CVE-2021-20777 describes an improper authorization vulnerability in the GU App for Android, specifically versions 4.8.0 to 5.0.2. This medium-severity vulnerability (CVSS 4.3) allows a remote attacker to redirect users to arbitrary websites through a custom URL scheme, requiring user interaction but having a low impact on integrity and no impact on confidentiality or availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 4.8.0, <= 5.0.2CPE matchmatch criteria | cpe:2.3:a:gu-global:gu:*:*:*:*:*:android:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.