Security Resilience

CVE-2026-73778

Hpe Arubaos-Cx ≤ 10.10.1180

Published
01 September 2026
Modified
10 September 2026
Patch / advisory
View advisory
CVSS Score v3.1 8.1
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0050 42th percentile
Risk Priority 60 floored blend · peak EPSS

CVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.

Summary

CVE-2026-73778 is a high-severity Weak Password Requirements (CWE-521) vulnerability in Hpe Arubaos-Cx. Its CVSS base score is 8.1 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Remote Services (T1021); ranked at the 42th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

The strongest mitigations our analysis identified map to IA-5 (Authenticator Management) — see the control section below for these in your framework.

OWASP Top 10 for Web (2025)

A07:2025 Authentication Failures

EU & UK References

Vulnerability Data

A vulnerability exists in the Credential Manager component that may allow for unauthorized administrative access. An unauthenticated remote attacker could exploit this vulnerability on a device in its factory-default or post-ZTP state before any administrator has configured credentials by providing…

more

a predictable factory-default password. Successful exploitation could result in full administrative control of the affected device during the initial setup process.

CWE(s)
CWE-521

Related Threats

MITRE ATT&CK Enterprise Techniques

T1021 Remote Services Lateral Movement
Adversaries may use [Valid Accounts](https://attack.
attack.mitre.org →
T1078 Valid Accounts Stealth
Adversaries may obtain and abuse credentials of existing accounts as a means of gaining Initial Access, Persistence, Privilege Escalation, or Defense Evasion.
attack.mitre.org →
T1110 Brute Force Credential Access
Adversaries may use brute force techniques to gain access to accounts when passwords are unknown or when password hashes are obtained.
attack.mitre.org →
T1110.001 Password Guessing Credential Access
Adversaries with no prior knowledge of legitimate credentials within the system or environment may guess passwords to attempt access to accounts.
attack.mitre.org →
T1110.002 Password Cracking Credential Access
Adversaries may use password cracking to attempt to recover usable credentials, such as plaintext passwords, when credential material such as password hashes are obtained.
attack.mitre.org →
T1110.003 Password Spraying Credential Access
Adversaries may use a single or small list of commonly used passwords against many different accounts to attempt to acquire valid account credentials.
attack.mitre.org →
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2026-73780Same product: Hpe Aruba Cx 10000-48Y6C \(R8P13A\)
CVE-2026-73767Same product: Hpe Aruba Cx 10000-48Y6C \(R8P13A\)
CVE-2026-73753Same product: Hpe Aruba Cx 10000-48Y6C \(R8P13A\)
CVE-2026-23816Same product: Hpe Aruba Cx 10000-48Y6C \(R8P13A\)
CVE-2026-73770Same product: Hpe Aruba Cx 10000-48Y6C \(R8P13A\)
CVE-2026-73781Same product: Hpe Aruba Cx 10000-48Y6C \(R8P13A\)
CVE-2026-73776Same product: Hpe Aruba Cx 10000-48Y6C \(R8P13A\)
CVE-2026-73782Same product: Hpe Aruba Cx 10000-48Y6C \(R8P13A\)
CVE-2026-73765Same product: Hpe Aruba Cx 10000-48Y6C \(R8P13A\)
CVE-2026-63454Same product: Hpe Aruba Cx 10000-48Y6C \(R8P13A\)

Affected Assets

hpe
arubaos-cx
10.18.0001 · ≤ 10.10.1180 · 10.13.0000 — 10.13.1180 · 10.16.0000 — 10.16.1051

Mitigating Controls

Control response

Prevent
Stop it (NIST 800-53)

—

Detect
Catch it (NIST detect / respond)

—

Harden
Shrink the surface (DISA STIG)
  • 2 hardening rules · 1 OS baseline
Validate
Prove the fix (OWASP ASVS)
  • V6.2.4
  • V6.2.12
  • V6.4.1

Mitigating Controls (NIST 800-53 r5) AI

IA-5 Authenticator Management good match

IA-5 directly requires organizations to enforce strength, complexity, and change rules for passwords and other authenticators at issuance and reset.

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.AA-03 full match
blocks

Explicitly requires enforcing minimum password strength as part of authentication.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

A.5.17 Authentication information mostly match
blocks

Enforcing minimum length, complexity, non-dictionary, and non-reuse rules directly counters weak password policies that allow attackers to guess or brute-force credentials.

A.8.9 Configuration management mostly match
removes

Hardening callouts derived

Configuration rules from DISA STIG baselines that bear on weaknesses of the type cited by this CVE. Each rule is shown with the relationship its mapping actually records, against the CWE it was authored against. Derived via CVE→CWE over `controls_xwalks` (higher-evidence rows only; rows rated `none` are excluded).

RHEL 7 (2 rules)
  • V-204424 The Red Hat Enterprise Linux operating system must not allow accounts configured with blank or null passwords. blocks CWE-521
  • V-204425 The Red Hat Enterprise Linux operating system must be configured so that the SSH daemon does not allow authentication using an empty password. blocks CWE-521

References