{"id":"CVE-2021-25155","aliases":["EUVD-2021-12066","GHSA-4gp5-j36j-xx9p"],"status":"published","title":"A remote arbitrary file modification vulnerability was discovered in some Aruba Instant Access...","description":"A remote arbitrary file modification vulnerability was discovered in some Aruba Instant Access Point (IAP) products in version(s): Aruba Instant 6.4.x: 6.4.4.8-4.2.4.17 and below; Aruba Instant 6.5.x: 6.5.4.18 and below; Aruba Instant 8.3.x: 8.3.0.14 and below; Aruba Instant 8.5.x: 8.5.0.11 and below; Aruba Instant 8.6.x: 8.6.0.6 and below; Aruba Instant 8.7.x: 8.7.1.0 and below. Aruba has released patches for Aruba Instant that address this security vulnerability.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.1242,"percentile":0.96245,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"published":"2021-03-30T00:13:23Z","modified":"2026-06-17T03:41:33Z","exploits":[{"source":"exploitdb","id":"EDB-50133","title":"Aruba Instant 8.7.1.0 - Arbitrary File Modification","type":"remote","platform":"hardware","date":"2021-07-16","url":"https://www.exploit-db.com/exploits/50133"},{"source":"exploitdb","id":"EDB-50136","title":"Aruba Instant (IAP) - Remote Code Execution","type":"remote","platform":"cgi","date":"2021-07-15","url":"https://www.exploit-db.com/exploits/50136"}],"products":[{"vendor":"arubanetworks","product":"instant"},{"vendor":"siemens","product":"scalance_w1750d_firmware"}],"references":[{"url":"https://www.arubanetworks.com/assets/alert/ARUBA-PSA-2021-007.txt","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-723417.pdf","tags":["x_refsource_CONFIRM","x_transferred","Patch","Third Party Advisory"]},{"url":"http://packetstormsecurity.com/files/163524/Aruba-Instant-8.7.1.0-Arbitrary-File-Modification.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://packetstormsecurity.com/files/163522/Aruba-Instant-IAP-Remote-Code-Execution.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-25155"},{"url":"https://github.com/advisories/GHSA-4gp5-j36j-xx9p"}],"sources":{"cve":[{"id":"CVE-2021-25155","description":"A remote arbitrary file modification vulnerability was discovered in some Aruba Instant Access Point (IAP) products in version(s): Aruba Instant 6.4.x: 6.4.4.8-4.2.4.17 and below; Aruba Instant 6.5.x: 6.5.4.18 and below; Aruba Instant 8.3.x: 8.3.0.14 and below; Aruba Instant 8.5.x: 8.5.0.11 and below; Aruba Instant 8.6.x: 8.6.0.6 and below; Aruba Instant 8.7.x: 8.7.1.0 and below. Aruba has released patches for Aruba Instant that address this security vulnerability.","status":"published","published":"2021-03-30T00:13:23Z","modified":"2024-08-03T19:56:10.571Z","updated_at":"2026-11-02T14:32:59.802172Z"}],"euvd":[{"id":"EUVD-2021-12066","description":"A remote arbitrary file modification vulnerability was discovered in some Aruba Instant Access Point (IAP) products in version(s): Aruba Instant 6.4.x: 6.4.4.8-4.2.4.17 and below; Aruba Instant 6.5.x: 6.5.4.18 and below; Aruba Instant 8.3.x: 8.3.0.14 and below; Aruba Instant 8.5.x: 8.5.0.11 and below; Aruba Instant 8.6.x: 8.6.0.6 and below; Aruba Instant 8.7.x: 8.7.1.0 and below. Aruba has released patches for Aruba Instant that address this security vulnerability.","status":"published","published":"2021-03-30T00:13:23Z","modified":"2024-08-03T19:56:10Z","updated_at":"2026-11-03T03:24:54.409369Z"}],"ghsa":[{"id":"GHSA-4gp5-j36j-xx9p","title":"A remote arbitrary file modification vulnerability was discovered in some Aruba Instant Access...","description":"A remote arbitrary file modification vulnerability was discovered in some Aruba Instant Access Point (IAP) products in version(s): Aruba Instant 6.4.x: 6.4.4.8-4.2.4.17 and below; Aruba Instant 6.5.x: 6.5.4.18 and below; Aruba Instant 8.3.x: 8.3.0.14 and below; Aruba Instant 8.5.x: 8.5.0.11 and below; Aruba Instant 8.6.x: 8.6.0.6 and below; Aruba Instant 8.7.x: 8.7.1.0 and below. Aruba has released patches for Aruba Instant that address this security vulnerability.","status":"published","published":"2022-05-24T22:01:30Z","modified":"2023-01-30T05:05:14Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H","level":"medium"}],"updated_at":"2026-11-02T14:47:13.441339Z"}],"nvd":[{"id":"CVE-2021-25155","description":"A remote arbitrary file modification vulnerability was discovered in some Aruba Instant Access Point (IAP) products in version(s): Aruba Instant 6.4.x: 6.4.4.8-4.2.4.17 and below; Aruba Instant 6.5.x: 6.5.4.18 and below; Aruba Instant 8.3.x: 8.3.0.14 and below; Aruba Instant 8.5.x: 8.5.0.11 and below; Aruba Instant 8.6.x: 8.6.0.6 and below; Aruba Instant 8.7.x: 8.7.1.0 and below. Aruba has released patches for Aruba Instant that address this security vulnerability.","status":"published","published":"2021-03-30T01:15:12.863Z","modified":"2026-06-17T03:41:33.593Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":8.5,"vector":"AV:N/AC:L/Au:S/C:N/I:C/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:06:51.197859Z"}]}}