Skip to content
Fencer Vulns
high 7.2

CVE-2024-2617 json

A vulnerability exists in the RTU500 that allows for authenticated and authorized users to bypass secure update, if secure update feature w…

published 2024-04-30 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-27566

cvss
7.2
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 52%
public exploits
0
none known

Summary

A vulnerability exists in the RTU500 that allows for authenticated and authorized users to bypass secure update,

if secure update feature was not enabled on all CMUs of a RTU500. If a malicious actor successfully exploits this vulnerability, they could use it to update the RTU500 with unsigned firmware.

Vendor advisories

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

cisa ICSA-25-023-02 updated cvss 7.2

Hitachi Energy RTU500 Series Product (Update B)

  • Hitachi Energy RTU500 series CMU Firmware vers:RTU500_series_CMU_Firmware/>=13.2.1, <=13.2.7, vers:RTU500_series_CMU_Firmware/>=13.4.1, <=13.4.4, vers:RTU500_series_CMU_Firmware/>=13.5.1, <=13.5.3
    affected: vendor fix

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
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

0.67% chance of exploitation in the next 30 days, higher than 52% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Hitachi Energy RTU500 series CMU firmware
  • hitachienergy rtu500_firmware

Classification

Weakness
  • CWE-358 Improperly Implemented Security Check for Standard

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.