7.8
HIGH
CVE-2020-8781
ALEOS Root Escalation Vulnerability
Description

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

INFO

Published Date :

Oct. 6, 2020, 2:15 p.m.

Last Modified :

Nov. 21, 2024, 5:39 a.m.

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2020-8781 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Sierrawireless aleos
2 Sierrawireless airlink_es440
3 Sierrawireless airlink_es450
4 Sierrawireless airlink_gx440
5 Sierrawireless airlink_gx450
6 Sierrawireless airlink_ls300
7 Sierrawireless airlink_lx40
8 Sierrawireless airlink_lx60
9 Sierrawireless airlink_mp70
10 Sierrawireless airlink_mp70e
11 Sierrawireless airlink_rv50
12 Sierrawireless airlink_rv50x
13 Sierrawireless airlink_gx400
14 Sierrawireless airlink_rv55
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-8781.

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

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-8781 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-8781 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://source.sierrawireless.com/resources/security-bulletins/sierra-wireless-technical-bulletin---swi-psa-2020-005/
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Reanalysis by [email protected]

    Feb. 09, 2022

    Action Type Old Value New Value
    Changed CPE Configuration AND OR *cpe:2.3:o:sierrawireless:aleos:*:*:*:*:*:*:*:* versions from (including) 4.11.0 up to (excluding) 4.14.0 OR cpe:2.3:h:sierawireless:airlink_es440:-:*:*:*:*:*:*:* cpe:2.3:h:sierawireless:airlink_es450:-:*:*:*:*:*:*:* cpe:2.3:h:sierawireless:airlink_gx400:-:*:*:*:*:*:*:* cpe:2.3:h:sierawireless:airlink_gx440:-:*:*:*:*:*:*:* cpe:2.3:h:sierawireless:airlink_gx450:-:*:*:*:*:*:*:* cpe:2.3:h:sierawireless:airlink_ls300:-:*:*:*:*:*:*:* cpe:2.3:h:sierawireless:airlink_lx40:-:*:*:*:*:*:*:* cpe:2.3:h:sierawireless:airlink_lx60:-:*:*:*:*:*:*:* cpe:2.3:h:sierawireless:airlink_mp70:-:*:*:*:*:*:*:* cpe:2.3:h:sierawireless:airlink_mp70e:-:*:*:*:*:*:*:* cpe:2.3:h:sierawireless:airlink_rv50:-:*:*:*:*:*:*:* cpe:2.3:h:sierawireless:airlink_rv50x:-:*:*:*:*:*:*:* cpe:2.3:h:sierawireless:airlink_rv55:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:sierrawireless:aleos:*:*:*:*:*:*:*:* versions from (including) 4.11.0 up to (excluding) 4.14.0 OR cpe:2.3:h:sierrawireless:airlink_es440:-:*:*:*:*:*:*:* cpe:2.3:h:sierrawireless:airlink_es450:-:*:*:*:*:*:*:* cpe:2.3:h:sierrawireless:airlink_gx400:-:*:*:*:*:*:*:* cpe:2.3:h:sierrawireless:airlink_gx440:-:*:*:*:*:*:*:* cpe:2.3:h:sierrawireless:airlink_gx450:-:*:*:*:*:*:*:* cpe:2.3:h:sierrawireless:airlink_ls300:-:*:*:*:*:*:*:* cpe:2.3:h:sierrawireless:airlink_lx40:-:*:*:*:*:*:*:* cpe:2.3:h:sierrawireless:airlink_lx60:-:*:*:*:*:*:*:* cpe:2.3:h:sierrawireless:airlink_mp70:-:*:*:*:*:*:*:* cpe:2.3:h:sierrawireless:airlink_mp70e:-:*:*:*:*:*:*:* cpe:2.3:h:sierrawireless:airlink_rv50:-:*:*:*:*:*:*:* cpe:2.3:h:sierrawireless:airlink_rv50x:-:*:*:*:*:*:*:* cpe:2.3:h:sierrawireless:airlink_rv55:-:*:*:*:*:*:*:*
  • CWE Remap by [email protected]

    Jul. 21, 2021

    Action Type Old Value New Value
    Changed CWE CWE-20 NVD-CWE-noinfo
  • Initial Analysis by [email protected]

    Oct. 09, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:C/I:C/A:C)
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://source.sierrawireless.com/resources/security-bulletins/sierra-wireless-technical-bulletin---swi-psa-2020-005/ No Types Assigned https://source.sierrawireless.com/resources/security-bulletins/sierra-wireless-technical-bulletin---swi-psa-2020-005/ Vendor Advisory
    Added CWE NIST CWE-20
    Added CPE Configuration AND OR *cpe:2.3:o:sierrawireless:aleos:*:*:*:*:*:*:*:* versions from (including) 4.11.0 up to (excluding) 4.14.0 OR cpe:2.3:h:sierawireless:airlink_es440:-:*:*:*:*:*:*:* cpe:2.3:h:sierawireless:airlink_es450:-:*:*:*:*:*:*:* cpe:2.3:h:sierawireless:airlink_gx400:-:*:*:*:*:*:*:* cpe:2.3:h:sierawireless:airlink_gx440:-:*:*:*:*:*:*:* cpe:2.3:h:sierawireless:airlink_gx450:-:*:*:*:*:*:*:* cpe:2.3:h:sierawireless:airlink_ls300:-:*:*:*:*:*:*:* cpe:2.3:h:sierawireless:airlink_lx40:-:*:*:*:*:*:*:* cpe:2.3:h:sierawireless:airlink_lx60:-:*:*:*:*:*:*:* cpe:2.3:h:sierawireless:airlink_mp70:-:*:*:*:*:*:*:* cpe:2.3:h:sierawireless:airlink_mp70e:-:*:*:*:*:*:*:* cpe:2.3:h:sierawireless:airlink_rv50:-:*:*:*:*:*:*:* cpe:2.3:h:sierawireless:airlink_rv50x:-:*:*:*:*:*:*:* cpe:2.3:h:sierawireless:airlink_rv55:-:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Oct. 06, 2020

    Action Type Old Value New Value
    Changed Description Sierra Wireless ALEOS 4.11 through 4.13.0 has an Improper Authorization issue. Lack of input sanitization in UpdateRebootMgr service of ALEOS 4.11 and later allow an escalation to root from a low-privilege process.
    Removed Reference https://source.sierrawireless.com/resources/airlink/software_reference_docs/release-notes/aleos-4,-d-,14,-d-,0-release-notes/ [No Types Assigned]
    Removed Reference https://www.sierrawireless.com/company/security/ [No Types Assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-8781 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2020-8781 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.05 }} 0.00%

score

0.13870

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability