{"id":"CVE-2022-36537","published":"2022-08-26T20:15:08Z","modified":"2026-06-17T04:53:38Z","title":"ZK Framework AuUploader Unspecified Vulnerability","vendor":"ZK Framework","product":"AuUploader","tier":"core","eol":null,"description":{"text":"ZK Framework v9.6.1, 9.6.0.1, 9.5.1.3, 9.0.1.2 and 8.6.4.1 allows attackers to access sensitive information via a crafted POST request sent to the component AuUploader.","provenance":"source","from":"NVD"},"summary":{"text":"The flaw is an unspecified vulnerability in the AuUploader component of ZK Framework. It is described as allowing access to sensitive information through a crafted POST request sent to that component. An attacker can exploit it over the network by sending a crafted POST request to AuUploader, requiring no authentication, no special configuration, and no user interaction.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-29T08:31:18Z"},"cvss":{"score":7.5,"severity":"HIGH","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","provenance":"source","from":"NVD"},"epss":{"score":0.95397,"percentile":0.99868,"date":"2026-10-29","provenance":"source"},"kev":{"dateAdded":"2023-02-27","dueDate":"2023-03-20","ransomware":true,"requiredAction":"Apply updates per vendor instructions.","notes":"https://tracker.zkoss.org/browse/ZK-5150;  https://nvd.nist.gov/vuln/detail/CVE-2022-36537","provenance":"source"},"vulncheckKev":{"dateAdded":"2023-02-14","exploitedFirstSeen":"2023-02-14","ransomware":true,"evidence":[{"url":"https://info.securin.io/hubfs/Securin%20Ransomware%20Report%202023.pdf","date":"2023-02-14"},{"url":"https://blog.fox-it.com/2023/02/22/from-backup-to-backdoor-exploitation-of-cve-2022-36537-in-r1soft-server-backup-manager/","date":"2023-02-22"},{"url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","date":"2023-02-27"},{"url":"https://www.rapid7.com/blog/post/2023/03/01/etr-active-exploitation-of-zk-framework-cve-2022-36537/","date":"2023-03-01"},{"url":"https://www.fortinet.com/blog/threat-research/lockbit-most-prevalent-ransomware","date":"2023-07-10"},{"url":"https://information.rapid7.com/rs/411-NAK-970/images/Rapid7-2023-Mid-Year-Threat-Review.pdf","date":"2023-08-17"},{"url":"https://www.rapid7.com/globalassets/_pdfs/research/rapid7_2024_attack_intelligence_report.pdf","date":"2024-05-21"},{"url":"https://blog.qualys.com/vulnerabilities-threat-research/2025/05/08/inside-lockbit-defense-lessons-from-the-leaked-lockbit-negotiations","date":"2025-05-08"}],"evidenceTotal":8,"provenance":"source"},"exploited":true,"otx":{"pulseCount":50,"pulses":[{"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"},{"name":"Actively_Exploited_Kev | Oct 18, 2026","url":"https://otx.alienvault.com/pulse/6ad38c22e1848f8189d1c121","created":"2026-10-17"}],"provenance":"machine"},"cwes":[{"id":"CWE-441","name":"Unintended Proxy or Intermediary"}],"references":[{"url":"https://tracker.zkoss.org/browse/ZK-5150","tags":["Issue Tracking","Patch","Vendor Advisory"]},{"url":"https://www.bleepingcomputer.com/news/security/cisa-warns-of-hackers-exploiting-zk-java-framework-rce-flaw/","tags":["Third Party Advisory"]},{"url":"https://tracker.zkoss.org/browse/ZK-5150","tags":["Issue Tracking","Patch","Vendor Advisory"]},{"url":"https://www.bleepingcomputer.com/news/security/cisa-warns-of-hackers-exploiting-zk-java-framework-rce-flaw/","tags":["Third Party Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-36537","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: Crafted POST request to public-facing component","mappingType":"exploitation_technique","evidence":[{"from":"description","quote":"allows attackers to access sensitive information via a crafted POST request","start":59,"end":134}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"},{"id":"T1005","name":"Data from Local System","tactics":["collection"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: Accesses sensitive information from the application","mappingType":"primary_impact","evidence":[{"from":"description","quote":"allows attackers to access sensitive information","start":59,"end":107}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"}],"reports":[],"affected":[{"ecosystem":"Maven","package":"org.zkoss.zk:zk","vulnerableRanges":["<8.6.4.2",">=9.0.0.0, <9.0.1.3",">=9.5.0.0, <9.5.1.4",">=9.6.0.0, <9.6.0.2",">=9.6.1, <9.6.2"],"patched":["8.6.4.2","9.0.1.3","9.5.1.4","9.6.0.2","9.6.2"],"from":["GHSA-6278-2q4m-cmf3"],"provenance":"source"}],"advisories":[{"id":"GHSA-6278-2q4m-cmf3","url":"https://github.com/advisories/GHSA-6278-2q4m-cmf3","severity":"HIGH","ecosystem":"Maven","package":"org.zkoss.zk:zk","vulnerableRanges":["<8.6.4.2"],"patched":["8.6.4.2"],"provenance":"source","from":"GHSA"},{"id":"GHSA-6278-2q4m-cmf3","url":"https://github.com/advisories/GHSA-6278-2q4m-cmf3","severity":"HIGH","ecosystem":"Maven","package":"org.zkoss.zk:zk","vulnerableRanges":[">=9.0.0.0, <9.0.1.3"],"patched":["9.0.1.3"],"provenance":"source","from":"GHSA"},{"id":"GHSA-6278-2q4m-cmf3","url":"https://github.com/advisories/GHSA-6278-2q4m-cmf3","severity":"HIGH","ecosystem":"Maven","package":"org.zkoss.zk:zk","vulnerableRanges":[">=9.5.0.0, <9.5.1.4"],"patched":["9.5.1.4"],"provenance":"source","from":"GHSA"},{"id":"GHSA-6278-2q4m-cmf3","url":"https://github.com/advisories/GHSA-6278-2q4m-cmf3","severity":"HIGH","ecosystem":"Maven","package":"org.zkoss.zk:zk","vulnerableRanges":[">=9.6.0.0, <9.6.0.2"],"patched":["9.6.0.2"],"provenance":"source","from":"GHSA"},{"id":"GHSA-6278-2q4m-cmf3","url":"https://github.com/advisories/GHSA-6278-2q4m-cmf3","severity":"HIGH","ecosystem":"Maven","package":"org.zkoss.zk:zk","vulnerableRanges":[">=9.6.1, <9.6.2"],"patched":["9.6.2"],"provenance":"source","from":"GHSA"}],"euvd":{"id":"EUVD-2022-6491","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2022-6491","exploited":true,"exploitedSince":"2023-02-27","provenance":"source"},"exploits":[],"exploitSources":{"pocGithub":{"count":2,"skipped":1,"earliest":"2022-12-09","earliestUrl":"https://github.com/agnihackers/CVE-2022-36537-EXPLOIT","repos":[{"name":"Malwareman007/CVE-2022-36537","url":"https://github.com/Malwareman007/CVE-2022-36537","stars":36,"created":"2022-12-09"},{"name":"agnihackers/CVE-2022-36537-EXPLOIT","url":"https://github.com/agnihackers/CVE-2022-36537-EXPLOIT","stars":9,"created":"2022-12-09"}]},"nuclei":[{"id":"CVE-2022-36537","name":"ZK Framework - Information Disclosure","severity":"high","path":"http/cves/2022/CVE-2022-36537.yaml","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2022/CVE-2022-36537.yaml"}],"first":{"date":"2022-12-09","source":"PoC-in-GitHub","url":"https://github.com/agnihackers/CVE-2022-36537-EXPLOIT"},"provenance":"source"},"exploitRefs":[],"flow":[{"stage":"exploitation","techniques":["T1190"],"provenance":"ai"},{"stage":"primary","techniques":["T1005"],"provenance":"ai"}],"timeline":[{"date":"2022-08-26","kind":"published","label":"Published (NVD)","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-36537","provenance":"source"},{"date":"2022-12-09","kind":"exploit-public","label":"First public exploit: PoC-in-GitHub","url":"https://github.com/agnihackers/CVE-2022-36537-EXPLOIT","provenance":"source"},{"date":"2023-02-14","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://info.securin.io/hubfs/Securin%20Ransomware%20Report%202023.pdf","provenance":"source"},{"date":"2023-02-27","kind":"kev","label":"Added to CISA KEV (known ransomware use)","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","provenance":"source"},{"date":"2023-02-27","kind":"euvd-exploited","label":"ENISA EUVD: exploited","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2022-6491","provenance":"source"}],"speed":{"daysToPublicExploit":105,"firstExploitFrom":"PoC-in-GitHub","daysToKev":185},"priority":{"score":78.2,"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 1353 days ago"},{"name":"Known ransomware use","points":10.0,"detail":"CISA KEV and VulnCheck KEV: Known"},{"name":"EPSS percentile","points":19.97,"detail":"percentile 0.9987"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":5.0,"detail":"2 PoC-in-GitHub repos; 1 nuclei template"},{"name":"Mentioned in OTX pulses","points":3.0,"detail":"50 pulses"},{"name":"CVSS severity","points":5.25,"detail":"base score 7.5"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}