CVE-2023-5966

Unrestricted Upload of File with Dangerous Type in EspoCRM

Description

An authenticated privileged attacker could upload a specially crafted zip to the EspoCRM server in version 7.2.5, via the extension deployment form, which could lead to arbitrary PHP code execution.

Remediation

Solution:

  • Users with administrator profile can load extensions and updates by design, as this is a functionality that most users use and request. It is possible to restrict exploitation of the vulnerability by enabling the "restrictedMode" option in the configuration menu.

Category

9.1
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 0.89% Top 30%
Third-Party Advisory incibe.es
Affected: EspoCRM EspoCRM
Published at:
Updated at:

References

Link Tags
https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-espocrm third party advisory

Frequently Asked Questions

What is the severity of CVE-2023-5966?
CVE-2023-5966 has been scored as a critical severity vulnerability.
How to fix CVE-2023-5966?
To fix CVE-2023-5966: Users with administrator profile can load extensions and updates by design, as this is a functionality that most users use and request. It is possible to restrict exploitation of the vulnerability by enabling the "restrictedMode" option in the configuration menu.
Is CVE-2023-5966 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-5966 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-2023-5966?
CVE-2023-5966 affects EspoCRM EspoCRM.
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