{"cve":"CVE-2018-12939","nvd":{"published":"2018-07-31T14:29:00.433","modified":"2026-06-17T01:38:36.923","status":"Modified","description":"A directory traversal flaw in SeedDMS (formerly LetoDMS and MyDMS) before 5.1.8 allows an authenticated attacker to write to (or potentially delete) arbitrary files via a .. (dot dot) in the \"op/op.UploadChunks.php\" \"qquuid\" parameter.  NOTE: this can be leveraged to execute arbitrary code by using CVE-2018-12940.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","score":6.5},"cwes":["CWE-22"],"references":["https://sourceforge.net/p/seeddms/code/ci/seeddms-5.1.x/tree/CHANGELOG","https://www.contextis.com/resources/advisories/cve-2018-12939","https://sourceforge.net/p/seeddms/code/ci/seeddms-5.1.x/tree/CHANGELOG","https://www.contextis.com/resources/advisories/cve-2018-12939"],"products":["seeddms:seeddms"],"source":"nvd","synced_at":"2026-10-19T20:52:03.425131697+00:00"},"epss":{"cve":"CVE-2018-12939","score":0.01969,"percentile":0.80399,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}