CVE-2024-11499

mediumpriority · track · 0EPSS 0.002 · 16 %ileDEEUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.25% (16th) EPSS
CVSS 4.9 · medium
Is it mine?
28 products
Check your exposure
Who says so?
4 sources
cnnvd · enisa_euvd · cert_bund · cisa_csaf_ot

EPSS · scored 2026-10-27

A vulnerability exists in RTU500 IEC 60870-4-104 controlled station functionality, that allows an authenticated and authorized attacker to perform a CMU restart. The vulnerability can be triggered if certificates are updated while in use on active connections. The affected CMU will automatically recover itself if an attacker successfully exploits this vulnerability.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

  • FixedCMU Firmwarecisa_csaf_ot

    Update to CMU Firmware version 13.5.4

  • MitigationCMU Firmwarecisa_csaf_ot

    For all versions, apply General Mitigation Factors/Workarounds. Upgrade the system once remediated version in available, or apply general mitigation factors.

02

cvss

Technical severity, 0–10. One row per scoring source.

6.9
010

base score 0–10 · higher = more severe · hover a vector to decode

v3.14.9mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:Hsecondary · CISA US
v3.14.9mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:Hsecondary · cybersecurity@hitachienergy.comexploitability 1.2 · impact 3.6
v4.06.9mediumCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/R:Asecondary · ENISA EU
v4.06.9mediumCVSS:4.0/AV:N/AC:L/AT:N/PR:H/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:A/V:X/RE:X/U:Xsecondary · cybersecurity@hitachienergy.com
v4.04.6mediumCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/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:A/V:X/RE:X/U:Xsecondary · CVSS-BT (t0sche)
03

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS
04

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-476USCWE-476US
05

affected products (28)

Products and version ranges known to be affected.

showing 20 of 28
06

advisories (2)

Vendor and ecosystem advisories describing this.

  • WID-SEC-W-2025-0637Hitachi Energy RTU500: Mehrere Schwachstellen ermöglichen Denial of ServiceDeutsch2025-03-25csaf · cert_bundDE

    Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in Hitachi Energy RTU500 ausnutzen, um einen Denial-of-Service-Zustand zu erzeugen.

  • ICSA-25-093-01Hitachi Energy RTU500 Series (Update B)2025-03-25icsa · cisa_csaf_otUS

    Hitachi Energy is aware of the vulnerabilities, CVE-2024-10037, CVE-2024-11499, CVE-2024-12169, and CVE-2025-1445 in the RTU500 Web server component, the IEC 60870-5-104 controlled station implementation and IEC 61850 implementation, that affects the RTU500 versions that are listed below. An attacker successfully exploiting these vulnerabilities could trigger a restart of a RTU500 CMU. Please refer to the Recom-mended Immediate Actions for information about the available mitigation/remediation strategies.

07

also known as (3)

Other names and identifiers for this entity.

08

sources

Which sources assert this record, and when.

cnnvdenisa_euvdcert_bundcisa_csaf_otNVDCVE.orgMITRE
published 2025-03-25modified 2026-06-17
09

references (5)

External citations — patches, advisories, analysis.

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