5 7VK87 (CP300), Siemens SIPROTEC 5 7VU85 (CP300), Siemens SIPROTEC 5 Communication Module ETH-BA-2EL, Siemens SIPROTEC 5 Communication Module ETH-BA-2EL, Siemens SIPROTEC 5 Communication Module ETH-BB-2FO, Siemens SIPROTEC 5 Communication Module ETH-BB-2FO, Siemens SIPROTEC 5 Communication Module ETH-BD-2FO, Siemens SIPROTEC 5 Compact 7SX800 (CP050).
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