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Fencer Intel
critical 9.8

CVE-2024-6890 json

Journyx Unauthenticated Password Reset Bruteforce

published 2y ago modified 4mo ago also EUVD-2024-47879

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 54%
public exploits
0
none known

Summary

Password reset tokens are generated using an insecure source of randomness. Attackers who know the username of the Journyx installation user can bruteforce the password reset and change the administrator password.

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CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
total
Assessed
2y ago

Exploit prediction

0.72% chance of exploitation in the next 30 days, higher than 54% of all scored CVEs (FIRST EPSS, 2026-11-11).

Exploits and checks

  • korelogic.com https://korelogic.com/Resources/Advisories/KL-001-2024-007.txt referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Journyx Journyx (jtime)
  • journyx journyx

Classification

Weakness
  • CWE-321 Use of Hard-coded Cryptographic Key
  • CWE-334 Small Space of Random Values
  • CWE-799 Improper Control of Interaction Frequency
  • CWE-798 Use of Hard-coded Credentials

References

Sources

Fencer Intel 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.