CVE-2021-38084 is a high-severity vulnerability affecting the POP3 component of Courier Mail Server versions prior to 1.1.5. A man-in-the-middle attacker can exploit this by pipelining commands after the POP3 STLS command, injecting plaintext commands into an otherwise encrypted user session, leading to high impact on confidentiality, integrity, and availability. Despite its high CVSS score of 8.1, there is currently no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.1.5CPE matchmatch criteria | cpe:2.3:a:courier-mta:courier_mail_server:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 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.
Remediation records are not available for this CVE.