CVE-2020-7211 describes a directory traversal vulnerability in tftp.c of libslirp 4.1.0, affecting QEMU 4.2.0 on Windows. An unauthenticated attacker can exploit this flaw over the network to read arbitrary files outside the intended TFTP directory. With a CVSS score of 7.5 (High), this vulnerability allows for high confidentiality impact without requiring user interaction or complex attack conditions. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
4.1.0CPE matchmatch criteria | cpe:2.3:a:libslirp_project:libslirp:4.1.0:*:*:*:*:*:*:* | ||
4.2.0CPE matchmatch criteria | cpe:2.3:a:qemu:qemu:4.2.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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.
CVE-2020-7211
Aug 11, 2020tftp.c in libslirp 4.1.0 as used in QEMU 4.2.0 does not prevent ..\ directory traversal on Windows.
Jan 14, 2020QEMU: Slirp: potential directory traversal using relative paths via tftp server on Windows host
Dec 30, 2019