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Fencer Vulns
high 7.5

CVE-2024-52504 json

A vulnerability has been identified in SIPROTEC 4 6MD61 (All versions), SIPROTEC 4 6MD63 (All versions), SIPROTEC 4 6MD66 (All versions), S…

published 2025-08-12 14 mo ago modified 2026-06-17 4 mo ago also EUVD-2024-54863

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 41%
public exploits
0
none known

Summary

A vulnerability has been identified in SIPROTEC 4 6MD61 (All versions), SIPROTEC 4 6MD63 (All versions), SIPROTEC 4 6MD66 (All versions), SIPROTEC 4 6MD665 (All versions), SIPROTEC 4 7SA522 (All versions), SIPROTEC 4 7SA6 (All versions < V4.78), SIPROTEC 4 7SD5 (All versions < V4.78), SIPROTEC 4 7SD610 (All versions < V4.78), SIPROTEC 4 7SJ61 (All versions), SIPROTEC 4 7SJ62 (All versions), SIPROTEC 4 7SJ63 (All versions), SIPROTEC 4 7SJ64 (All versions), SIPROTEC 4 7SJ66 (All versions), SIPROTEC 4 7SS52 (All versions), SIPROTEC 4 7ST6 (All versions), SIPROTEC 4 7UM61 (All versions), SIPROTEC 4 7UM62 (All versions), SIPROTEC 4 7UT612 (All versions), SIPROTEC 4 7UT613 (All versions), SIPROTEC 4 7UT63 (All versions), SIPROTEC 4 7VE6 (All versions), SIPROTEC 4 7VK61 (All versions), SIPROTEC 4 7VU683 (All versions), SIPROTEC 4 Compact 7RW80 (All versions), SIPROTEC 4 Compact 7SD80 (All versions), SIPROTEC 4 Compact 7SJ80 (All versions), SIPROTEC 4 Compact 7SJ81 (All versions), SIPROTEC 4 Compact 7SK80 (All versions), SIPROTEC 4 Compact 7SK81 (All versions). Affected devices do not properly handle interrupted operations of file transfer. This could allow an unauthenticated remote attacker to cause a denial of service condition. To restore normal operations, the devices need to be restarted.

Patch / fix

  • Siemens SIPROTEC 4 7SA6 V4.78
  • Siemens SIPROTEC 4 7SD5 V4.78
  • Siemens SIPROTEC 4 7SD610 V4.78

Vendor advisories

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

cisa ICSA-25-226-12 updated cvss 7.5

Siemens SIPROTEC 4 and SIPROTEC 4 Compact

  • Siemens SIPROTEC 4 6MD61 Siemens SIPROTEC 4 6MD63 Siemens SIPROTEC 4 6MD66 Siemens SIPROTEC 4 6MD665
    affected: no fix planned
  • Siemens SIPROTEC 4 7SA6 < 4.78
    affected: fixed in V4.78 support.industry.siemens.com
  • Siemens SIPROTEC 4 7SA522
    affected: no fix planned
  • Siemens SIPROTEC 4 7SD5 < 4.78
    affected: fixed in V4.78 support.industry.siemens.com
  • Siemens SIPROTEC 4 7SD610 < 4.78
    affected: fixed in V4.78 support.industry.siemens.com
  • Siemens SIPROTEC 4 7SJ61 Siemens SIPROTEC 4 7SJ62 Siemens SIPROTEC 4 7SJ63 Siemens SIPROTEC 4 7SJ64
    affected: no fix planned
  • Siemens SIPROTEC 4 7SJ66
    affected: no fix available
  • Siemens SIPROTEC 4 7SS52 Siemens SIPROTEC 4 7ST6 Siemens SIPROTEC 4 7UM61 Siemens SIPROTEC 4 7UM62 Siemens SIPROTEC 4 7UT63 Siemens SIPROTEC 4 7UT612
    +10 more products
    Siemens SIPROTEC 4 7UT613 Siemens SIPROTEC 4 7VE6 Siemens SIPROTEC 4 7VK61 Siemens SIPROTEC 4 7VU683 Siemens SIPROTEC 4 Compact 7RW80 Siemens SIPROTEC 4 Compact 7SD80 Siemens SIPROTEC 4 Compact 7SJ80 Siemens SIPROTEC 4 Compact 7SJ81 Siemens SIPROTEC 4 Compact 7SK80 Siemens SIPROTEC 4 Compact 7SK81
    affected: no fix planned

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
14 mo ago

Exploit prediction

0.48% chance of exploitation in the next 30 days, higher than 41% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA 4.0 8.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CNA 4.0 8.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/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 4 6MD61
  • Siemens SIPROTEC 4 6MD63
  • Siemens SIPROTEC 4 6MD66
  • Siemens SIPROTEC 4 6MD665
  • Siemens SIPROTEC 4 7SA522
  • Siemens SIPROTEC 4 7SA6
  • Siemens SIPROTEC 4 7SD5
  • Siemens SIPROTEC 4 7SD610
  • Siemens SIPROTEC 4 7SJ61
  • Siemens SIPROTEC 4 7SJ62
  • Siemens SIPROTEC 4 7SJ63
  • Siemens SIPROTEC 4 7SJ64
  • Siemens SIPROTEC 4 7SJ66
  • Siemens SIPROTEC 4 7SS52
  • Siemens SIPROTEC 4 7ST6
  • Siemens SIPROTEC 4 7UM61
  • Siemens SIPROTEC 4 7UM62
  • Siemens SIPROTEC 4 7UT612
  • Siemens SIPROTEC 4 7UT613
  • Siemens SIPROTEC 4 7UT63
  • Siemens SIPROTEC 4 7VE6
  • Siemens SIPROTEC 4 7VK61
  • Siemens SIPROTEC 4 7VU683
  • Siemens SIPROTEC 4 Compact 7RW80
  • Siemens SIPROTEC 4 Compact 7SD80
  • Siemens SIPROTEC 4 Compact 7SJ80
  • Siemens SIPROTEC 4 Compact 7SJ81
  • Siemens SIPROTEC 4 Compact 7SK80
  • Siemens SIPROTEC 4 Compact 7SK81

Classification

Weakness
  • CWE-754 Improper Check for Unusual or Exceptional Conditions

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.