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Fencer Vulns
high 7.5

CVE-2023-35767 json

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

published 2023-11-08 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-39766

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 61%
public exploits
0
none known

Summary

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.

Patch / fix

  • Helix Helix Core 2021.2 Patch 10, 2022.1 Patch 6, 2022.2 Patch 3, 2023.1 Patch 2, 2023.2
  • Helix Helix Swarm 2024.1
  • perforce helix_core 2021.2\/patch_10\/, 2022.1\/patch_6\/, 2022.2\/patch_3\/, 2023.1\/patch_2\/

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.95% chance of exploitation in the next 30 days, higher than 61% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

  • Helix Helix Core
  • Helix Helix Swarm
  • perforce helix_core

Classification

Weakness
  • CWE-400 Uncontrolled Resource Consumption

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.