CVE-2021-30355
HIGHCVSS 8.6/10EPSS 6.91%
Last modified
CVE-2021-30355 is a high-severity vulnerability rated 8.6/10 on the CVSS scale. Amazon Kindle e-reader prior to and including version 5.13.4 improperly manages privileges, allowing the framework user to elevate privileges to root.. EPSS estimates a 6.91% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Amazon | Kindle Firmware | <= 5.13.4 |
References
- https://research.checkpoint.com/2021/i-can-take-over-your-kindle/Exploit, Third Party Advisory
- https://research.checkpoint.com/2021/i-can-take-over-your-kindle/Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-30355?
Amazon Kindle e-reader prior to and including version 5.13.4 improperly manages privileges, allowing the framework user to elevate privileges to root.
How severe is CVE-2021-30355?
CVE-2021-30355 has a CVSS score of 8.6/10 (HIGH severity). The EPSS model estimates a 6.91% probability of exploitation in the next 30 days.
How do I fix CVE-2021-30355?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-30349Improper access control sequence for AC database after memor…6.7
- CVE-2021-3035An unsafe deserialization vulnerability in Bridgecrew Checko…7.2
- CVE-2021-30350Lack of MBN header size verification against input buffer ca…7.8
- CVE-2021-30351An out of bound memory access can occur due to improper vali…9.8
- CVE-2021-30353Improper validation of function pointer type with actual fun…7.5
- CVE-2021-30354Amazon Kindle e-reader prior to and including version 5.13.4…8.6
- CVE-2021-30356A denial of service vulnerability was reported in Check Poin…8.1
- CVE-2021-30357SSL Network Extender Client for Linux before build 800008302…5.3
- CVE-2021-30358Mobile Access Portal Native Applications who's path is defin…7.2
- CVE-2021-30359The Harmony Browse and the SandBlast Agent for Browsers inst…7.8
- CVE-2021-3036An information exposure through log file vulnerability exist…4.4
- CVE-2021-30360Users have access to the directory where the installation re…7.8
Are you affected by CVE-2021-30355?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST