Hitachi Energy MACH HiDraw up to 9.21 XML File heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Hitachi Energy MACH HiDraw up to 9.21. The impacted element is an unknown function of the component XML File Handler. This manipulation causes heap-based overflow. This vulnerability is tracked as CVE-2026-7310. The attack is restricted to local execution. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in Hitachi Energy MACH HiDraw up to 9.21 and classified as critical. Affected by this vulnerability is some unknown functionality of the component XML File Handler. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A heap-based buffer overflow vulnerability exists in XML parser functionality in the HiDraw. An authenticated malicious user with local access can exploit this vulnerability using a specially crafted XML file which may lead to memory corruption and potential arbitrary code execution. Successful exploitation could result in application crashes (denial of service) and compromise the confidentiality and integrity of the affected system.

It is possible to read the advisory at publisher.hitachienergy.com. This vulnerability is known as CVE-2026-7310 since 04/28/2026. The exploitation appears to be difficult. Attacking locally is a requirement. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 9.22 eliminates this vulnerability.

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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: 4.5
VulDB Meta Temp Score: 4.3

VulDB Base Score: 4.5
VulDB Temp Score: 4.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Partially

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: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: MACH HiDraw 9.22

Timelineinfo

04/28/2026 CVE reserved
05/26/2026 +28 days Advisory disclosed
05/26/2026 +0 days VulDB entry created
05/26/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: publisher.hitachienergy.com
Status: Confirmed

CVE: CVE-2026-7310 (🔒)
GCVE (CVE): GCVE-0-2026-7310
GCVE (VulDB): GCVE-100-365647

Entryinfo

Created: 05/26/2026 17:19
Changes: 05/26/2026 17:19 (67)
Complete: 🔍
Cache ID: 216::103

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