CVE-2021-35530

MEDIUMCVSS 6.7/10EPSS 0.21%

Last modified

CVE-2021-35530 is a medium-severity vulnerability rated 6.7/10 on the CVSS scale. A vulnerability in the application authentication and authorization mechanism in Hitachi Energy's TXpert Hub CoreTec 4, that depends on a token validation of the session identifier, allows an unauthorized modified message to be executed in the server enabling an unauthorized actor to change an existing user password, and further gain authorized access into the system via login mechanism. This issue affects: Hitachi Energy TXpert Hub CoreTec 4 version 2.0.0 2.1.0; 2.1.0; 2.1.1; 2.1.2; 2.1.3; 2.2.0; 2.2.1.. EPSS estimates a 0.21% chance of exploitation in the next 30 days.

Description

A vulnerability in the application authentication and authorization mechanism in Hitachi Energy's TXpert Hub CoreTec 4, that depends on a token validation of the session identifier, allows an unauthorized modified message to be executed in the server enabling an unauthorized actor to change an existing user password, and further gain authorized access into the system via login mechanism. This issue affects: Hitachi Energy TXpert Hub CoreTec 4 version 2.0.0 2.1.0; 2.1.0; 2.1.1; 2.1.2; 2.1.3; 2.2.0; 2.2.1.

Metrics

CVSS 3.1
6.7/10

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
0.21%

11.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
HitachienergyTxpert Hub Coretec 4 Firmware2.0.0
HitachienergyTxpert Hub Coretec 4 Firmware2.0.1
HitachienergyTxpert Hub Coretec 4 Firmware2.1.0
HitachienergyTxpert Hub Coretec 4 Firmware2.1.1
HitachienergyTxpert Hub Coretec 4 Firmware2.1.2
HitachienergyTxpert Hub Coretec 4 Firmware2.1.3
HitachienergyTxpert Hub Coretec 4 Firmware2.2.0
HitachienergyTxpert Hub Coretec 4 Firmware2.2.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-35530?
A vulnerability in the application authentication and authorization mechanism in Hitachi Energy's TXpert Hub CoreTec 4, that depends on a token validation of the session identifier, allows an unauthorized modified message to be executed in the server enabling an unauthorized actor to change an existing user password, and further gain authorized access into the system via login mechanism. This issue affects: Hitachi Energy TXpert Hub CoreTec 4 version 2.0.0 2.1.0; 2.1.0; 2.1.1; 2.1.2; 2.1.3; 2.2.0; 2.2.1.
How severe is CVE-2021-35530?
CVE-2021-35530 has a CVSS score of 6.7/10 (MEDIUM severity). The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.
How do I fix CVE-2021-35530?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-35530?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST