Is CVE-2021-23259 in the CISA KEV catalog?

No. CVE-2021-23259 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-23259?

CVE-2021-23259 has a CVSS v3 base score of 4.2 (MEDIUM).

What is the EPSS score for CVE-2021-23259?

CVE-2021-23259 has an EPSS score of 0.70% (49th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-23259?

Upgrade crafter cms to 3.1.12 or later.

CVE & CISA-KEV Catalog

CVE-2021-23259

MEDIUM

4.2

CVSS v3

NVD

Description

Authenticated users with Administrator or Developer roles may execute OS commands by Groovy Script which uses Groovy lib to render a webpage. The groovy script does not have security restrictions, which will cause attackers to execute arbitrary commands remotely(RCE).

CWE-913

How to fix

Remediation Available

crafter cmsNVD

Affected:>= 3.1.0, < 3.1.12Fixed in:3.1.12CVE-2021-23259derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredHigh

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:H

Exploit Intelligence

0.70%probability of exploitation in 30 days

49thpercentile

Moderate risk: more likely to be exploited than 49% of all known CVEs.

References

Vendor Advisory1

docs.craftercms.org

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.