{"id":"CVE-2021-22648","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-22648","generatedAt":"2026-10-27T22:31:39.713Z","title":"Ovarro TBox proprietary Modbus file access functions allow attackers to read, alter, or delete the configuration file.","description":"Ovarro TBox proprietary Modbus file access functions allow attackers to read, alter, or delete the configuration file.","published":"2022-07-28T15:15:07.000Z","lastModified":"2026-06-17T03:37:31.000Z","status":"Modified","sourceIdentifier":"ics-cert@hq.dhs.gov","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-732"],"affected":["ovarro/twinsoft","ovarro/tbox lt2-530 firmware","ovarro/tbox lt2-532 firmware","ovarro/tbox lt2-540 firmware","ovarro/tbox ms-cpu32 firmware","ovarro/tbox ms-cpu32-s2 firmware","ovarro/tbox rm2 firmware","ovarro/tbox tg2 firmware"],"epss":{"score":0.00917,"percentile":0.59952,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.92%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://www.cisa.gov/uscert/ics/advisories/icsa-21-054-04","tags":["Third Party Advisory","US Government Resource"],"source":"ics-cert@hq.dhs.gov"},{"url":"https://www.cisa.gov/uscert/ics/advisories/icsa-21-054-04","tags":["Third Party Advisory","US Government Resource"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-22648","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."}