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Fencer Intel
medium 4.3

CVE-2024-42164 json

Disabling MFA without Authentication

published 2y ago modified 4mo ago also EUVD-2024-39454

cvss
4.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 29%
public exploits
0
none known

Summary

Insufficiently random values for generating password reset token in FIWARE Keyrock <= 8.4 allow attackers to disable two factor authorization of any user by predicting the token for the disable_2fa link.

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2y ago

Exploit prediction

0.36% chance of exploitation in the next 30 days, higher than 29% of all scored CVEs (FIRST EPSS, 2026-11-11).

Exploits and checks

  • ait.ac.at https://www.ait.ac.at/themen/cyber-security/pentesting/security-advisories referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
NVD 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Affected products

  • FIWARE FIWARE Keyrock

Classification

Weakness
  • CWE-287 Improper Authentication
  • CWE-330 Use of Insufficiently Random Values

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.