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Fencer Vulns
medium 5.3

CVE-2024-54017 json

A vulnerability has been identified in SIPROTEC 5 6MD84 (CP300) (All versions < V11.0), SIPROTEC 5 6MD85 (CP200) (All versions), SIPROTEC 5…

published 2026-05-12 5 mo ago modified 2026-10-23 16 d ago also EUVD-2024-55574

cvss
5.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 23%
public exploits
0
none known

Summary

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.

Patch / fix

  • Siemens SIPROTEC 5 6MD84 (CP300) V11.0
  • Siemens SIPROTEC 5 6MD85 (CP300) V11.0
  • Siemens SIPROTEC 5 6MD86 (CP300) V11.0
  • Siemens SIPROTEC 5 6MD89 (CP300) V11.0
  • Siemens SIPROTEC 5 6MU85 (CP300) V11.0
  • Siemens SIPROTEC 5 7KE85 (CP300) V11.0
  • Siemens SIPROTEC 5 7SA82 (CP150) V11.0
  • Siemens SIPROTEC 5 7SA86 (CP300) V11.0
  • Siemens SIPROTEC 5 7SA87 (CP300) V11.0
  • Siemens SIPROTEC 5 7SD82 (CP150) V11.0
  • Siemens SIPROTEC 5 7SD86 (CP300) V11.0
  • Siemens SIPROTEC 5 7SD87 (CP300) V11.0
  • Siemens SIPROTEC 5 7SJ81 (CP150) V11.0
  • Siemens SIPROTEC 5 7SJ82 (CP150) V11.0
  • Siemens SIPROTEC 5 7SJ85 (CP300) V11.0
  • Siemens SIPROTEC 5 7SJ86 (CP300) V11.0
  • Siemens SIPROTEC 5 7SK82 (CP150) V11.0
  • Siemens SIPROTEC 5 7SK85 (CP300) V11.0
  • Siemens SIPROTEC 5 7SL82 (CP150) V11.0
  • Siemens SIPROTEC 5 7SL86 (CP300) V11.0
  • Siemens SIPROTEC 5 7SL87 (CP300) V11.0
  • Siemens SIPROTEC 5 7SS85 (CP300) V11.0
  • Siemens SIPROTEC 5 7ST85 (CP300) V11.0
  • Siemens SIPROTEC 5 7ST86 (CP300) V11.0
  • Siemens SIPROTEC 5 7SX82 (CP150) V11.0
  • Siemens SIPROTEC 5 7SX85 (CP300) V11.0
  • Siemens SIPROTEC 5 7SY82 (CP150) V11.0
  • Siemens SIPROTEC 5 7UM85 (CP300) V11.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-26-134-13 updated cvss 5.3

Siemens SIPROTEC 5

  • Siemens SIPROTEC 5 6MD84 (CP300) < 11.0 Siemens SIPROTEC 5 6MD85 (CP300) >= 7.80, < 11.0 Siemens SIPROTEC 5 6MD86 (CP300) >= 7.80, < 11.0 Siemens SIPROTEC 5 6MD89 (CP300) >= 7.80, < 11.0 Siemens SIPROTEC 5 6MU85 (CP300) >= 7.80, < 11.0 Siemens SIPROTEC 5 7KE85 (CP300) >= 7.80, < 11.0
    affected: fixed in V11.0 support.industry.siemens.com
  • Siemens SIPROTEC 5 7SA82 (CP100) >= 7.80
    affected: no fix available
  • Siemens SIPROTEC 5 7SA82 (CP150) < 11.0
    affected: fixed in V11.0 support.industry.siemens.com
  • Siemens SIPROTEC 5 7SA86 (CP300) >= 7.80, < 11.0 Siemens SIPROTEC 5 7SA87 (CP300) >= 7.80, < 11.0
    affected: fixed in V11.0 support.industry.siemens.com
  • Siemens SIPROTEC 5 7SD82 (CP100) >= 7.80
    affected: no fix available
  • Siemens SIPROTEC 5 7SD82 (CP150) < 11.0
    affected: fixed in V11.0 support.industry.siemens.com
  • Siemens SIPROTEC 5 7SD86 (CP300) >= 7.80, < 11.0 Siemens SIPROTEC 5 7SD87 (CP300) >= 7.80, < 11.0
    affected: fixed in V11.0 support.industry.siemens.com
  • Siemens SIPROTEC 5 7SJ81 (CP100) >= 7.80
    affected: no fix available
show 17 more
  • Siemens SIPROTEC 5 7SJ81 (CP150) < 11.0
    affected: fixed in V11.0 support.industry.siemens.com
  • Siemens SIPROTEC 5 7SJ82 (CP100) >= 7.80
    affected: no fix available
  • Siemens SIPROTEC 5 7SJ82 (CP150) < 11.0
    affected: fixed in V11.0 support.industry.siemens.com
  • Siemens SIPROTEC 5 7SJ85 (CP300) >= 7.80, < 11.0 Siemens SIPROTEC 5 7SJ86 (CP300) >= 7.80, < 11.0
    affected: fixed in V11.0 support.industry.siemens.com
  • Siemens SIPROTEC 5 7SK82 (CP100) >= 7.80
    affected: no fix available
  • Siemens SIPROTEC 5 7SK82 (CP150) < 11.0
    affected: fixed in V11.0 support.industry.siemens.com
  • Siemens SIPROTEC 5 7SK85 (CP300) >= 7.80, < 11.0
    affected: fixed in V11.0 support.industry.siemens.com
  • Siemens SIPROTEC 5 7SL82 (CP100) >= 7.80
    affected: no fix available
  • Siemens SIPROTEC 5 7SL82 (CP150) < 11.0
    affected: fixed in V11.0 support.industry.siemens.com
  • Siemens SIPROTEC 5 7SL86 (CP300) >= 7.80, < 11.0 Siemens SIPROTEC 5 7SL87 (CP300) >= 7.80, < 11.0 Siemens SIPROTEC 5 7SS85 (CP300) >= 7.80, < 11.0 Siemens SIPROTEC 5 7ST85 (CP300) >= 7.80, < 11.0 Siemens SIPROTEC 5 7ST86 (CP300) < 11.0
    affected: fixed in V11.0 support.industry.siemens.com
  • Siemens SIPROTEC 5 7SX82 (CP150) < 11.0
    affected: fixed in V11.0 support.industry.siemens.com
  • Siemens SIPROTEC 5 7SX85 (CP300) < 11.0
    affected: fixed in V11.0 support.industry.siemens.com
  • Siemens SIPROTEC 5 7SY82 (CP150) < 11.0
    affected: fixed in V11.0 support.industry.siemens.com
  • Siemens SIPROTEC 5 7UM85 (CP300) >= 7.80, < 11.0
    affected: fixed in V11.0 support.industry.siemens.com
  • Siemens SIPROTEC 5 7UT82 (CP100) >= 7.80
    affected: no fix available
  • Siemens SIPROTEC 5 7UT82 (CP150) < 11.0
    affected: fixed in V11.0 support.industry.siemens.com
  • Siemens SIPROTEC 5 7UT85 (CP300) >= 7.80, < 11.0 Siemens SIPROTEC 5 7UT86 (CP300) >= 7.80, < 11.0 Siemens SIPROTEC 5 7UT87 (CP300) >= 7.80, < 11.0 Siemens SIPROTEC 5 7VE85 (CP300) >= 7.80, < 11.0
    affected: fixed in V11.0 support.industry.siemens.com

3 more affected, 20 more not affected in the full advisory

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
5 mo ago

Exploit prediction

0.31% chance of exploitation in the next 30 days, higher than 23% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CNA 4.0 6.9 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
CNA 4.0 6.9 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

  • 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)
  • Siemens SIPROTEC 5 6MD89 (CP300)
  • Siemens SIPROTEC 5 6MU85 (CP300)
  • Siemens SIPROTEC 5 7KE85 (CP200)
  • Siemens SIPROTEC 5 7KE85 (CP300)
  • Siemens SIPROTEC 5 7SA82 (CP100)
  • Siemens SIPROTEC 5 7SA82 (CP150)
  • Siemens SIPROTEC 5 7SA84 (CP200)
  • Siemens SIPROTEC 5 7SA86 (CP200)
  • Siemens SIPROTEC 5 7SA86 (CP300)
  • Siemens SIPROTEC 5 7SA87 (CP200)
  • Siemens SIPROTEC 5 7SA87 (CP300)
  • Siemens SIPROTEC 5 7SD82 (CP100)
  • Siemens SIPROTEC 5 7SD82 (CP150)
  • Siemens SIPROTEC 5 7SD84 (CP200)
  • Siemens SIPROTEC 5 7SD86 (CP200)
  • Siemens SIPROTEC 5 7SD86 (CP300)
  • Siemens SIPROTEC 5 7SD87 (CP200)
  • 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 (CP200)
  • Siemens SIPROTEC 5 7SJ85 (CP300)
  • Siemens SIPROTEC 5 7SJ86 (CP200)
  • Siemens SIPROTEC 5 7SJ86 (CP300)
  • Siemens SIPROTEC 5 7SK82 (CP100)
  • Siemens SIPROTEC 5 7SK82 (CP150)
  • Siemens SIPROTEC 5 7SK85 (CP200)
  • Siemens SIPROTEC 5 7SK85 (CP300)
  • Siemens SIPROTEC 5 7SL82 (CP100)
  • Siemens SIPROTEC 5 7SL82 (CP150)
  • Siemens SIPROTEC 5 7SL86 (CP200)
  • Siemens SIPROTEC 5 7SL86 (CP300)
  • Siemens SIPROTEC 5 7SL87 (CP200)
  • Siemens SIPROTEC 5 7SL87 (CP300)
  • Siemens SIPROTEC 5 7SS85 (CP200)
  • Siemens SIPROTEC 5 7SS85 (CP300)
  • Siemens SIPROTEC 5 7ST85 (CP200)
  • Siemens SIPROTEC 5 7ST85 (CP300)
  • Siemens SIPROTEC 5 7ST86 (CP300)
  • Siemens SIPROTEC 5 7SX82 (CP150)
  • Siemens SIPROTEC 5 7SX85 (CP300)
  • Siemens SIPROTEC 5 7SY82 (CP150)
  • Siemens SIPROTEC 5 7UM85 (CP300)

Classification

Weakness
  • CWE-334 Small Space of Random Values

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.