CVE-2018-4071 — HIGH (8.8) — White Hats Nepal

Vulnerability Description

An exploitable Information Disclosure vulnerability exists in the ACEManager EmbeddedAceGet_Task.cgi functionality of Sierra Wireless AirLink ES450 FW 4.9.3. The EmbeddedAceTLGet_Task.cgi executable is used to retrieve MSCII configuration values within the configuration manager of the AirLink ES450. This binary does not have any restricted configuration settings, so once the MSCIID is discovered, any authenticated user can send configuration changes using the /cgi-bin/Embedded_Ace_TLGet_Task.cgi endpoint.

CVSS Score

8.8

HIGH

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Sierrawireless	Airlink Es450 Firmware	4.9.3
Sierrawireless	Airlink Es450	-

Related Weaknesses (CWE)

CWE-200

References

https://talosintelligence.com/vulnerability_reports/TALOS-2018-0755ExploitThird Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2018-0755ExploitThird Party Advisory

FAQ

What is CVE-2018-4071?

CVE-2018-4071 is a vulnerability with a CVSS score of 8.8 (HIGH). An exploitable Information Disclosure vulnerability exists in the ACEManager EmbeddedAceGet_Task.cgi functionality of Sierra Wireless AirLink ES450 FW 4.9.3. The EmbeddedAceTLGet_Task.cgi executable i...

How severe is CVE-2018-4071?

CVE-2018-4071 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-4071?

Check the references section above for vendor advisories and patch information. Affected products include: Sierrawireless Airlink Es450 Firmware, Sierrawireless Airlink Es450.