CVSS Score of 10 (low)


Published Jun 16, 2023
Updated: Jun 26, 2023
CWE ID 400


CVE-2023-2831, also known as Mattermost Markdown String Unescaping Vulnerability, affects various products including rkr3Vl, rkr3Vk, rEZdMO, rEZdMN, and others. This vulnerability allows an attacker to exploit Mattermost's failure to unescape Markdown strings in a memory-efficient manner. By sending a message containing a large number of escaped characters, the attacker can cause a Denial of Service (DoS) attack. The risk score for this vulnerability is 26 out of 100, indicating a medium level of severity. To remediate the issue, users are advised to update their affected products to the latest patched versions provided by Mattermost. This vulnerability poses a potential danger to organizations as it can disrupt the availability of the affected systems and impact communication within the organization using Mattermost.

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