CVE-2021-23262

Snakeyaml deserialization vulnerability bypass

Description

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

Category

4.2
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.55%
Vendor Advisory craftercms.org
Affected: Crafter Software Crafter CMS
Published at:
Updated at:

References

Link Tags
https://docs.craftercms.org/en/3.1/security/advisory.html#cv-2021120105 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-23262?
CVE-2021-23262 has been scored as a medium severity vulnerability.
How to fix CVE-2021-23262?
To fix CVE-2021-23262, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-23262 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-23262 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-23262?
CVE-2021-23262 affects Crafter Software Crafter CMS.
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