How severe is CVE-2021-39458?

CVE-2021-39458 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-39458 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-39458?

CVE-2021-39458 affects Redaxo. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-39458?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-39458 published?

CVE-2021-39458 was published on 2021-09-09 and last updated on 2026-06-17.

CVE-2021-39458

CVE-2021-39458 is a medium-severity vulnerability in Redaxo with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-209.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-209
Affected product: Redaxo
Published: 2021-09-09
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2021-39458?: 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.
How severe is CVE-2021-39458?: CVE-2021-39458 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-39458 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-39458?: CVE-2021-39458 affects Redaxo. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-39458?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-39458 published?: CVE-2021-39458 was published on 2021-09-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:redaxo:redaxo:5.12.1:*:*:*:*:*:*:*

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