{"id":"CVE-2024-11680","published":"2024-11-26T10:15:04Z","modified":"2026-07-14T23:17:13Z","title":"ProjectSend Improper Authentication Vulnerability","vendor":"ProjectSend","product":"ProjectSend","tier":"core","eol":null,"description":{"text":"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.","provenance":"source","from":"NVD"},"summary":{"text":"ProjectSend (versions prior to r1720) contains an improper authentication flaw in its options.php endpoint, which governs the application's configuration. An unauthenticated remote attacker can exploit it by sending crafted HTTP requests to modify the application's settings, which can lead to creating accounts, uploading webshells, and embedding malicious JavaScript, with no user interaction or prior authentication required.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-30T13:35:57Z"},"cvss":{"score":9.8,"severity":"CRITICAL","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","provenance":"source","from":"NVD"},"epss":{"score":0.91849,"percentile":0.99816,"date":"2026-10-29","provenance":"source"},"kev":{"dateAdded":"2024-12-03","dueDate":"2024-12-24","ransomware":false,"requiredAction":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","notes":"https://github.com/projectsend/projectsend/commit/193367d937b1a59ed5b68dd4e60bd53317473744 ; https://nvd.nist.gov/vuln/detail/CVE-2024-11680","provenance":"source"},"vulncheckKev":{"dateAdded":"2024-11-26","exploitedFirstSeen":"2024-11-26","ransomware":false,"evidence":[{"url":"https://vulncheck.com/blog/projectsend-exploited-itw","date":"2024-11-26"},{"url":"https://www.cve.org/CVERecord?id=CVE-2024-11680","date":"2024-11-26"},{"url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","date":"2024-12-03"},{"url":"https://www.fortiguard.com/threat-signal-report/5598/projectsend-improper-authentication-vulnerability-cve-2024-11680","date":"2024-12-04"}],"evidenceTotal":4,"provenance":"source"},"exploited":true,"otx":{"pulseCount":50,"pulses":[{"name":"Actively_Exploited_Kev | Oct 30, 2026","url":"https://otx.alienvault.com/pulse/6ae35d889ea92b4ce19c2680","created":"2026-10-29"},{"name":"Actively_Exploited_Kev | Oct 29, 2026","url":"https://otx.alienvault.com/pulse/6ae20c1db17e7057ae7d9ad1","created":"2026-10-28"},{"name":"Actively_Exploited_Kev | Oct 28, 2026","url":"https://otx.alienvault.com/pulse/6ae0ba7e0e2a97ff7b218819","created":"2026-10-27"},{"name":"Actively_Exploited_Kev | Oct 27, 2026","url":"https://otx.alienvault.com/pulse/6adf68b85c3e852f3c111d18","created":"2026-10-26"},{"name":"Actively_Exploited_Kev | Oct 24, 2026","url":"https://otx.alienvault.com/pulse/6adb740e397c3ad4799aa4cd","created":"2026-10-23"},{"name":"Actively_Exploited_Kev | Oct 23, 2026","url":"https://otx.alienvault.com/pulse/6ada236fcfba2dfa730ea482","created":"2026-10-22"},{"name":"Actively_Exploited_Kev | Oct 22, 2026","url":"https://otx.alienvault.com/pulse/6ad8d33a077cbb5cab524d80","created":"2026-10-21"},{"name":"Actively_Exploited_Kev | Oct 21, 2026","url":"https://otx.alienvault.com/pulse/6ad78130c4d1ac2be83a8b6d","created":"2026-10-20"},{"name":"Actively_Exploited_Kev | Oct 20, 2026","url":"https://otx.alienvault.com/pulse/6ad62f63c24a405a3423cc13","created":"2026-10-19"},{"name":"Actively_Exploited_Kev | Oct 19, 2026","url":"https://otx.alienvault.com/pulse/6ad4dda174e5797d0bd238b7","created":"2026-10-18"}],"provenance":"machine"},"cwes":[{"id":"CWE-306","name":"Missing Authentication for Critical Functionality"},{"id":"CWE-287","name":"Improper Authentication"}],"references":[{"url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/projectsend-auth-bypass.yaml","tags":["Broken Link","Third Party Advisory"]},{"url":"https://github.com/projectsend/projectsend/commit/193367d937b1a59ed5b68dd4e60bd53317473744","tags":["Patch"]},{"url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/projectsend_unauth_rce.rb","tags":["Exploit"]},{"url":"https://vulncheck.com/advisories/projectsend-bypass","tags":["Third Party Advisory"]},{"url":"https://www.synacktiv.com/sites/default/files/2024-07/synacktiv-projectsend-multiple-vulnerabilities.pdf","tags":["Mitigation","Technical Description","Third Party Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-11680","tags":["US Government Resource"]}],"techniques":[{"id":"T1190","name":"Exploit Public-Facing Application","tactics":["initial-access"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: Unauthenticated HTTP requests to public-facing web application","mappingType":"exploitation_technique","evidence":[{"from":"description","quote":"Remote, unauthenticated attackers can exploit this flaw by sending crafted HTTP requests to options.php","start":94,"end":197}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"},{"id":"T1098","name":"Account Manipulation","tactics":["persistence","privilege-escalation"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: Attackers create new application accounts","mappingType":"primary_impact","evidence":[{"from":"description","quote":"Successful exploitation allows attackers to create accounts","start":270,"end":329}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"},{"id":"T1505.003","name":"Web Shell","tactics":["persistence"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: Unauthorized config changes enable web shell deployment","mappingType":"primary_impact","evidence":[{"from":"description","quote":"enabling unauthorized modification of the application's configuration","start":199,"end":268}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"}],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2024-34152","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2024-34152","exploited":true,"exploitedSince":"2024-12-03","provenance":"source"},"exploits":[],"exploitSources":{"pocGithub":{"count":1,"skipped":0,"earliest":"2024-12-04","earliestUrl":"https://github.com/D3N14LD15K/CVE-2024-11680_PoC_Exploit","repos":[{"name":"D3N14LD15K/CVE-2024-11680_PoC_Exploit","url":"https://github.com/D3N14LD15K/CVE-2024-11680_PoC_Exploit","stars":12,"created":"2024-12-04"}]},"metasploit":[{"name":"ProjectSend r1295 - r1605 Unauthenticated Remote Code Execution","module":"exploit/linux/http/projectsend_unauth_rce","type":"exploit","disclosureDate":"2024-07-19","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/projectsend_unauth_rce.rb"}],"nuclei":[{"id":"CVE-2024-11680","name":"ProjectSend <= r1605 - Improper Authorization","severity":"critical","path":"http/cves/2024/CVE-2024-11680.yaml","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2024/CVE-2024-11680.yaml"}],"first":{"date":"2024-07-19","source":"Metasploit","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/projectsend_unauth_rce.rb"},"provenance":"source"},"exploitRefs":["https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/projectsend_unauth_rce.rb"],"flow":[{"stage":"exploitation","techniques":["T1190"],"provenance":"ai"},{"stage":"primary","techniques":["T1098","T1505.003"],"provenance":"ai"}],"timeline":[{"date":"2024-07-19","kind":"exploit-public","label":"First public exploit: Metasploit; later: PoC-in-GitHub 2024-12-04","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/projectsend_unauth_rce.rb","provenance":"source"},{"date":"2024-11-26","kind":"published","label":"Published (NVD)","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-11680","provenance":"source"},{"date":"2024-11-26","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://vulncheck.com/blog/projectsend-exploited-itw","provenance":"source"},{"date":"2024-12-03","kind":"kev","label":"Added to CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","provenance":"source"},{"date":"2024-12-03","kind":"euvd-exploited","label":"ENISA EUVD: exploited","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2024-34152","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":"Metasploit","daysToKev":7},"priority":{"score":69.8,"factors":[{"name":"In a KEV catalog","points":35.0,"detail":"listed in CISA KEV and VulnCheck KEV"},{"name":"Recent KEV listing","points":0.0,"detail":"added 703 days ago"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":19.96,"detail":"percentile 0.9982"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":5.0,"detail":"1 NVD reference tagged Exploit; 1 PoC-in-GitHub repo; 1 Metasploit module; 1 nuclei template"},{"name":"Mentioned in OTX pulses","points":3.0,"detail":"50 pulses"},{"name":"CVSS severity","points":6.86,"detail":"base score 9.8"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}