Skip to main content

Instant CVE-2021-25162

HIGH
OS Command Injection (CWE-78)
2021-03-30 security-alert@hpe.com
8.1
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization OS command sanitization, avoid shell exec
MITRE ATT&CK

2 techniques across 1 tactic: 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 8.1 (HIGH). Attack characteristics: network attack vector, high complexity, no privileges required, no user interaction not required. Public proof-of-concept exploit code is available.

Exploit ScenarioDerived

A remote attacker could execute arbitrary operating system commands on the host by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.

This Week Schedule remediation this week. Why: HIGH severity + EPSS > 10%.
Patch available 27.0% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAI

A remote execution of arbitrary commands vulnerability was discovered in some Aruba Instant Access Point (IAP) products in version(s): Aruba Instant 6.4.x: 6.4.4.8-4.2.4.17 and below; Aruba Instant. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. Public exploit code available.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Avoid passing user input to shell commands. Use language-specific APIs instead of shell execution. Apply strict input validation with allowlists.

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 OS Command Injection (CWE-78), which allows attackers to execute arbitrary operating system commands on the host. A remote execution of arbitrary commands vulnerability was discovered in some Aruba Instant Access Point (IAP) products in version(s): Aruba Instant 6.4.x: 6.4.4.8-4.2.4.17 and below; Aruba Instant 6.5.x: 6.5.4.18 and below; Aruba Instant 8.3.x: 8.3.0.14 and below; Aruba Instant 8.5.x: 8.5.0.11 and below; Aruba Instant 8.6.x: 8.6.0.7 and below; Aruba Instant 8.7.x: 8.7.1.1 and below. Aruba has released patches for Aruba Instant that address this security vulnerability. Affected products include: Arubanetworks Instant, Siemens Scalance W1750D Firmware.

Know when Instant gets its next vulnerability

  • Watch products and get an email when something new is published
  • Check this CVE against your own stack and servers
  • Exploit and PoC references, threat intelligence from 22 sources

No credit card · 7-day full trial

Severity by source

NVD PRIMARY 8.1 HIGH
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionNVD

A remote execution of arbitrary commands vulnerability was discovered in some Aruba Instant Access Point (IAP) products in version(s): Aruba Instant 6.4.x: 6.4.4.8-4.2.4.17 and below; Aruba Instant 6.5.x: 6.5.4.18 and below; Aruba Instant 8.3.x: 8.3.0.14 and below; Aruba Instant 8.5.x: 8.5.0.11 and below; Aruba Instant 8.6.x: 8.6.0.7 and below; Aruba Instant 8.7.x: 8.7.1.1 and below. Aruba has released patches for Aruba Instant that address this security vulnerability.

Threat Intelligence Overview

EPSS Score
27.0%
Top 2% exploitable
Exploit
POC
Public exploit code exists
Data Quality
3 sources
Confidence: Low

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.

SignalValue
Severity HIGH
CISA KEV No
Public POC Yes
EPSS 27.0%
Patch available Yes
Active threat Yes
Deciding rule
HIGH severity + EPSS > 10%
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
Poc
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

87
Low Medium High Critical
KEV: 0
EPSS: +27
CVSS: +40
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

OS command injection occurs when an application passes unsanitized user input directly into system shell commands.

Affected Products (CPE)NVD

cpe:2.3:o:arubanetworks:instant:*:*:*:*:*:*:*:*
cpe:2.3:o:arubanetworks:instant:*:*:*:*:*:*:*:*
cpe:2.3:o:arubanetworks:instant:*:*:*:*:*:*:*:*
cpe:2.3:o:arubanetworks:instant:*:*:*:*:*:*:*:*
cpe:2.3:o:arubanetworks:instant:*:*:*:*:*:*:*:*
cpe:2.3:o:arubanetworks:instant:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:scalance_w1750d_firmware:*:*:*:*:*:*:*:*
CVE-2017-13099 HIGH POC
7.5 Dec 13

wolfSSL prior to version 3.12.2 provides a weak Bleichenbacher oracle when any TLS cipher suite using RSA key exchange i

CVE-2021-25159 MEDIUM POC
6.5 Mar 30

A remote arbitrary file modification vulnerability was discovered in some Aruba Instant Access Point (IAP) products in v

CVE-2021-25155 MEDIUM POC
6.5 Mar 30

A remote arbitrary file modification vulnerability was discovered in some Aruba Instant Access Point (IAP) products in v

CVE-2021-25161 MEDIUM POC
6.1 Mar 30

A remote cross-site scripting (xss) vulnerability was discovered in some Aruba Instant Access Point (IAP) products in ve

CVE-2021-25158 MEDIUM POC
5.9 Mar 30

A remote arbitrary file read vulnerability was discovered in some Aruba Instant Access Point (IAP) products in version(s

CVE-2022-37891 CRITICAL
9.8 Oct 07

Unauthenticated buffer overflow vulnerabilities exist within the Aruba InstantOS and ArubaOS 10 web management interface

CVE-2022-37890 CRITICAL
9.8 Oct 07

Unauthenticated buffer overflow vulnerabilities exist within the Aruba InstantOS and ArubaOS 10 web management interface

CVE-2022-37889 CRITICAL
9.8 Oct 07

There are buffer overflow vulnerabilities in multiple underlying services that could lead to unauthenticated remote code

CVE-2022-37887 CRITICAL
9.8 Oct 07

There are buffer overflow vulnerabilities in multiple underlying services that could lead to unauthenticated remote code

CVE-2022-37886 CRITICAL
9.8 Oct 07

There are buffer overflow vulnerabilities in multiple underlying services that could lead to unauthenticated remote code

CVE-2022-37885 CRITICAL
9.8 Oct 07

There are buffer overflow vulnerabilities in multiple underlying services that could lead to unauthenticated remote code

CVE-2022-37888 CRITICAL
9.8 Oct 06

There are buffer overflow vulnerabilities in multiple underlying services that could lead to unauthenticated remote code

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy