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".
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Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2023-11-01. NVD baseline CVSS 7.5; sources differ by 0.0.
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".
November 1, 2023
November 21, 2024
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
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Working exploit code is in the public domain (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
This Python script is designed to exploit a security vulnerability in Bitrix24, leading to a Denial of Service (DoS) attack. The vulnerability, identified as CVE-2023-1718, allows an attacker to disrupt the normal operation of a Bitrix24 instance.
Open source ↗See which npm, PyPI, Go, and Maven packages are affected by CVE-2023-1718
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