CVE-2018-4069: An information disclosure vulnerability exists in the ACEManager authentication functionality of Sierra Wireless AirLink ES450 FW 4.9.3. The ACEManage...

Description

An information disclosure vulnerability exists in the ACEManager authentication functionality of Sierra Wireless AirLink ES450 FW 4.9.3. The ACEManager authentication functionality is done in plaintext XML to the web server. An attacker can listen to network traffic upstream from the device to capitalize on this vulnerability.

Metrics

EPSS Probability

4.01%

89.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions
Sierrawireless	Airlink Es450 Firmware	4.9.3

References

Timeline

Published: May 6, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-4069?

An information disclosure vulnerability exists in the ACEManager authentication functionality of Sierra Wireless AirLink ES450 FW 4.9.3. The ACEManager authentication functionality is done in plaintext XML to the web server. An attacker can listen to network traffic upstream from the device to capitalize on this vulnerability.

How severe is CVE-2018-4069?

Severity scoring for CVE-2018-4069 is pending analysis. The EPSS model estimates a 4.01% probability of exploitation in the next 30 days.

How do I fix CVE-2018-4069?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.