Vulnerability · Published Mar 25, 2022 · Assigned by redhat

CVE-2021-3567

High 7.5

In plain English

A high-severity improper input validation in caribou. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 67% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)7.5High
Exploit odds (30 days)1.2%top 32.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

A flaw was found in Caribou due to a regression of CVE-2020-25712 fix. An attacker could use this flaw to bypass screen-locking applications that leverage Caribou as an input mechanism. The highest threat from this vulnerability is to system availability.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12caribou0.4.21-7.1DEBIAN-CVE-2021-3567
Debian:13caribou0.4.21-7.1DEBIAN-CVE-2021-3567
Debian:14caribou0.4.21-7.1DEBIAN-CVE-2021-3567

Affected products (as reported)

VendorProductVersions
n/a caribou caribou 0.4.21

Weakness: CWE-20

References