CVE-2021-20618 is a critical privilege chaining vulnerability affecting acmailer versions 4.0.2 and earlier, and acmailer DB versions 1.1.4 and earlier. This flaw allows remote, unauthenticated attackers to bypass security measures and gain administrative privileges, potentially leading to the compromise of sensitive server information. With a CVSS score of 9.8, it represents a severe risk due to its network-based attack vector, low complexity, and high impact on confidentiality, integrity, and availability. Despite its critical severity, there is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 4.0.2CPE matchmatch criteria | cpe:2.3:a:acmailer:acmailer:*:*:*:*:*:*:*:* | ||
<= 1.1.4CPE matchmatch criteria | cpe:2.3:a:acmailer:acmailer_db:*:*:*:*:*:*:*:* |
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
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.