CVE-2021-23262

CVE-2021-23262 is a medium-severity vulnerability in Craftercms Crafter Cms with a CVSS 3.x base score of 4.2. 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-913.

Key facts

Description

Authenticated administrators may modify the main YAML configuration file and load a Java class resulting in RCE.

Frequently asked questions

What is CVE-2021-23262?
Authenticated administrators may modify the main YAML configuration file and load a Java class resulting in RCE.
How severe is CVE-2021-23262?
CVE-2021-23262 has a CVSS 3.x base score of 4.2, rated medium severity. It is exploitable over network with high attack complexity, requires high privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2021-23262 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-23262?
CVE-2021-23262 affects Craftercms Crafter Cms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-23262?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-23262 published?
CVE-2021-23262 was published on 2021-12-02 and last updated on 2026-06-17.

References

Affected products (1)

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