{"cve":"CVE-2021-25155","nvd":{"published":"2021-03-30T01:15:12.863","modified":"2026-06-17T03:41:33.593","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H","score":6.5},"cwes":[],"references":["http://packetstormsecurity.com/files/163522/Aruba-Instant-IAP-Remote-Code-Execution.html","http://packetstormsecurity.com/files/163524/Aruba-Instant-8.7.1.0-Arbitrary-File-Modification.html","https://cert-portal.siemens.com/productcert/pdf/ssa-723417.pdf","https://www.arubanetworks.com/assets/alert/ARUBA-PSA-2021-007.txt","http://packetstormsecurity.com/files/163522/Aruba-Instant-IAP-Remote-Code-Execution.html"],"products":["arubanetworks:instant","siemens:scalance_w1750d_firmware"],"source":"nvd","synced_at":"2026-10-19T21:17:01.373894544+00:00"},"epss":{"cve":"CVE-2021-25155","score":0.1242,"percentile":0.9621,"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."]}