CVE-2021-3727 describes a critical command injection vulnerability (CWE-78) affecting the rand-quote and hitokoto plugins within Oh My Zsh. These plugins, which fetch quotes from external APIs, failed to properly sanitize input, allowing specially crafted quotes to execute arbitrary commands via the print -P function. With a CVSS score of 9.8 (CRITICAL), this vulnerability is easily exploitable over the network with low attack complexity, potentially leading to complete compromise of confidentiality, integrity, and availability. While there is no evidence of active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion with 10 mentions, indicating awareness. Users are advised to update their Oh My Zsh installation to the patched version.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 72928432CPE matchmatch criteria | cpe:2.3:a:planetargon:oh_my_zsh:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/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, 0.3 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.