What is CVE-2021-27243?

CVE-2021-27243 is a high-severity vulnerability in Parallels Desktop, classified under Integer Overflow or Wraparound. CVSS score: 8.8/10. Published 2021-03-29.

How severe is CVE-2021-27243?

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

Integer overflow in Parallels Desktop

CVE-2021-27243

This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop 16.0.1-48919. An attacker must first obtain the ability to execute low-privileged code on the target guest system in order to e…

Vulnerability class: Integer Overflow

EPSS: 0.003 (19.4th 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

Parallels Desktop — versions 16.0.1-48919
Parallels Parallels_desktop — versions 16.0.1

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

zdi-disclosures@trendmicro.com (x_refsource_MISC, Vendor Advisory)
zdi-disclosures@trendmicro.com (VDB Entry, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-27243?: CVE-2021-27243 is a high-severity vulnerability in Parallels Desktop, classified under Integer Overflow or Wraparound. CVSS score: 8.8/10. Published 2021-03-29.
How severe is CVE-2021-27243?: High severity. CVSS v3 base score is 8.8 out of 10.