How severe is CVE-2018-17831?

CVE-2018-17831 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-17831 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-17831?

CVE-2018-17831 affects Redaxo. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-17831?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2018-17831 published?

CVE-2018-17831 was published on 2018-10-01 and last updated on 2026-06-17.

CVE-2018-17831

CVE-2018-17831 is a critical-severity vulnerability in Redaxo with a CVSS 3.x base score of 9.8. 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-89.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Redaxo
Published: 2018-10-01
Last modified: 2026-06-17

Description

In REDAXO before 5.6.3, a critical SQL injection vulnerability has been discovered in the rex_list class because of the prepareQuery function in core/lib/list.php, via the index.php?page=users/users sort parameter. Endangered was the backend and the frontend only if rex_list were used.

Frequently asked questions

What is CVE-2018-17831?: In REDAXO before 5.6.3, a critical SQL injection vulnerability has been discovered in the rex_list class because of the prepareQuery function in core/lib/list.php, via the index.php?page=users/users sort parameter. Endangered was the backend and the frontend only if rex_list were used.
How severe is CVE-2018-17831?: CVE-2018-17831 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-17831 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-17831?: CVE-2018-17831 affects Redaxo. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-17831?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-17831 published?: CVE-2018-17831 was published on 2018-10-01 and last updated on 2026-06-17.

References

Affected products (1)

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

More vulnerabilities in Redaxo

CVE-2018-18200 — Critical (CVSS 9.8): There is a SQL injection in Benutzerverwaltung in REDAXO before 5.6.4.
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