Veeam - Authentication Bypass (CVE-2024-29849)

CVE-2024-29849 is an authentication bypass vulnerability in Veeam Backup & Replication's Enterprise Manager, allowing unauthenticated attackers to log in as any user via the web interface. This flaw could be exploited to gain unauthorized access to sensitive backup management functions, potentially leading to data theft, manipulation, or disruption of backup operations.

CrowdSec has been tracking this vulnerability and its exploits since 19th of June 2024.

Based on data from the CrowdSec network, nearly all observed exploitation of CVE-2024-29849 is fully opportunistic, with attackers indiscriminately scanning the entire internet. These attacks are automated and lack any form of target selection or reconnaissance. Data from the CrowdSec community also indicates a gradual decrease in attacks targeting CVE-2024-29849. While still present in the wild, exploitation levels have dropped noticeably week-over-week. This may signal that the vulnerability is becoming less relevant or that defenses are improving fast enough for attackers to lose interest.

Attackers exploit CVE-2024-29849 by sending requests to the /api/sessionMngr/ endpoint to bypass authentication and impersonate arbitrary users in Veeam Backup Enterprise Manager.