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Siprotec 5 6Md84 Cp300 CVE-2024-54017

| EUVDEUVD-2024-55574 MEDIUM
Small Space of Random Values (CWE-334)
2026-05-12 siemens GHSA-wv47-qqcp-w8j2
Information Disclosure Siemens Siprotec 5 6Md84 Cp300 Siprotec 5 6Md85 Cp200 Siprotec 5 6Md85 Cp300 Siprotec 5 6Md86 Cp200 Siprotec 5 6Md86 Cp300 Siprotec 5 6Md89 Cp300 Siprotec 5 6Mu85 Cp300 Siprotec 5 7Ke85 Cp200 Siprotec 5 7Ke85 Cp300 Siprotec 5 7Sa82 Cp100 Siprotec 5 7Sa82 Cp150 Siprotec 5 7Sa84 Cp200 Siprotec 5 7Sa86 Cp200 Siprotec 5 7Sa86 Cp300 Siprotec 5 7Sa87 Cp200 Siprotec 5 7Sa87 Cp300 Siprotec 5 7Sd82 Cp100 Siprotec 5 7Sd82 Cp150 Siprotec 5 7Sd84 Cp200 Siprotec 5 7Sd86 Cp200 Siprotec 5 7Sd86 Cp300 Siprotec 5 7Sd87 Cp200 Siprotec 5 7Sd87 Cp300 Siprotec 5 7Sj81 Cp100 Siprotec 5 7Sj81 Cp150 Siprotec 5 7Sj82 Cp100 Siprotec 5 7Sj82 Cp150 Siprotec 5 7Sj85 Cp200 Siprotec 5 7Sj85 Cp300 Siprotec 5 7Sj86 Cp200 Siprotec 5 7Sj86 Cp300 Siprotec 5 7Sk82 Cp100 Siprotec 5 7Sk82 Cp150 Siprotec 5 7Sk85 Cp200 Siprotec 5 7Sk85 Cp300 Siprotec 5 7Sl82 Cp100 Siprotec 5 7Sl82 Cp150 Siprotec 5 7Sl86 Cp200 Siprotec 5 7Sl86 Cp300 Siprotec 5 7Sl87 Cp200 Siprotec 5 7Sl87 Cp300 Siprotec 5 7Ss85 Cp200 Siprotec 5 7Ss85 Cp300 Siprotec 5 7St85 Cp200 Siprotec 5 7St85 Cp300 Siprotec 5 7St86 Cp300 Siprotec 5 7Sx82 Cp150 Siprotec 5 7Sx85 Cp300 Siprotec 5 7Sy82 Cp150 Siprotec 5 7Um85 Cp300 Siprotec 5 7Ut82 Cp100 Siprotec 5 7Ut82 Cp150 Siprotec 5 7Ut85 Cp200 Siprotec 5 7Ut85 Cp300 Siprotec 5 7Ut86 Cp200 Siprotec 5 7Ut86 Cp300 Siprotec 5 7Ut87 Cp200 Siprotec 5 7Ut87 Cp300 Siprotec 5 7Ve85 Cp300 Siprotec 5 7Vk87 Cp200 Siprotec 5 7Vk87 Cp300 Siprotec 5 7Vu85 Cp300 Siprotec 5 Compact 7Sx800 Cp050
6.9
CVSS 4.0 · Vendor: siemens
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Vulnerability Assessment

Weakness
CWE
CWE-334
Impact

CVSS score of 6.9 (MEDIUM). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. EPSS exploitation probability: 0.03%.
Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system.
This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.0% exploitation probability (EPSS)

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AnalysisAI

A vulnerability has been identified in SIPROTEC 5 6MD84 (CP300) (All versions < V11.0), SIPROTEC 5 6MD85 (CP200) (All versions), SIPROTEC 5 6MD85 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affected VersionsENISA

SIPROTEC 5 7SJ82 (CP150) 0 <V11.0
SIPROTEC 5 6MD85 (CP300) V7.80 <V11.0
SIPROTEC 5 7SJ82 (CP100) V7.80 <*
SIPROTEC 5 7UT82 (CP100) V7.80 <*
SIPROTEC 5 7ST86 (CP300) 0 <V11.0
SIPROTEC 5 Compact 7SX800 (CP050) 0 <V11.0
SIPROTEC 5 7UM85 (CP300) V7.80 <V11.0
SIPROTEC 5 7SD82 (CP100) V7.80 <*
SIPROTEC 5 7SX82 (CP150) 0 <V11.0
SIPROTEC 5 7SX85 (CP300) 0 <V11.0
SIPROTEC 5 7SD87 (CP300) V7.80 <V11.0
SIPROTEC 5 7SD86 (CP300) V7.80 <V11.0
SIPROTEC 5 7SL82 (CP150) 0 <V11.0
SIPROTEC 5 7VU85 (CP300) 0 <V11.0
SIPROTEC 5 7SK85 (CP300) V7.80 <V11.0
SIPROTEC 5 7ST85 (CP300) V7.80 <V11.0
SIPROTEC 5 7SA82 (CP100) V7.80 <*
SIPROTEC 5 7UT87 (CP300) V7.80 <V11.0
SIPROTEC 5 7SL87 (CP300) V7.80 <V11.0
SIPROTEC 5 6MD89 (CP300) V7.80 <V11.0
SIPROTEC 5 7SJ81 (CP100) V7.80 <*
SIPROTEC 5 7UT86 (CP300) V7.80 <V11.0
SIPROTEC 5 6MU85 (CP300) V7.80 <V11.0
SIPROTEC 5 7SA87 (CP300) V7.80 <V11.0
SIPROTEC 5 7SY82 (CP150) 0 <V11.0
SIPROTEC 5 7SD82 (CP150) 0 <V11.0
SIPROTEC 5 7KE85 (CP300) V7.80 <V11.0
SIPROTEC 5 7SK82 (CP150) 0 <V11.0
SIPROTEC 5 7UT85 (CP300) V7.80 <V11.0
SIPROTEC 5 7SS85 (CP300) V7.80 <V11.0
SIPROTEC 5 7VK87 (CP300) V7.80 <V11.0
SIPROTEC 5 7SJ81 (CP150) 0 <V11.0
SIPROTEC 5 7SJ85 (CP300) V7.80 <V11.0
SIPROTEC 5 7VE85 (CP300) V7.80 <V11.0
SIPROTEC 5 7SA86 (CP300) V7.80 <V11.0
SIPROTEC 5 7UT82 (CP150) 0 <V11.0
SIPROTEC 5 7SJ86 (CP300) V7.80 <V11.0
SIPROTEC 5 6MD86 (CP300) V7.80 <V11.0
SIPROTEC 5 7SA82 (CP150) 0 <V11.0
SIPROTEC 5 7SK82 (CP100) V7.80 <*
SIPROTEC 5 6MD84 (CP300) 0 <V11.0
SIPROTEC 5 7SL82 (CP100) V7.80 <*
SIPROTEC 5 7SL86 (CP300) V7.80 <V11.0

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Technical ContextAI · show details

This vulnerability is classified under CWE-334. A vulnerability has been identified in SIPROTEC 5 6MD84 (CP300) (All versions < V11.0), SIPROTEC 5 6MD85 (CP200) (All versions), SIPROTEC 5 6MD85 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 6MD86 (CP200) (All versions), SIPROTEC 5 6MD86 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 6MD89 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 6MU85 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 7KE85 (CP200) (All versions), SIPROTEC 5 7KE85 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 7SA82 (CP100) (All versions >= V7.80), SIPROTEC 5 7SA82 (CP150) (All versions < V11.0), SIPROTEC 5 7SA84 (CP200) (All versions), SIPROTEC 5 7SA86 (CP200) (All versions), SIPROTEC 5 7SA86 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 7SA87 (CP200) (All versions), SIPROTEC 5 7SA87 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 7SD82 (CP100) (All versions >= V7.80), SIPROTEC 5 7SD82 (CP150) (All versions < V11.0), SIPROTEC 5 7SD84 (CP200) (All versions), SIPROTEC 5 7SD86 (CP200) (All versions), SIPROTEC 5 7SD86 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 7SD87 (CP200) (All versions), SIPROTEC 5 7SD87 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 7SJ81 (CP100) (All versions >= V7.80), SIPROTEC 5 7SJ81 (CP150) (All versions < V11.0), SIPROTEC 5 7SJ82 (CP100) (All versions >= V7.80), SIPROTEC 5 7SJ82 (CP150) (All versions < V11.0), SIPROTEC 5 7SJ85 (CP200) (All versions), SIPROTEC 5 7SJ85 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 7SJ86 (CP200) (All versions), SIPROTEC 5 7SJ86 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 7SK82 (CP100) (All versions >= V7.80), SIPROTEC 5 7SK82 (CP150) (All versions < V11.0), SIPROTEC 5 7SK85 (CP200) (All versions), SIPROTEC 5 7SK85 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 7SL82 (CP100) (All versions >= V7.80), SIPROTEC 5 7SL82 (CP150) (All versions < V11.0), SIPROTEC 5 7SL86 (CP200) (All versions), SIPROTEC 5 7SL86 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 7SL87 (CP200) (All versions), SIPROTEC 5 7SL87 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 7SS85 (CP200) (All versions), SIPROTEC 5 7SS85 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 7ST85 (CP200) (All versions), SIPROTEC 5 7ST85 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 7ST86 (CP300) (All versions < V11.0), SIPROTEC 5 7SX82 (CP150) (All versions < V11.0), SIPROTEC 5 7SX85 (CP300) (All versions < V11.0), SIPROTEC 5 7SY82 (CP150) (All versions < V11.0), SIPROTEC 5 7UM85 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 7UT82 (CP100) (All versions >= V7.80), SIPROTEC 5 7UT82 (CP150) (All versions < V11.0), SIPROTEC 5 7UT85 (CP200) (All versions), SIPROTEC 5 7UT85 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 7UT86 (CP200) (All versions), SIPROTEC 5 7UT86 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 7UT87 (CP200) (All versions), SIPROTEC 5 7UT87 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 7VE85 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 7VK87 (CP200) (All versions), SIPROTEC 5 7VK87 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 7VU85 (CP300) (All versions < V11.0), SIPROTEC 5 Compact 7SX800 (CP050) (All versions < V11.0). Affected devices do not use sufficiently random values to create session identifiers. This could allow an unauthenticated remote attacker to brute force a session identifier and gain read access to limited information from the web server without authorization. Affected products include: Siemens Siprotec 5 6Md84 (Cp300), Siemens Siprotec 5 6Md85 (Cp200), Siemens Siprotec 5 6Md85 (Cp300), Siemens Siprotec 5 6Md86 (Cp200), Siemens Siprotec 5 6Md86 (Cp300).

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Severity by source

Vendor (siemens) PRIMARY 6.9 MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (siemens) · only source for this CVE.

CVSS VectorVendor: siemens

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Vulnerable system: Confidentiality
Low
Vulnerable system: Integrity
None
Vulnerable system: Availability
None
Subsequent system: Confidentiality
None
Subsequent system: Integrity
None
Subsequent system: Availability
None

Lifecycle Timeline

2
CVSS changed
May 12, 2026 - 10:22 NVD
5.3 (MEDIUM) 6.9 (MEDIUM)
CVE Published
May 12, 2026 - 08:20 cve.org
MEDIUM 6.9

DescriptionCVE.org

A vulnerability has been identified in SIPROTEC 5 6MD84 (CP300) (All versions < V11.0), SIPROTEC 5 6MD85 (CP200) (All versions), SIPROTEC 5 6MD85 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 6MD86 (CP200) (All versions), SIPROTEC 5 6MD86 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 6MD89 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 6MU85 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 7KE85 (CP200) (All versions), SIPROTEC 5 7KE85 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 7SA82 (CP100) (All versions >= V7.80), SIPROTEC 5 7SA82 (CP150) (All versions < V11.0), SIPROTEC 5 7SA84 (CP200) (All versions), SIPROTEC 5 7SA86 (CP200) (All versions), SIPROTEC 5 7SA86 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 7SA87 (CP200) (All versions), SIPROTEC 5 7SA87 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 7SD82 (CP100) (All versions >= V7.80), SIPROTEC 5 7SD82 (CP150) (All versions < V11.0), SIPROTEC 5 7SD84 (CP200) (All versions), SIPROTEC 5 7SD86 (CP200) (All versions), SIPROTEC 5 7SD86 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 7SD87 (CP200) (All versions), SIPROTEC 5 7SD87 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 7SJ81 (CP100) (All versions >= V7.80), SIPROTEC 5 7SJ81 (CP150) (All versions < V11.0), SIPROTEC 5 7SJ82 (CP100) (All versions >= V7.80), SIPROTEC 5 7SJ82 (CP150) (All versions < V11.0), SIPROTEC 5 7SJ85 (CP200) (All versions), SIPROTEC 5 7SJ85 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 7SJ86 (CP200) (All versions), SIPROTEC 5 7SJ86 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 7SK82 (CP100) (All versions >= V7.80), SIPROTEC 5 7SK82 (CP150) (All versions < V11.0), SIPROTEC 5 7SK85 (CP200) (All versions), SIPROTEC 5 7SK85 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 7SL82 (CP100) (All versions >= V7.80), SIPROTEC 5 7SL82 (CP150) (All versions < V11.0), SIPROTEC 5 7SL86 (CP200) (All versions), SIPROTEC 5 7SL86 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 7SL87 (CP200) (All versions), SIPROTEC 5 7SL87 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 7SS85 (CP200) (All versions), SIPROTEC 5 7SS85 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 7ST85 (CP200) (All versions), SIPROTEC 5 7ST85 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 7ST86 (CP300) (All versions < V11.0), SIPROTEC 5 7SX82 (CP150) (All versions < V11.0), SIPROTEC 5 7SX85 (CP300) (All versions < V11.0), SIPROTEC 5 7SY82 (CP150) (All versions < V11.0), SIPROTEC 5 7UM85 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 7UT82 (CP100) (All versions >= V7.80), SIPROTEC 5 7UT82 (CP150) (All versions < V11.0), SIPROTEC 5 7UT85 (CP200) (All versions), SIPROTEC 5 7UT85 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 7UT86 (CP200) (All versions), SIPROTEC 5 7UT86 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 7UT87 (CP200) (All versions), SIPROTEC 5 7UT87 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 7VE85 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 7VK87 (CP200) (All versions), SIPROTEC 5 7VK87 (CP300) (All versions >= V7.80 < V11.0), SIPROTEC 5 7VU85 (CP300) (All versions < V11.0), SIPROTEC 5 Compact 7SX800 (CP050) (All versions < V11.0). Affected devices do not use sufficiently random values to create session identifiers. This could allow an unauthenticated remote attacker to brute force a session identifier and gain read access to limited information from the web server without authorization.

Threat Intelligence Overview

EPSS Score
0.0%
Top 92% exploitable
Threat Intel
1
1 source
Data Quality
7 sources
Confidence: High
EUVD NVD CVE.org EPSS Vulnrichment CISA VulDB

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.0%
Patch available No
Active threat Yes
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation
None
System Exposure· derived
Open
Automatable
Yes
Human Impact· derived
Medium
Technical Impact
Partial

Priority Score

44
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +34
PoC: 0
Weaponized: 0
Threat intel: +10
Gov advisory: 0

Attack Technique

Information Disclosure MEDIUM

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

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Threat IntelligenceMISP

CISA Advisories
ICSA-26-134-13
Sources: CISA (public domain)

References

Advisories & patches
ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2024-54017 ADVISORY https://vuldb.com/vuln/362978 REF https://cert-portal.siemens.com/productcert/html/ssa-786884.html

Search Externally

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