CVE-2021-37786 describes a denial-of-service vulnerability affecting specific Federal Office of Information Technology Systems and Telecommunication (FOITT) COVID Certificate applications on iOS, including versions 2.2.0 and below. This flaw stems from improper handling of exceptional conditions, allowing a physically proximate attacker to trigger a denial of service by scanning a specially crafted QR code. Rated with a CVSS score of 4.6 (Medium), the vulnerability requires physical proximity but has low attack complexity and no user interaction, resulting in a high impact on availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2.2.0CPE matchmatch criteria | cpe:2.3:a:bag:covid_certificate:*:*:*:*:*:iphone_os:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 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 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.