Arbitrary file upload in Salesagility Suitecrm

CVE-2021-42840

SuiteCRM before 7.11.19 allows remote code execution via the system settings Log File Name setting. In certain circumstances involving admin account takeover, logger_file_name can refer to an attacker-controlled PHP file under the web root…

Vulnerability class: Unrestricted File Upload

EPSS: 0.589 (99.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-42840?
CVE-2021-42840 is a high-severity vulnerability in Salesagility Suitecrm, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2021-10-22.
How severe is CVE-2021-42840?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2021-42840 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.