CVE-2018-4069
An information disclosure vulnerability exists in the ACEManager authentication functionality of Sierra Wireless AirLink ES450 FW 4.9.3.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.06%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 4.06% probability · 91th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-200
- Affected
- sierrawireless/airlink es450 firmware
- Source
- talos-cna@cisco.com
EPSS 4.1% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://packetstormsecurity.com/files/152654/Sierra-Wireless-AirLink-ES450-ACEManager-Information-Exposure.html
- http://www.securityfocus.com/bid/108147
- https://ics-cert.us-cert.gov/advisories/ICSA-19-122-03
- https://talosintelligence.com/vulnerability_reports/TALOS-2018-0754Exploit, Third Party Advisory
- http://packetstormsecurity.com/files/152654/Sierra-Wireless-AirLink-ES450-ACEManager-Information-Exposure.html
- http://www.securityfocus.com/bid/108147
- https://ics-cert.us-cert.gov/advisories/ICSA-19-122-03
- https://talosintelligence.com/vulnerability_reports/TALOS-2018-0754Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.