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CVE-2023-40465

17
FAUCET Score

CVE-2023-40465 is a Denial of Service (DoS) vulnerability affecting several versions of Sierra Wireless ALEOS, including ALEOS 4.16.0, and various associated products like the ES450, GX450, and RV55. The vulnerability, stemming from an exploitable open-source third-party component, can be triggered from the local area network. With a CVSS score of 5.5 (Medium), it requires local access and low privileges, but does not involve user interaction, leading to a high impact on availability. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.16.0CPE matchmatch criteria
cpe:2.3:o:sierrawireless:aleos:*:*:*:*:*:*:*:*
>= 4.10, <= 4.16CPE match
cpe:2.3:o:sierrawireless:aleos:*:*:*:*:*:*:*:*
>= 0, <= 4.9.8CPE match
cpe:2.3:o:sierrawireless:aleos:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.3HIGH

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Attack Vector
ADJACENT_NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.6
Impact Score
6.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.21%
Probability of exploitation in next 30 days
EPSS Percentile
12.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0021 is in the 54th percentile among its peer group of 15,940 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

source.sierrawireless.com / resources/security-bulletins/sierra-wireless-technical-bulletin---swi-psa-2023-006
Vendor Advisory