What is CVE-2021-43638?

CVE-2021-43638 is a high-severity vulnerability in Amazon Workspaces, classified under Integer Overflow or Wraparound. CVSS score: 8.8/10. Published 2021-12-07.

How severe is CVE-2021-43638?

High severity. CVSS v3 base score is 8.8 out of 10.

Integer overflow in Amazon Workspaces

CVE-2021-43638

Amazon Amazon WorkSpaces agent is affected by Integer Overflow. IOCTL Handler 0x22001B in the Amazon WorkSpaces agent below v1.0.1.1537 allow local attackers to execute arbitrary code in kernel mode or cause a denial of service (memory cor…

Vulnerability class: Integer Overflow

EPSS: 0.005 (41.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Amazon Workspaces
N/a — versions n/a

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

cve@mitre.org (Technical Description, Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-43638?: CVE-2021-43638 is a high-severity vulnerability in Amazon Workspaces, classified under Integer Overflow or Wraparound. CVSS score: 8.8/10. Published 2021-12-07.
How severe is CVE-2021-43638?: High severity. CVSS v3 base score is 8.8 out of 10.