CVE-2021-30355 is a privilege escalation vulnerability affecting Amazon Kindle e-readers running firmware versions prior to and including 5.13.4. It allows a framework user to elevate privileges to root, posing a significant risk to device integrity. With a CVSS score of 8.6 (HIGH), this vulnerability is easily exploitable via local access and user interaction, potentially leading to complete compromise of confidentiality, integrity, and availability. While not currently listed in CISA's KEV catalog, the vulnerability has garnered community discussion and media coverage, including a DEFCON presentation highlighting its potential impact, though no public exploit code is readily available.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 5.13.4CPE matchmatch criteria | cpe:2.3:o:amazon:kindle_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.