{"id":"CVE-2021-42952","aliases":["EUVD-2021-29907","GHSA-hcwg-7735-m472"],"status":"published","title":"All pervious versions before October 25, 2021 of Zepl Notebooks are affeced by a sandbox escape...","description":"Zepl Notebooks before 2021-10-25 are affected by a sandbox escape vulnerability. Upon launching Remote Code Execution from the Notebook, users can then use that to subsequently escape the running context sandbox and proceed to access internal Zepl assets including cloud metadata services.","severity":{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01571,"percentile":0.75601,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2022-02-25T19:43:22Z","modified":"2026-07-09T01:17:07Z","products":[{"vendor":"zepl","product":"zepl"}],"references":[{"url":"https://seclists.org/fulldisclosure/2022/Feb/32","tags":["x_refsource_MISC","x_transferred","Mailing List","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-42952"},{"url":"http://zepl.com"},{"url":"https://github.com/advisories/GHSA-hcwg-7735-m472"}],"sources":{"cve":[{"id":"CVE-2021-42952","description":"Zepl Notebooks before 2021-10-25 are affected by a sandbox escape vulnerability. Upon launching Remote Code Execution from the Notebook, users can then use that to subsequently escape the running context sandbox and proceed to access internal Zepl assets including cloud metadata services.","status":"published","published":"2022-02-25T19:43:22Z","modified":"2026-07-09T00:15:35.867Z","updated_at":"2026-11-02T14:32:58.739039Z"}],"euvd":[{"id":"EUVD-2021-29907","description":"Zepl Notebooks before 2021-10-25 are affected by a sandbox escape vulnerability. Upon launching Remote Code Execution from the Notebook, users can then use that to subsequently escape the running context sandbox and proceed to access internal Zepl assets including cloud metadata services.","status":"published","published":"2022-02-25T19:43:22Z","modified":"2026-07-09T00:15:35Z","updated_at":"2026-11-02T18:20:08.60883Z"}],"ghsa":[{"id":"GHSA-hcwg-7735-m472","title":"All pervious versions before October 25, 2021 of Zepl Notebooks are affeced by a sandbox escape...","description":"All pervious versions before October 25, 2021 of Zepl Notebooks are affeced by a sandbox escape vulnerability. Upon launching Remote Code Execution from the Notebook, users can then use that to subsequently escape the running context sandbox and proceed to access internal Zepl assets including cloud metadata services.","status":"published","published":"2022-02-26T00:00:38Z","modified":"2023-02-03T05:06:40Z","cvss":[{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T14:53:55.946665Z"}],"nvd":[{"id":"CVE-2021-42952","description":"Zepl Notebooks before 2021-10-25 are affected by a sandbox escape vulnerability. Upon launching Remote Code Execution from the Notebook, users can then use that to subsequently escape the running context sandbox and proceed to access internal Zepl assets including cloud metadata services.","status":"published","published":"2022-02-25T20:15:08.21Z","modified":"2026-07-09T01:17:07.767Z","cvss":[{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:07:05.198719Z"}]}}