Hitachi Energy Relion REB500 up to 8.3.3.0 DAC Protocol privilege defined with unsafe actions

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Hitachi Energy Relion REB500 up to 8.3.3.0. It has been classified as problematic. The impacted element is an unknown function of the component DAC Protocol Handler. Performing a manipulation results in privilege defined with unsafe actions. This vulnerability is identified as CVE-2026-2460. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Hitachi Energy Relion REB500 up to 8.3.3.0. It has been classified as problematic. This affects an unknown code block of the component DAC Protocol Handler. The manipulation with an unknown input leads to a privilege defined with unsafe actions vulnerability. CWE is classifying the issue as CWE-267. A particular privilege, role, capability, or right can be used to perform unsafe actions that were not intended, even when it is assigned to the correct entity. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability exists in REB500 for an authenticated user with low-level privileges to access and alter the content of directories by using the DAC protocol that the user is not authorized to do so.

The advisory is shared at publisher.hitachienergy.com. This vulnerability is uniquely identified as CVE-2026-2460 since 02/13/2026. The exploitability is told to be difficult. It is possible to initiate the attack remotely. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 02/28/2026). MITRE ATT&CK project uses the attack technique T1068 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at EUVD (EUVD-2026-8465) and CERT Bund (WID-SEC-2026-0511). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Affected

  • Hitachi Energy Relion

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 5.0
VulDB Temp Score: 5.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 8.1
NVD Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Privilege defined with unsafe actions
CWE: CWE-267 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

02/13/2026 CVE reserved
02/24/2026 +11 days Advisory disclosed
02/24/2026 +0 days VulDB entry created
02/28/2026 +4 days VulDB entry last update

Sourcesinfo

Advisory: publisher.hitachienergy.com
Status: Confirmed

CVE: CVE-2026-2460 (🔒)
GCVE (CVE): GCVE-0-2026-2460
GCVE (VulDB): GCVE-100-347541
EUVD: 🔒
CERT Bund: WID-SEC-2026-0511 - Hitachi Energy Relion REB500: Mehrere Schwachstellen ermöglichen Privilegieneskalation

Entryinfo

Created: 02/24/2026 15:59
Updated: 02/28/2026 09:37
Changes: 02/24/2026 15:59 (64), 02/24/2026 21:19 (1), 02/25/2026 13:29 (7), 02/28/2026 09:37 (11)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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