What is CVE-2020-8781?

CVE-2020-8781 is a vulnerability in the UpdateRebootMgr service of ALEOS 4.11 and later that allows for an escalation to root from a low-privilege process.

Which software versions are affected by CVE-2020-8781?

CVE-2020-8781 affects ALEOS versions 4.11.0 to 4.14.0.

Is Sierrawireless Airlink Es440 affected by CVE-2020-8781?

No, Sierrawireless Airlink Es440 is not vulnerable to CVE-2020-8781.

What is the severity of CVE-2020-8781?

CVE-2020-8781 has a severity score of 7.8 (high).

How can I fix CVE-2020-8781?

To fix CVE-2020-8781, it is recommended to upgrade to a version of ALEOS that is not affected, specifically versions after 4.14.0.

Vulnerability/
CVE-2020-8781

high

7.8

6/10/2020

4/8/2024

CVE-2020-8781

First published: Tue Oct 06 2020(Updated: )

Lack of input sanitization in UpdateRebootMgr service of ALEOS 4.11 and later allow an escalation to root from a low-privilege process.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Sierrawireless Aleos	>=4.11.0<4.14.0
Sierrawireless Airlink Es440
Sierrawireless Airlink Es450
Sierrawireless Airlink Gx400
Sierrawireless Airlink Gx440
Sierrawireless Airlink Gx450
Sierrawireless Airlink Ls300
Sierrawireless Airlink Lx40
Sierrawireless Airlink Lx60
Sierrawireless Airlink Mp70
Sierrawireless Airlink Mp70e
Sierrawireless Airlink Rv50
Sierrawireless Airlink Rv50x
Sierrawireless Airlink Rv55

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Reference Links

https://source.sierrawireless.com/resources/security-bulletins/sierra-wireless-technical-bulletin---swi-psa-2020-005/

Frequently Asked Questions

What is CVE-2020-8781?
CVE-2020-8781 is a vulnerability in the UpdateRebootMgr service of ALEOS 4.11 and later that allows for an escalation to root from a low-privilege process.
Which software versions are affected by CVE-2020-8781?
CVE-2020-8781 affects ALEOS versions 4.11.0 to 4.14.0.
Is Sierrawireless Airlink Es440 affected by CVE-2020-8781?
No, Sierrawireless Airlink Es440 is not vulnerable to CVE-2020-8781.
What is the severity of CVE-2020-8781?
CVE-2020-8781 has a severity score of 7.8 (high).
How can I fix CVE-2020-8781?
To fix CVE-2020-8781, it is recommended to upgrade to a version of ALEOS that is not affected, specifically versions after 4.14.0.

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