CVE-2023-1718 is a critical denial-of-service vulnerability affecting Bitrix24 versions 22.0.300 and earlier. This flaw, stemming from improper file stream access in the /desktop_app/file.ajax.php?action=uploadfile endpoint, allows unauthenticated remote attackers to disrupt service by sending a specially crafted "tmp_url". With a CVSS score of 7.5 (HIGH), this vulnerability is easily exploitable over the network with low attack complexity, leading to a complete loss of availability. While there is no evidence of active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion and media coverage, indicating awareness and potential for future exploitation.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
22.0.300CPE matchmatch criteria | cpe:2.3:a:bitrix24:bitrix24:22.0.300:*:*:*:*:*:*:* | ||
>= 0, <= 22.0.300CPE match | cpe:2.3:a:bitrix24:bitrix24:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.