CVE-2020-8874 is a local privilege escalation vulnerability affecting Parallels Desktop 15.1.2-47123. The flaw, residing in the xHCI component, stems from improper validation of user-supplied data leading to an integer overflow during buffer allocation. An attacker with high-privileged code execution on the guest system can exploit this to gain hypervisor-level code execution. With a CVSS score of 6.7 (Medium), it requires local access and high privileges, but has a high impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 15.1.3CPE matchmatch criteria | cpe:2.3:a:parallels:parallels_desktop:*:*:*:*:*:macos:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.