What’s Vulnerable › Vulnerabilities
CVE-2023-1718: Bitrix24 Denial-of-Service (DoS) via Improper File Stream Access
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 24.1% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2023-11-01 · updated 2026-06-17
- Weakness: CWE-835
Description
Improper file stream access in /desktop_app/file.ajax.php?action=uploadfile in Bitrix24 22.0.300 allows unauthenticated remote attackers to cause denial-of-service via a crafted "tmp_url".
Affected products
- Bitrix24: 22.0.300
References
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