CVE-2023-2621

MEDIUM
6.5
CVSS Score
Published: November 1, 2023 at 02:10 AM UTC
Updated: June 17, 2026 at 05:53 AM UTC
1 product affected across 1 vendorModular Advanced Control for Hvdc

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

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 This vulnerability stems from the use of an outdated version of a third-party library, which is used to extract archives uploaded to McFeeder server.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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

5.0 ≤ v < 7.17.0.05.0
Affected range stops below 7.17.0.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUMHitachi Energy
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-22

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