{"id":"CVE-2023-29492","published":"2023-04-11T05:15:07Z","modified":"2026-06-17T05:50:13Z","title":"Novi Survey Insecure Deserialization Vulnerability","vendor":"Novi Survey","product":"Novi Survey","tier":"core","eol":null,"description":{"text":"Novi Survey before 8.9.43676 allows remote attackers to execute arbitrary code on the server in the context of the service account. This does not provide access to stored survey or response data.","provenance":"source","from":"NVD"},"summary":{"text":"Novi Survey versions before 8.9.43676 contain an insecure deserialization flaw in the server-side component, which is classified as improper control of code generation (code injection). A remote attacker with no authentication and no required user interaction can execute arbitrary code on the server under the service account's privileges, though this does not grant access to stored survey or response data.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-23T07:13:40Z"},"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":0.0269,"percentile":0.85877,"date":"2026-10-31","provenance":"source"},"kev":{"dateAdded":"2023-04-13","dueDate":"2023-05-04","ransomware":false,"requiredAction":"Apply updates per vendor instructions.","notes":"https://novisurvey.net/blog/novi-survey-security-advisory-apr-2023.aspx; https://nvd.nist.gov/vuln/detail/CVE-2023-29492","provenance":"source"},"vulncheckKev":{"dateAdded":"2023-04-13","exploitedFirstSeen":"2023-04-13","ransomware":false,"evidence":[{"url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","date":"2023-04-13"},{"url":"https://www.cisa.gov/sites/default/files/2024-11/aa24-317a-2023-top-routinely-exploited-vulnerabilities.pdf","date":"2024-11-12"},{"url":"https://www.cyber.gov.au/about-us/view-all-content/alerts-and-advisories/2023-top-routinely-exploited-vulnerabilities","date":"2024-11-13"}],"evidenceTotal":3,"provenance":"source"},"exploited":true,"otx":null,"cwes":[{"id":"CWE-94","name":"Improper Control of Generation of Code"}],"references":[{"url":"https://novisurvey.net/blog/novi-survey-security-advisory-apr-2023.aspx","tags":["Vendor Advisory"]},{"url":"https://novisurvey.net/blog/novi-survey-security-advisory-apr-2023.aspx","tags":["Vendor Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-29492","tags":["US Government Resource"]}],"techniques":[{"id":"T1190","name":"Exploit Public-Facing Application","tactics":["initial-access"],"provenance":"source","basis":"ctid-kev","bases":["ctid-kev"],"basisDetail":"CTID Mappings Explorer KEV 07/28/2025 (ATT&CK 16.1); capability: Deserialization of Untrusted Data","mappingType":"exploitation_technique","evidence":[],"comment":"CVE-2023-29492 is an insecure deserialization vulnerability. Exploitation of this vulnerability gives remote attackers arbitrary code execution in the context of the service account.","confidence":"high"}],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2023-33059","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2023-33059","exploited":true,"exploitedSince":"2023-04-13","provenance":"source"},"exploits":[],"exploitSources":null,"exploitRefs":[],"flow":[{"stage":"exploitation","techniques":["T1190"],"provenance":"source"}],"timeline":[{"date":"2023-04-11","kind":"published","label":"Published (NVD)","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-29492","provenance":"source"},{"date":"2023-04-13","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","provenance":"source"},{"date":"2023-04-13","kind":"kev","label":"Added to CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","provenance":"source"},{"date":"2023-04-13","kind":"euvd-exploited","label":"ENISA EUVD: exploited","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2023-33059","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":2},"priority":{"score":59.0,"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 1298 days ago"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":17.18,"detail":"percentile 0.8588"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":0.0,"detail":"none found"},{"name":"Mentioned in OTX pulses","points":0.0,"detail":"0 pulses"},{"name":"CVSS severity","points":6.86,"detail":"base score 9.8"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}