CVE-2021-47923 – OpenCart

CVSS 9.8 CRITICAL

“A single cookie can hand over full account control.”

This patch addresses a critical session fixation vulnerability in OpenCart 3.0.3.8 that allows attackers to hijack user sessions by injecting malicious OCSESSID cookie values. The server improperly accepts attacker-controlled session identifiers, enabling unauthorized access to user accounts without authentication.

CVE-2021-47923 has a CVSS score of 9.8, which is Critical severity. Proof-of-concept exploitation has been confirmed, making this issue highly actionable for attackers. The vulnerability can be exploited remotely with no user interaction, exposing affected systems to immediate account takeover risks.

Key Details

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
CWE Classification
CWE-290
Patch this CVE on all your endpoints in under 5 minutes. First 200 endpoints are free forever, scale as needed.