{"id":"CVE-2021-42022","aliases":["EUVD-2021-29010","GHSA-p462-h5xx-px29"],"status":"published","title":"A vulnerability has been identified in SIMATIC eaSie PCS 7 Skill Package (All versions \u003c V21.00...","description":"A vulnerability has been identified in SIMATIC eaSie PCS 7 Skill Package (All versions \u003c V21.00 SP3). When downloading files, the affected systems do not properly neutralize special elements within the pathname. An attacker could then cause the pathname to resolve to a location outside of the restricted directory on the server and read unexpected critical files. The affected file download function is disabled by default.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.0094,"percentile":0.61411,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-22"],"published":"2021-12-14T12:06:37Z","modified":"2026-06-17T04:09:11Z","products":[{"vendor":"siemens","product":"simatic easie pcs 7 skill package"},{"vendor":"siemens","product":"simatic_easie_pcs_7_skill"}],"references":[{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-199605.pdf","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-42022"},{"url":"https://github.com/advisories/GHSA-p462-h5xx-px29"}],"sources":{"cve":[{"id":"CVE-2021-42022","description":"A vulnerability has been identified in SIMATIC eaSie PCS 7 Skill Package (All versions \u003c V21.00 SP3). When downloading files, the affected systems do not properly neutralize special elements within the pathname. An attacker could then cause the pathname to resolve to a location outside of the restricted directory on the server and read unexpected critical files. The affected file download function is disabled by default.","status":"published","published":"2021-12-14T12:06:37Z","modified":"2024-08-04T03:22:25.755Z","cwes":["CWE-22"],"updated_at":"2026-11-02T14:32:58.739039Z"}],"euvd":[{"id":"EUVD-2021-29010","description":"A vulnerability has been identified in SIMATIC eaSie PCS 7 Skill Package (All versions \u003c V21.00 SP3). When downloading files, the affected systems do not properly neutralize special elements within the pathname. An attacker could then cause the pathname to resolve to a location outside of the restricted directory on the server and read unexpected critical files. The affected file download function is disabled by default.","status":"published","published":"2021-12-14T12:06:37Z","modified":"2024-08-04T03:22:25Z","updated_at":"2026-11-03T03:24:16.784119Z"}],"ghsa":[{"id":"GHSA-p462-h5xx-px29","title":"A vulnerability has been identified in SIMATIC eaSie PCS 7 Skill Package (All versions \u003c V21.00...","description":"A vulnerability has been identified in SIMATIC eaSie PCS 7 Skill Package (All versions \u003c V21.00 SP3). When downloading files, the affected systems do not properly neutralize special elements within the pathname. An attacker could then cause the pathname to resolve to a location outside of the restricted directory on the server and read unexpected critical files. The affected file download function is disabled by default.","status":"published","published":"2021-12-15T00:01:26Z","modified":"2023-02-01T05:07:07Z","cwes":["CWE-22"],"updated_at":"2026-11-02T14:50:28.921795Z"}],"nvd":[{"id":"CVE-2021-42022","description":"A vulnerability has been identified in SIMATIC eaSie PCS 7 Skill Package (All versions \u003c V21.00 SP3). When downloading files, the affected systems do not properly neutralize special elements within the pathname. An attacker could then cause the pathname to resolve to a location outside of the restricted directory on the server and read unexpected critical files. The affected file download function is disabled by default.","status":"published","published":"2021-12-14T12:15:09.863Z","modified":"2026-06-17T04:09:11.5Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":3.5,"vector":"AV:N/AC:M/Au:S/C:P/I:N/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:07:02.189991Z"}]}}