SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2024-11680

ProjectSend Improper Authentication Vulnerability

KEVCRITICAL 9.8EPSS 91.7%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 24 December 2024). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

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.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
91.70% probability · 100th percentile
CISA KEV
Listed 3 December 2024 · due 24 December 2024
Weakness
CWE-306
Affected
projectsend/projectsend
Source
disclosure@vulncheck.com

CISA notes

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. https://github.com/projectsend/projectsend/commit/193367d937b1a59ed5b68dd4e60bd53317473744 ; https://nvd.nist.gov/vuln/detail/CVE-2024-11680

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.