Unauthenticated Buffer Overflow Vulnerability leads to Authentication Bypass in AOS-8
Summary
| CVE | CVE-2026-79856 |
|---|---|
| State | PUBLISHED |
| Assigner | hpe |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-10-22 19:17:57 UTC |
| Updated | 2026-10-24 04:18:19 UTC |
| Description | A buffer overflow vulnerability exists in the PAPI protocol of AOS-8 that could allow an unauthenticated remote attacker to circumvent existing authentication controls. Successful exploitation could allow an attacker to gain administrative access, modify system configurations, and access or manipulate sensitive data. |
Risk And Classification
Primary CVSS: v3.1 9.8 CRITICAL from [email protected]
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.003580000 probability, percentile 0.283420000 (date 2026-10-23)
Problem Types: CWE-119 | CWE-119 CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Secondary | 9.8 | CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| 3.1 | CNA | CVSS | 9.8 | CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Hewlett Packard Enterprise HPE | ArubaOS AOS | affected 8.13.0.0 8.13.3.0 semver | Not specified |
| CNA | Hewlett Packard Enterprise HPE | ArubaOS AOS | affected 8.10.0.0 8.10.0.23 semver | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| support.hpe.com/hpesc/public/docDisplay | [email protected] | support.hpe.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Internal security research (HPE Networking). (en)
There are currently no legacy QID mappings associated with this CVE.