{"id":"CVE-2023-27857","url":"https://www.cyber-defence.io/tools/cve/CVE-2023-27857","generatedAt":"2026-11-04T23:37:37.130Z","title":"An unauthenticated remote attacker can exploit this vulnerability to crash ThinServer.exe due to a read access violation.","description":"\n In affected versions, a heap-based buffer over-read condition occurs when the message field indicates more data than is present in the message field\n\n\n\n in Rockwell Automation's ThinManager ThinServer.  An unauthenticated remote attacker can exploit this vulnerability to crash ThinServer.exe due to a read access violation.\n\n\n\n \n\n","published":"2023-03-22T02:15:49.000Z","lastModified":"2026-06-17T05:45:59.000Z","status":"Modified","sourceIdentifier":"PSIRT@rockwellautomation.com","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-125"],"affected":["rockwellautomation/thinmanager"],"epss":{"score":0.18335,"percentile":0.9723,"date":"2026-11-03","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 18.3%, higher than 97% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1138640","tags":["Vendor Advisory"],"source":"PSIRT@rockwellautomation.com"},{"url":"https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1138640","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-27857","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}