CVE-2020-27799 is a heap-based buffer over-read vulnerability in the acc_ua_get_be32 function within miniacc.h of UPX 4.0.0, triggered by a specially crafted Mach-O file. Rated 7.8 HIGH, this vulnerability allows for high impact to confidentiality, integrity, and availability with low attack complexity, requiring user interaction. Despite its high severity, there is no evidence of active exploitation, public exploit code, or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
4.0.0CPE matchmatch criteria | cpe:2.3:a:upx:upx:4.0.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.