CVE-2021-23262

Snakeyaml deserialization vulnerability bypass

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Published Dec 2, 2021 CVSS 3.1 · 4.2 Medium EPSS < 1% KEV · Not listed

Description

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

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Crafter Software

Crafter CMS

affected

Version	Status	Constraints
`3.1`	affected	< 3.1.13

Configuration 1 [-]

cpe:2.3:a:craftercms:crafter_cms:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2021-10361	Authenticated administrators may modify the main YAML configuration file and load a Java class resulting in RCE.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required High

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.643% probability within 30 days)

Key SSVC decision points have not yet been added.

References

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

History

No history.

Subscriptions

Craftercms Crafter Cms

Weaknesses

CWE-913

Sources

CVE record Updated: Sep 16, 2024, 9:57 PM

Status: PUBLISHED
Assigner: crafter
Published: Dec 2, 2021, 3:40 PM
Updated: Sep 16, 2024, 9:57 PM
Reserved: Jan 8, 2021, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 3:38 AM

Status: Modified
Published: Dec 2, 2021, 4:15 PM
Modified: Jun 17, 2026, 3:38 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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