CVE-2021-33477 is a high-severity vulnerability affecting rxvt-unicode, rxvt, mrxvt, and Eterm, allowing for potential remote code execution due to improper handling of specific escape sequences. With a CVSS score of 8.8, it presents a significant risk, as an attacker with low privileges can exploit it over a network with low complexity, leading to high impact on confidentiality, integrity, and availability. Despite its severity, there is no evidence of active exploitation, no known public exploit code (Metasploit, Nuclei, ExploitDB), and minimal community discussion or media coverage beyond a single article.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
0.9.7CPE matchmatch criteria | cpe:2.3:a:eterm_project:eterm:0.9.7:*:*:*:*:*:*:* | ||
0.5.4CPE matchmatch criteria | cpe:2.3:a:mrxvt_project:mrxvt:0.5.4:*:*:*:*:*:*:* | ||
9.22CPE matchmatch criteria | cpe:2.3:a:rxvt-unicode_project:rxvt-unicode:9.22:*:*:*:*:*:*:* | ||
2.7.10CPE matchmatch criteria | cpe:2.3:a:rxvt_project:rxvt:2.7.10:*:*:*:*:*:*:* | ||
33CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.