CVE-2018-0683 is a critical buffer overflow vulnerability affecting NEOJAPAN Inc.'s Denbun POP (V3.3P R4.0 and earlier) and Denbun IMAP (V3.3I R4.0 and earlier) email server products. This flaw allows unauthenticated remote attackers to execute arbitrary code or trigger a denial-of-service condition by manipulating Cookie data. With a CVSS score of 9.8 (CRITICAL), it presents a high risk due to its network-based attack vector, low attack complexity, and potential for complete compromise of confidentiality, integrity, and availability. While there is no known active exploitation, public exploit code, or Metasploit module, the vulnerability has garnered significant community discussion, indicating awareness and potential for future exploitation.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 3.3i_r4.0CPE matchmatch criteria | cpe:2.3:a:neo:debun_imap:*:*:*:*:*:*:*:* | ||
<= 3.3p_r4.0CPE matchmatch criteria | cpe:2.3:a:neo:debun_pop:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/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, 0.3 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.