Skip to main content

Aleos CVE-2023-40461

MEDIUM
Cross-site Scripting (XSS) (CWE-79)
2023-12-04 security@sierrawireless.com
4.8
CVSS 3.1 · NVD
View

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 4.8 (MEDIUM). Attack characteristics: network attack vector, low complexity, high 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.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.5% exploitation probability (EPSS)

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

Alert me

AnalysisAI

The ACEManager component of ALEOS 4.16 and earlier allows an authenticated user with Administrator privileges to access a file upload field which does not fully validate the file name, creating a. Rated medium severity (CVSS 4.8), this vulnerability is remotely exploitable, 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. The ACEManager component of ALEOS 4.16 and earlier allows an authenticated user with Administrator privileges to access a file upload field which does not fully validate the file name, creating a Stored Cross-Site Scripting condition. Affected products include: Sierrawireless Aleos.

Know when Aleos 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 4.8 MEDIUM
AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

DescriptionNVD

The ACEManager component of ALEOS 4.16 and earlier allows an

authenticated user with Administrator privileges to access a file

upload field which does not fully validate the file name, creating a

Stored Cross-Site Scripting condition.

Threat Intelligence Overview

EPSS Score
0.5%
Top 63% exploitable
Data Quality
2 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 MEDIUM
CISA KEV No
Public POC No
EPSS 0.5%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
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
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

24
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +24
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

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

cpe:2.3:o:sierrawireless:aleos:*:*:*:*:*:*:*:*

More in Aleos

View all
CVE-2015-2897 CRITICAL
10.0 Aug 08

Sierra Wireless ALEOS before 4.4.2 on AirLink ES, GX, and LS devices has hardcoded root accounts, which makes it easier

CVE-2020-8782 CRITICAL
9.8 Oct 06

Unauthenticated RPC server on ALEOS before 4.4.9, 4.9.5, and 4.14.0 allows remote code execution. Rated critical severit

CVE-2018-10251 CRITICAL
9.8 May 04

A vulnerability in Sierra Wireless AirLink GX400, GX440, ES440, and LS300 routers with firmware before 4.4.7 and GX450,

CVE-2020-8781 HIGH
7.8 Oct 06

Lack of input sanitization in UpdateRebootMgr service of ALEOS 4.11 and later allow an escalation to root from a low-pri

CVE-2023-38321 HIGH
7.5 Dec 25

OpenNDS, as used in Sierra Wireless ALEOS before 4.17.0.12 and other products, allows remote attackers to cause a denial

CVE-2023-40462 HIGH
7.5 Dec 04

The ACEManager component of ALEOS 4.16 and earlier does not perform input sanitization during authentication, which coul

CVE-2023-40459 HIGH
7.5 Dec 04

The ACEManager component of ALEOS 4.16 and earlier does not adequately perform input sanitization during authentication,

CVE-2023-40458 HIGH
7.5 Nov 29

Loop with Unreachable Exit Condition ('Infinite Loop') vulnerability in Sierra Wireless, Inc ALEOS could potentially all

CVE-2023-40463 HIGH
7.2 Dec 04

When configured in debugging mode by an authenticated user with administrative privileges, ALEOS 4.16 and earlier store

CVE-2023-40464 MEDIUM
6.8 Dec 04

Several versions of ALEOS, including ALEOS 4.16.0, use a hardcoded SSL certificate and private key. Rated medium severit

CVE-2023-40465 MEDIUM
5.5 Dec 04

Several versions of ALEOS, including ALEOS 4.16.0, include an opensource third-party component which can be exploited fr

CVE-2023-40460 MEDIUM
5.4 Dec 04

The ACEManager component of ALEOS 4.16 and earlier does not validate uploaded file names and types, which could potentia

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