Cyber Resilience

CVE-2021-34617

Medium

Published: 19 July 2021

Published
19 July 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS Score 0.0029 52.4th percentile
Risk Priority 12 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-34617 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Aruba Aruba Instant. Its CVSS base score is 6.1 (Medium).

Operationally, ranked in the top 47.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

A remote cross-site scripting (XSS) vulnerability was discovered in some Aruba Instant Access Point (IAP) products in version(s): Aruba Instant 6.4.x: 6.4.4.8-4.2.4.13 and below; Aruba Instant 6.5.x: 6.5.4.13 and below; Aruba Instant 8.3.x: 8.3.0.7 and below; Aruba Instant 8.4.x: 8.4.0.5…

more

and below; Aruba Instant 8.5.x: 8.5.0.0 and below. Aruba has released patches for Aruba Instant that address this security vulnerability.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

aruba
aruba instant
6.4.0 — 6.4.4.8-4.2.4.13 · 6.5.0 — 6.5.4.13 · 8.3.0 — 8.3.0.7

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-79

Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.

addresses: CWE-79

Validates web inputs to reject script-related content that could produce XSS.

addresses: CWE-79

Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.

References