CVE-2021-30355: amazon kindle_firmware Improper Privilege Management
CVSS: 9.3v2.0HighModified
Published 01-09-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-30355 is a high (CVSS 9.3) Improper Privilege Management vulnerability in amazon kindle_firmware. EPSS estimates a 6.91% chance of exploitation in the next 30 days, higher than 94% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.3/10
010
High · v2.0 (NVD)EPSS score
6.91%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 01-09-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
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 metrics
2 scores · 1 source · 2 versionsHigh 8.6Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:HSourcesSingle source
High 9.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:C/I:C/A:CSourcesSingle source
EPSS trend
Probability
6.91%
Chance of exploitation in the next 30 days
Percentile
94%
Versus all other CVEs
30-day change
0.00 pp
From 6.91% on 18-09-2026
18-09-202618-10-2026
EPSS score6.91%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (research.checkpoint.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Amazon1 product
- kindle_firmware≤ 5.13.4
1 vendor · 1 product
References
1 links- research.checkpoint.com/2021/i-can-take-over-your-kindle/X Refsource MISCExploitThird Party Advisory