CVE-2020-6840 describes a critical use-after-free vulnerability (CWE-416) in mruby version 2.1.0, specifically within the hash_slice function of the mruby-hash-ext component. This flaw carries a CVSS v3.1 score of 9.8, indicating a severe risk due to its network-exploitable nature, low attack complexity, and potential for complete compromise of confidentiality, integrity, and availability. While highly severe, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
2.1.0CPE matchmatch criteria | cpe:2.3:a:mruby:mruby:2.1.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
No social media mentions found for this CVE.
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.