Aruba Instant
CVE-2021-34617
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Output encoding, context-aware escaping
MITRE ATT&CK
2 techniques across 2 tactics: Initial Access, Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 6.1 (MEDIUM). Attack characteristics: network attack vector, low complexity, no privileges required, user interaction required. |
| Exploit ScenarioDerived | A remote attacker could inject malicious scripts into web pages viewed by other users by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability. |
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Alert meAnalysisAI
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:. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.
Affects your stack
Find out whether the stacks and servers you run are on an affected version.
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. 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 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. Affected products include: Aruba Aruba Instant.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
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 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.
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Cross-Site Scripting occurs when an application accepts untrusted data and sends it to a web browser without proper validation or encoding.
Affected Products (CPE)NVD
More in Aruba Instant
View allA remote buffer overflow vulnerability was discovered in HPE Aruba Instant (IAP) version(s): Aruba Instant 8.7.x.x: 8.7.
A remote arbitrary command execution vulnerability was discovered in HPE Aruba Instant (IAP) version(s): Aruba Instant 6
A remote arbitrary command execution vulnerability was discovered in HPE Aruba Instant (IAP) version(s): Aruba Instant 6
A remote arbitrary command execution vulnerability was discovered in HPE Aruba Instant (IAP) version(s): 6.4.x.x: 6.4.4.
A remote unauthorized read access to files vulnerability was discovered in Aruba Instant version(s): 6.4.x.x: 6.4.4.8-4.
A remote denial of service (DoS) vulnerability was discovered in some Aruba Instant Access Point (IAP) products in versi
A remote denial of service vulnerability was discovered in Aruba Instant version(s): Aruba Instant 6.5.x.x: 6.5.4.18 and
GitHub PoC
Exploit-DB