{"id":"CVE-2021-28684","aliases":["EUVD-2021-15341","GHSA-f243-hqpc-893w"],"status":"published","title":"The XML parser used in ConeXware PowerArchiver before 20.10.02 allows processing of external...","description":"The XML parser used in ConeXware PowerArchiver before 20.10.02 allows processing of external entities, which might lead to exfiltration of local files over the network (via an XXE attack).","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00918,"percentile":0.60486,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-611"],"published":"2021-06-21T12:13:26Z","modified":"2026-06-17T03:46:47Z","products":[{"vendor":"powerarchiver","product":"powerarchiver"}],"references":[{"url":"https://www.powerarchiver.com","tags":["x_refsource_MISC","x_transferred","Product"]},{"url":"https://peterka.tech/blog/posts/cve-2021-28684/","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-28684"},{"url":"https://github.com/advisories/GHSA-f243-hqpc-893w"}],"sources":{"cve":[{"id":"CVE-2021-28684","description":"The XML parser used in ConeXware PowerArchiver before 20.10.02 allows processing of external entities, which might lead to exfiltration of local files over the network (via an XXE attack).","status":"published","published":"2021-06-21T12:13:26Z","modified":"2024-08-03T21:47:33.126Z","updated_at":"2026-11-02T14:33:09.175141Z"}],"euvd":[{"id":"EUVD-2021-15341","description":"The XML parser used in ConeXware PowerArchiver before 20.10.02 allows processing of external entities, which might lead to exfiltration of local files over the network (via an XXE attack).","status":"published","published":"2021-06-21T12:13:26Z","modified":"2024-08-03T21:47:33Z","updated_at":"2026-11-03T03:24:46.117926Z"}],"ghsa":[{"id":"GHSA-f243-hqpc-893w","title":"The XML parser used in ConeXware PowerArchiver before 20.10.02 allows processing of external...","description":"The XML parser used in ConeXware PowerArchiver before 20.10.02 allows processing of external entities, which might lead to exfiltration of local files over the network (via an XXE attack).","status":"published","published":"2022-05-24T19:05:45Z","modified":"2023-01-29T05:07:05Z","cwes":["CWE-611"],"updated_at":"2026-11-02T14:46:08.723565Z"}],"nvd":[{"id":"CVE-2021-28684","description":"The XML parser used in ConeXware PowerArchiver before 20.10.02 allows processing of external entities, which might lead to exfiltration of local files over the network (via an XXE attack).","status":"published","published":"2021-06-21T13:15:08.037Z","modified":"2026-06-17T03:46:47.433Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-611"],"updated_at":"2026-11-02T14:06:54.892562Z"}]}}