Arbitrary file upload in Bitrix24

CVE-2023-1713

Insecure temporary file creation in bitrix/modules/crm/lib/order/import/instagram.php in Bitrix24 22.0.300 hosted on Apache HTTP Server allows remote authenticated attackers to execute arbitrary code via uploading a crafted ".htaccess" file.

Vulnerability class: Unrestricted File Upload

EPSS: 0.012 (65.9th 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-2023-1713?
CVE-2023-1713 is a high-severity vulnerability in Bitrix24, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2023-11-01.
How severe is CVE-2023-1713?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2023-1713 known to be exploited?
4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.