CVE-2021-0474 is a critical heap buffer overflow vulnerability in the avrc_msg_cback function of avrc_api.cc, affecting Android versions 8.1 through 11. This flaw allows for remote code execution without requiring user interaction or additional execution privileges. With a CVSS score of 9.8 (CRITICAL), it presents a significant risk due to its network-based attack vector and low attack complexity, potentially leading to complete compromise of confidentiality, integrity, and availability. While no public exploit code (Metasploit, Nuclei, ExploitDB) is currently available and it's not listed in CISA's KEV catalog, the vulnerability has garnered some community discussion and media coverage, indicating awareness within the security community.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
8.1CPE matchmatch criteria | cpe:2.3:o:google:android:8.1:*:*:*:*:*:*:* | ||
9.0CPE matchmatch criteria | cpe:2.3:o:google:android:9.0:*:*:*:*:*:*:* | ||
10.0CPE matchmatch criteria | cpe:2.3:o:google:android:10.0:*:*:*:*:*:*:* | ||
11.0CPE matchmatch criteria | cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.