CVE-2020-27800 describes a heap-based buffer over-read vulnerability in the get_le32 function of UPX 4.0.0, triggered by a specially crafted Mach-O file. This high-severity flaw (CVSS 7.8) could lead to significant confidentiality, integrity, and availability impacts if exploited, requiring user interaction to process the malicious file. While the FAUCET Risk Score is 57/100, there is currently no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.
| 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.