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Fencer Vulns
high 8.8

CVE-2023-5839 json

Privilege Chaining in hestiacp/hestiacp

published 2023-10-29 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-58121

cvss
8.8
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 23%
public exploits
0
none known

Summary

Privilege Chaining in GitHub repository hestiacp/hestiacp prior to 1.8.9.

Patch / fix

  • hestiacp hestiacp/hestiacp 1.8.9
  • hestiacp hestiacp 1.8.9

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

0.30% chance of exploitation in the next 30 days, higher than 23% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • huntr.com https://huntr.com/bounties/21125f12-64a0-42a3-b218-26b9945a5bc0 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 8.8 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

  • hestiacp hestiacp/hestiacp
  • hestiacp hestiacp

Classification

Weakness

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.