What is CVE-2023-5966?

CVE-2023-5966 is a medium-severity vulnerability in Espocrm, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 4.7/10. Published 2023-11-30.

How severe is CVE-2023-5966?

Medium severity. CVSS v3 base score is 4.7 out of 10.

Is CVE-2023-5966 known to be exploited?

5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Arbitrary file upload in Espocrm

CVE-2023-5966

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.

Vulnerability class: Unrestricted File Upload

EPSS: 0.004 (63.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L.

Affected products

Espocrm — versions 0

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

Public proof-of-concept exploits

References

www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-espocrm

Frequently asked questions

What is CVE-2023-5966?: CVE-2023-5966 is a medium-severity vulnerability in Espocrm, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 4.7/10. Published 2023-11-30.
How severe is CVE-2023-5966?: Medium severity. CVSS v3 base score is 4.7 out of 10.
Is CVE-2023-5966 known to be exploited?: 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.