CVE-2023-2621

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-11-01 · updated 2026-06-17
Weakness: CWE-22

Description

The McFeeder server (distributed as part of SSW package), is susceptible to an arbitrary file write vulnerability on the MAIN computer system. This vulnerability stems from the use of an outdated version of a third-party library, which is used to extract archives uploaded to McFeeder server. An authenticated malicious client can exploit this vulnerability by uploading a crafted ZIP archive via the network to McFeeder’s service endpoint.

Affected products

Hitachienergy Modular Advanced Control For Hvdc: from 5.0 before 7.17.0.0 — fixed in 7.17.0.0

How to fix

Upgrade to a fixed version: Hitachienergy Modular Advanced Control For Hvdc 7.17.0.0. Check the vendor advisory for mitigations.

References

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