{"id":"CVE-2026-101022","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-101022","generatedAt":"2026-10-27T22:46:40.012Z","title":"An authenticated user can attempt connections to arbitrary internal network destinations, revealing which destinations are reachable.","description":"A Modbus connection feature on openPDC accepts a caller-specified destination address and port with no restriction on which internal hosts may be targeted. An authenticated user can attempt connections to arbitrary internal network destinations, revealing which destinations are reachable. With repeated attempts, an attacker may be able to map the internal network.","published":"2026-10-09T14:17:10.000Z","lastModified":"2026-10-09T17:16:43.000Z","status":"Awaiting Analysis","sourceIdentifier":"ics-cert@hq.dhs.gov","cvss":{"version":"4.0","score":5.3,"severity":"MEDIUM","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-918"],"affected":[],"epss":{"score":0.00186,"percentile":0.08079,"date":"2026-10-26","history":[{"date":"2026-10-10","score":0.00186,"percentile":0.07517}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.19%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-09T14:17:10.000Z","detail":{"score":"5.3","severity":"MEDIUM","publishedAt":"2026-10-09T14:17:10.157Z"},"summary":"New CVE, medium severity (CVSS 5.3)."}],"references":[{"url":"https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-281-02.json","source":"ics-cert@hq.dhs.gov"},{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-26-281-02","source":"ics-cert@hq.dhs.gov"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-101022","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."}