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Vulnerability record · CVE-2021-30355 · published 1 September 2021

CVE-2021-30355: Amazon kindle firmware improper privilege management vulnerability

Amazon · Kindle Firmware

Amazon Kindle e-reader prior to and including version 5.13.4 improperly manages privileges, allowing the framework user to elevate privileges to root.

8.6 CVSS 3.1 High EPSS 6.9% · top 6.1% CWE-269 · Improper privilege management
8.6CVSS 3.1 base score, v2 9.3
6.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

Amazon Kindle e-reader prior to and including version 5.13.4 improperly manages privileges, allowing the framework user to elevate privileges to root.

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://research.checkpoint.com/2021/i-can-take-over-your-kindle/ ExploitThird Party Advisory
https://research.checkpoint.com/2021/i-can-take-over-your-kindle/ ExploitThird Party Advisory

Track CVE-2021-30355 inside VULONE

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.6CVE-2021-30354Amazon kindle firmware integer overflow vulnerabilityAmazon Kindle e-reader prior to and including version 5.13.4 contains an Integer Overflow that leads to a Heap-Based Buffer Overflow in function CJBi…EPSS 8.4%9.9CVE-2026-84869ScreenConnect client allows unauthorized file transfer and execution in remote sessionsA flaw in the ConnectWise ScreenConnect client lets files be transferred and executed inside an active remote session without authorization or Host c…KEVEPSS 0.92%analysed9.8CVE-2026-46817Oracle E-Business Suite Payments missing authentication allows takeoverOracle Payments in Oracle E-Business Suite 12.2.3 through 12.2.15 contains an easily exploitable flaw in the File Transmission component. An unauthen…KEVEPSS 0.81%analysed7.8CVE-2026-21533Windows Remote Desktop improper privilege management allows local elevationWindows Remote Desktop contains an improper privilege management flaw (CWE-269) that lets an authorized attacker elevate privileges locally. It affec…KEVEPSS 4.1%analysed5.1CVE-2024-8068Citrix Session Recording privilege escalation to NetworkServiceCitrix Session Recording contains an improper privilege management flaw (CWE-269) that lets an authenticated attacker escalate to the NetworkService …KEVEPSS 3.5%analysed9.8CVE-2024-49035Microsoft Partner Center improper access control allows privilege elevationPartner.Microsoft.com contains an improper access control flaw (CWE-269) that lets an unauthenticated attacker elevate privileges over the network. M…KEVEPSS 1.3%analysed8.8CVE-2013-0643Adobe Flash Player Firefox sandbox privilege escalationAdobe Flash Player's Firefox sandbox does not properly restrict privileges, allowing crafted SWF content to escape the sandbox and run code with high…KEVEPSS 11%analysed7.8CVE-2024-38014Windows Installer Elevation of Privilege FlawCVE-2024-38014 is an elevation of privilege vulnerability in the Windows Installer, classified as improper privilege management (CWE-269). It affects…KEVEPSS 6.3%analysed

Source: NIST National Vulnerability Database (record CVE-2021-30355), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.