CVE-2024-11680: ProjectSend Improper Authentication Vulnerability
- Is it exploited?
Yes. CISA added it to the Known Exploited Vulnerabilities catalog on 3 Dec 2024, 7 days after the CVE record was published.
- How likely is exploitation in the next 30 days?
- 91.8%
EPSS score, percentile 99.8 of all scored records
- How severe?
- 9.8 Critical
CVSS v3.1 base score, given by the CNA
- What should I do?
CISA deadline 24 Dec 2024. Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- Which versions are affected?
Affected
- before r1720
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
What to do
Required action, set by CISA
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CISA due date for this action: 24 December 2024.
Advisories and patches
Linked from CISA's catalog entry
- https://github.com/projectsend/projectsend/commit/193367d937b1a59ed5b68dd4e60bd53317473744
- https://nvd.nist.gov/vuln/detail/CVE-2024-11680
Affected products and versions
As listed in the CVE record.
| Status | Versions |
|---|---|
| Affected | before r1720 |
Versions not listed are: unaffected.
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
About this vulnerability
ProjectSend contains an improper authentication vulnerability that allows a remote, unauthenticated attacker to enable unauthorized modification of the application's configuration via crafted HTTP requests to options.php. Successful exploitation allows attackers to create accounts, upload webshells, and embed malicious JavaScript.
Summary: CISA's KEV catalog, as of 28 Oct 2026.
- CISA added CVE-2024-11680 to its Known Exploited Vulnerabilities (KEV) catalog on 3 Dec 2024.
- CISA's ransomware flag for this entry is "Unknown": no evidence of ransomware use in the catalog, which is not proof of none.
- The due date CISA sets for the required action is 24 Dec 2024.
- The CVE record was published on 26 Nov 2024, 7 days before it was added to KEV.
- The CVE record carries a CVSS v3.1 base score of 9.8 (Critical), given by its CNA.
- FIRST's EPSS model puts the probability of exploitation in the next 30 days at 91.8% (percentile 99.8), as of 28 Oct 2026.
- CISA's SSVC assessment in the CVE record: exploitation active, automatable yes, technical impact total.
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026. About the data.
Description
ProjectSend Unauthenticated Configuration Modification
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.
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
Weakness
Attack patterns (CAPEC)
- CAPEC-114: Authentication Abuse
CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record and the KEV entry.
Timeline
| Date | Event |
|---|---|
| 26 Nov 2024 | CVE record published |
| 3 Dec 2024 | Added to CISA KEV |
| 24 Dec 2024 | CISA due date for the required action |
| 14 Jul 2026 | CVE record last updated |