Home/CVE/A remote denial of service vulnerability was discovered in Aruba Instant version(s): Aruba Instant 6.5.x.x: 6.5.4.18 and
CVE

CVE-2021-37735

A remote denial of service vulnerability was discovered in Aruba Instant version(s): Aruba Instant 6.5.x.x: 6.5.4.18 and

A remote denial of service vulnerability was discovered in Aruba Instant version(s): Aruba Instant 6.5.x.x: 6.5.4.18 and below.

Aruba Instant 8.5.x.x: 8.5.0.10 and below.

Aruba Instant 8.6.x.x: 8.6.0.4 and below. Aruba has released patches for Aruba Instant (IAP) that address this security vulnerability.

MEDIUM · CVSS 5.3 EPSS 0.00349
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-134Use of Externally-Controlled Format String
▤

Affected Products & Versions

4
arubanetworks aruba instant>= 6.5.4.0 and < 6.5.4.18
arubanetworks aruba instant>= 8.5.0.0 and < 8.5.0.11
arubanetworks aruba instant>= 8.6.0.0 and < 8.6.0.5
siemens scalance w1750d firmware< 8.7.1.3
▣

Scoring & Timeline

5.3
MEDIUM · CVSS v3.1 · security-alert@hpe.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD12 Oct 2021 · 04:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
⚑

Vendor Advisories

2
siemens-csafSSA-917476
cisa-csafcisa-csaf-csaf_files-OT-white-2021-icsa-21-315-06
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://cert-portal.siemens.com/productcert/pdf/ssa-917476.pdfPatchThird Party Advisory
https://www.arubanetworks.com/assets/alert/ARUBA-PSA-2021-017.txtVendor Advisory
Intelligence Graph · click any node to traverse
CVETechnique ActorTool Family
drag to reposition · click any node to traverse · button top-right enlarges
External lookups - second-class, for what we don’t hold ourselves
NVDCVE.orgCISAVulnersExploit-DBGitHub PoCVulnCheck KEVGreyNoise
Vulnerabilities
CISA KEV catalog
CWE weaknesses
CAPEC attack patterns
Package vulnerabilities
Threat intelligence
Threat actors
Tools & malware
ATT&CK techniques
IOCs
Detection & defense
Sigma rules
YARA rules
Atomic Red Team tests
D3FEND countermeasures
Compliance
NIST 800-53
ISO 27001:2022
SOC 2 TSC
PCI-DSS v4.0
CIS Controls v8.1
About
All capabilities
Live statistics
Data sources
Privacy policy
Terms of service
threatengine.sh  ·  Open-source threat intelligence platform  ·  100+ authoritative sources  ·  Every fact traces to its origin