CVE-2024-11680
ProjectSend Improper Authentication Vulnerability
ProjectSend ProjectSend
ProjectSend versions prior to r1720 are affected by an improper authentication vulnerability. Remote, unauthenticated attackers can exploit this flaw by sending crafted HTTP requests to options.php, enabling unauthorized modification of the application's configuration. Successful exploitation allows attackers to create accounts, upload webshells, and embed malicious JavaScript.
Exploitation status
CISA Known Exploited Vulnerabilities
Listed by CISA on 3 December 2024. US federal agencies were required to remediate it by 24 December 2024.
EPSS — exploitation probability
FIRST puts the probability of exploitation activity in the next 30 days at 91.8%, which is higher than 99.8% of all scored vulnerabilities. EPSS is a forecast of activity, not a measure of severity, and it is rescored daily.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Frequently asked questions
Is CVE-2024-11680 being exploited by ransomware groups?
No ransomware group in this database is currently recorded as exploiting CVE-2024-11680.
What does CVE-2024-11680 affect?
CVE-2024-11680 affects ProjectSend ProjectSend. ProjectSend versions prior to r1720 are affected by an improper authentication vulnerability. Remote, unauthenticated attackers can exploit this flaw by sending crafted HTTP requests to options.php, enabling unauthorized modification of the application's configuration. Successful exploitation allows attackers to create accounts, upload webshells, and embed malicious JavaScript.
How severe is CVE-2024-11680?
CVE-2024-11680 is rated CRITICAL with a CVSS base score of 9.8. EPSS puts the probability of exploitation in the next 30 days at 91.8%, higher than 99.8% of all scored vulnerabilities. It is listed in the CISA Known Exploited Vulnerabilities catalog, with a federal remediation deadline of 24 December 2024.
How should organisations respond to CVE-2024-11680?
Apply the vendor patch for ProjectSend ProjectSend as the first priority, and treat any internet-facing instance as the most urgent. Because this vulnerability is associated with ransomware activity, also review whether the affected systems were reachable before patching, rather than assuming that patching alone closes the incident.