Vulnerability · Published Apr 14, 2022 · Assigned by talos

CVE-2021-40424

High 7.1

In plain English

A high-severity out-of-bounds read in Secure Anywhere from Webroot. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 27% of all known vulnerabilities).

Severity (CVSS 3.0)7.1High

Exploit odds (30 days)0.3%top 73.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

An out-of-bounds read vulnerability exists in the IOCTL GetProcessCommand and B_03 of Webroot Secure Anywhere 21.4. A specially-crafted executable can lead to denial of service. An attacker can issue an ioctl to trigger this vulnerability. An out-of-bounds read vulnerability exists in the IOCTL GetProcessCommand and B_03 of Webroot Secure Anywhere 21.4. The GetProcessCommandLine IOCTL request could cause an out-of-bounds read in the device driver WRCore_x64. An attacker can issue an ioctl to trigger this vulnerability.

Affected products (as reported)

Vendor	Product	Versions
Webroot	Secure Anywhere	21.4

Weakness: CWE-125 · Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

References

https://talosintelligence.com/vulnerability_reports/TALOS-2021-1433 x_refsource_MISC