Out-of-bounds Read in Webroot Secure Anywhere
CVE-2021-40425
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. An IOCTL_B03 request with specific invalid data causes a similar issue in the device driver WRCore_x64. An attacker can issue an ioctl to trigger this vulnerability.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.003 (24.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 24th percentile — 24.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
Affected products
- Webroot Secure Anywhere — versions 21.4
- Webroot Secureanywhere — versions 21.4
Weakness classification (CWE)
References
- talosintelligence.com/vulnerability_reports/TALOS-2021-1433 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-40425?
- CVE-2021-40425 is a medium-severity vulnerability in Webroot Secure Anywhere, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2022-04-14.
- How severe is CVE-2021-40425?
- Medium severity. CVSS v3 base score is 6.5 out of 10.