CVE-2023-35767

Unauthenticated Remote Denial-of-Service via Shutdown Function in Helix Core

HIGH
7.5
CVSS Score
Published: November 8, 2023 at 03:31 PM UTC
Updated: June 17, 2026 at 06:05 AM UTC
2 products affected across 2 vendorsHelix CoreHelix Core

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Severity
HIGH7.5
Exploit prediction
EPSS 0.9%
SSVC
No known exploit

Description

In Helix Core versions prior to 2023.2, an unauthenticated remote Denial of Service (DoS) via the shutdown function was identified. Reported by Jason Geffner.

Affected

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

v < 2023.1/patch_2/v < 2023.20.0.0 ≤ v < 2021.2/patch_10/0.0.0 ≤ v < 2022.1/patch_6/0.0.0 ≤ v < 2022.2/patch_3/0.0.0
Affected range stops below 2021.2/patch_10/, so it looks safe — our inference, not a vendor statement
Affected range stops below 2022.1/patch_6/, so it looks safe — our inference, not a vendor statement
Affected range stops below 2022.2/patch_3/, so it looks safe — our inference, not a vendor statement
Affected range stops below 2023.1/patch_2/, so it looks safe — our inference, not a vendor statement
Affected range stops below 2023.2, so it looks safe — our inference, not a vendor statement
0.0.0 ≤ v < 2021.2 Patch 100.0.0 ≤ v < 2022.1 Patch 60.0.0 ≤ v < 2022.2 Patch 30.0.0 ≤ v < 2023.1 Patch 20.0.0 ≤ v < 2023.20.0.0 ≤ v < 2024.10.0.0
Affected range stops below 2021.2 Patch 10, so it looks safe — our inference, not a vendor statement
Affected range stops below 2022.1 Patch 6, so it looks safe — our inference, not a vendor statement
Affected range stops below 2022.2 Patch 3, so it looks safe — our inference, not a vendor statement
Affected range stops below 2023.1 Patch 2, so it looks safe — our inference, not a vendor statement
Affected range stops below 2023.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 2024.1, 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:

Patch and advisory references

References (1)

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

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

CVSS

7.5HIGHPerforce
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-400

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