CVE-2023-5768

mediumpriority · track · 24EPSS 0.004 · 35 %ileDEEURUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.41% (35th) EPSS
CVSS 6.1 · medium
Is it mine?
56 products
Check your exposure
Who says so?
5 sources
cnnvd · enisa_euvd · fstec_bdu · cisa_csaf_ot

EPSS · scored 2026-10-27

A vulnerability exists in the HCI IEC 60870-5-104 that affects the RTU500 series product versions listed below. Incomplete or wrong received APDU frame layout may cause blocking on link layer. Error reason was an endless blocking when reading incoming frames on link layer with wrong length information of APDU or delayed reception of data octets. Only communication link of affected HCI IEC 60870-5-104 is blocked. If attack sequence stops the communication to the previously attacked link gets normal again.

01

remediations

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

A vendor fix is available.

  • FixedRTU500 series Productcisa_csaf_ot

    Update to the respective series fixed versions - 12.0.15, 12.2.12, 12.4.12, 12.6.10, 12.7.7, 13.2.7, 13.4.4 (or 13.5.1)

02

cvss

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

6.1
010

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

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 2.7
v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:Nsecondary · CISA US
v3.15.9mediumAV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU
v3.15.9mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · ENISA EU
v3.15.9mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · cybersecurity@hitachienergy.comexploitability 2.2 · impact 3.6
v3.15.6mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USprimaryCWE-1285USCWE-79US
04

affected products (56)

Products and version ranges known to be affected.

showing 20 of 56
05

advisories (2)

Vendor and ecosystem advisories describing this.

  • WID-SEC-W-2023-3055Hitachi Energy RTU500: Mehrere SchwachstellenDeutsch2023-12-04csaf · cert_bundDE

    Ein entfernter Angreifer kann mehrere Schwachstellen in Hitachi Energy RTU500 ausnutzen, um einen Cross-Site-Scripting-Angriff zu starten oder einen Denial-of-Service-Zustand zu verursachen.

  • ICSA-25-128-02Hitachi Energy RTU500 series2023-11-28icsa · cisa_csaf_otUS

    Hitachi Energy is aware of the vulnerabilities CVE-2023-5767, CVE-2023-5768 and CVE-2023-5769 in the Web server and HCI IEC 60870-5-104 component, that affects the RTU500 versions that are listed below. An at- tacker successfully exploiting these vulnerabilities could perform cross-site scripting on web server or denial of service on HCI IEC 60870-5-104. Please refer to the Recommended Immediate Actions for information about the available mitigation/remediation strategies.

06

also known as (4)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

cnnvdenisa_euvdfstec_bducisa_csaf_otcert_bundNVDCVE.orgMITRE
published 2023-12-04modified 2026-06-17
09

references (3)

External citations — patches, advisories, analysis.

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