CVE-2021-46851 is a critical vulnerability affecting the Digital Rights Management (DRM) module in Huawei EMUI and HarmonyOS, stemming from improper verification of secure memory attributes. With a CVSS score of 9.8, this flaw allows unauthenticated remote attackers to cause abnormal video playback, leading to high impact on confidentiality, integrity, and availability. While no public exploits or active exploitation have been confirmed, the vulnerability has garnered significant community discussion, indicating awareness despite the lack of readily available exploit tools.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
12.0.0CPE matchmatch criteria | cpe:2.3:o:huawei:emui:12.0.0:*:*:*:*:*:*:* | ||
2.0CPE matchmatch criteria | cpe:2.3:o:huawei:harmonyos:2.0:*:*:*:*:*:*:* |
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.
No media coverage found for this CVE.
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.