CVE-2020-5211 is a critical buffer overflow vulnerability affecting NetHack versions prior to 3.6.5. This flaw allows an invalid extended command in the AUTOCOMPLETE configuration option to trigger a crash, or potentially remote code execution and privilege escalation. With a CVSS score of 9.8, it poses a severe risk, especially on systems where NetHack is installed with suid/sgid permissions or allows user-uploaded configuration files. There is currently no public exploit code, nor is there evidence of active exploitation or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 3.6.5CPE matchmatch criteria | cpe:2.3:a:nethack:nethack:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:L
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 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.