CVE-2023-40459

Improper input leads to DoS

Description

The ACEManager component of ALEOS 4.16 and earlier does not adequately perform input sanitization during authentication, which could potentially result in a Denial of Service (DoS) condition for ACEManager without impairing other router functions. ACEManager recovers from the DoS condition by restarting within ten seconds of becoming unavailable.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.74% Top 30%
Vendor Advisory sierrawireless.com
Affected: SierraWireless ALEOS
Published at:
Updated at:

References

Link Tags
https://source.sierrawireless.com/resources/security-bulletins/sierra-wireless-technical-bulletin---swi-psa-2023-006/#sthash.6KUVtE6w.dpbs vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-40459?
CVE-2023-40459 has been scored as a high severity vulnerability.
How to fix CVE-2023-40459?
To fix CVE-2023-40459, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-40459 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-40459 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-40459?
CVE-2023-40459 affects SierraWireless ALEOS.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.