{"id":"CVE-2023-43901","title":"Incorrect access control in the AdHoc User creation form of EMSigner v2.8.7 allows unauthenticated attackers to arbitrarily modify usernames and privileges by using the email address of a registered user.","summary":"Incorrect access control in the AdHoc User creation form of EMSigner v2.8.7 allows unauthenticated attackers to arbitrarily modify usernames and privileges by using the email address of a registered user.","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","cwe":["CWE-284"],"vendor":"emudhra","product":"emsigner","affected":["emsigner = 2.8.7"],"published":"2023-11-14","updated":"2026-08-27","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2023-43901","references":[{"url":"https://secpro.llc/EMSigner-CVE-1/","label":"cve@mitre.org"},{"url":"https://secpro.llc/EMSigner-CVE-1/","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.00467,"epssPercentile":0.3952,"ingestedAt":"2026-08-27T17:05:15.999Z","slug":"CVE-2023-43901","body":"## Overview\n\nIncorrect access control in the AdHoc User creation form of EMSigner v2.8.7 allows unauthenticated attackers to arbitrarily modify usernames and privileges by using the email address of a registered user.\n\n## Affected\n\n- `emsigner = 2.8.7`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}