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Fencer Intel
medium 6.5

CVE-2021-39458 json

Triggering an error page of the import process in Yakamara Media Redaxo CMS version 5.12.1 allows an authenticated CMS user has to alternat…

published 5y ago modified 4mo ago also EUVD-2021-25816

cvss
6.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 68%
public exploits
0
none known

Summary

Triggering an error page of the import process in Yakamara Media Redaxo CMS version 5.12.1 allows an authenticated CMS user has to alternate the files of a vaild file backup. This leads of leaking the database credentials in the environment variables.

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Exploit prediction

1.19% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/evildrummer/CVE-2021-XYZ2 referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/evildrummer/MyOwnCVEs/tree/main/CVE-2021-39458 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 4.0 AV:N/AC:L/Au:S/C:P/I:N/A:N

Classification

Weakness
  • CWE-209 Generation of Error Message Containing Sensitive Information

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.