CVE-2024-11680

Name: CVE-2024-11680
Creator: NVD / NIST
Published: 2024-11-26T10:15:04.54+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10Actively ExploitedEPSS 91.56%

Last modified Jun 17, 2026

CVE-2024-11680 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. CISA has confirmed active exploitation in the wild. EPSS estimates a 91.56% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

91.56%

99.8th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by Dec 24, 2024.

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Projectsend	Projectsend	< r1720

References

https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/projectsend-auth-bypass.yamlBroken Link, Third Party Advisory
https://github.com/projectsend/projectsend/commit/193367d937b1a59ed5b68dd4e60bd53317473744Patch
https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/projectsend_unauth_rce.rbExploit
https://vulncheck.com/advisories/projectsend-bypassThird Party Advisory
https://www.synacktiv.com/sites/default/files/2024-07/synacktiv-projectsend-multiple-vulnerabilities.pdfMitigation, Technical Description, Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-11680US Government Resource

Timeline

Published: Nov 26, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-11680?

How severe is CVE-2024-11680?

CVE-2024-11680 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 91.56% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.

How do I fix CVE-2024-11680?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-11680?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST