CVE-2023-40458
AceManager DOS Vulnerability
Loop with Unreachable Exit Condition ('Infinite Loop') vulnerability in Sierra Wireless, Inc ALEOS could potentially allow a remote attacker to trigger a Denial of Service (DoS) condition for ACEManager without impairing other router functions. This condition is cleared by restarting the device.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
AceManager DOS Vulnerability
Loop with Unreachable Exit Condition ('Infinite Loop') vulnerability in Sierra Wireless, Inc ALEOS could potentially allow a remote attacker to trigger a Denial of Service (DoS) condition for ACEManager without impairing other router functions. This condition is cleared by restarting the device.
- Record
CVE-2023-40458- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-835
- Updated
- 2026-11-02
EUVDEUVD-2023-45029
Loop with Unreachable Exit Condition ('Infinite Loop') vulnerability in Sierra Wireless, Inc ALEOS could potentially allow a remote attacker to trigger a Denial of Service (DoS) condition for ACEManager without impairing other router functions. This condition is cleared by restarting the device.
- Record
EUVD-2023-45029- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-jx6g-c2p6-6cx2
Loop with Unreachable Exit Condition ('Infinite Loop') vulnerability in Sierra Wireless, Inc...
Loop with Unreachable Exit Condition ('Infinite Loop') vulnerability in Sierra Wireless, Inc ALEOS could potentially allow a remote attacker to trigger a Denial of Service (DoS) condition for ACEManager without impairing other router functions. This condition is cleared by restarting the device.
- Record
GHSA-jx6g-c2p6-6cx2- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-835
- Updated
- 2026-11-02
NVD
Loop with Unreachable Exit Condition ('Infinite Loop') vulnerability in Sierra Wireless, Inc ALEOS could potentially allow a remote attacker to trigger a Denial of Service (DoS) condition for ACEManager without impairing other router functions. This condition is cleared by restarting the device.
- Record
CVE-2023-40458- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-835
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2023-40458
Loop with Unreachable Exit Condition ('Infinite Loop') vulnerability in Sierra Wireless, Inc ALEOS could potentially allow a remote attacker to trigger a Denial of Service (DoS) condition for ACEManager without impairing other router functions. This condition is cleared by restarting the device.
- Record
UBUNTU-CVE-2023-40458- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
tinyxmlUbuntu:Pro:16.04:LTS |
All versions, plus listed versions 2.6.2-32.6.2-3ubuntu0.1~esm12.6.2-3ubuntu0.1~esm2 |
None known |
tinyxmlUbuntu:Pro:18.04:LTS |
All versions, plus listed versions 2.6.2-42.6.2-4ubuntu0.18.04.1~esm12.6.2-4ubuntu0.18.04.1~esm2 |
None known |
tinyxmlUbuntu:20.04:LTS |
All versions, plus listed versions 2.6.2-42.6.2-4build12.6.2-4+deb10u1build0.20.04.12.6.2-4+deb10u2build0.20.04.1 |
None known |
tinyxmlUbuntu:22.04:LTS |
All versions, plus listed versions 2.6.2-4build12.6.2-52.6.2-62.6.2-6ubuntu0.22.04.1 |
None known |
tinyxmlUbuntu:24.04:LTS |
All versions, plus listed versions 2.6.2-62.6.2-6.1 |
None known |
tinyxmlUbuntu:25.10 |
All versions, plus listed versions 2.6.2-7 |
None known |
tinyxmlUbuntu:26.10 |
All versions, plus listed versions 2.6.2-7build1 |
None known |
tinyxmlUbuntu:26.04:LTS |
All versions, plus listed versions 2.6.2-72.6.2-7build1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-40458 is a high vulnerability (CVSS 7.5) in Sierrawireless Aleos, published November 29, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.82%, the 57th percentile. No source names a fixed version.
References
source.sierrawireless.com/resources/security-bulletins/sierra-wireless-technical-bulletin---swi-psa-2023-006
nvd.nist.gov/vuln/detail/CVE-2023-40458
https//source.sierrawireless.com/resources/security-bulletins/sierra-wireless-technical-bulletin---swi-psa-2023-006
github.com/advisories/GHSA-jx6g-c2p6-6cx2
ubuntu.com/security/CVE-2023-40458
forescout.com/resources/sierra21-vulnerabilities
cve.org/CVERecord?id=CVE-2023-40458