What is CVE-2021-31420?

CVE-2021-31420 is a high-severity vulnerability in Parallels Desktop, classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2021-04-29.

How severe is CVE-2021-31420?

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

Buffer overflow in Parallels Desktop

CVE-2021-31420

This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop 16.1.0-48950. An attacker must first obtain the ability to execute low-privileged code on the target guest system in order to e…

Vulnerability class: Buffer Overflow

EPSS: 0.004 (34.8th 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 16.1.0-48950
Parallels Parallels_desktop — versions 16.1.0-48950

Weakness classification (CWE)

CWE-121 — Stack-based Buffer Overflow

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-2021-31420?: CVE-2021-31420 is a high-severity vulnerability in Parallels Desktop, classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2021-04-29.
How severe is CVE-2021-31420?: High severity. CVSS v3 base score is 8.8 out of 10.