CVE-2021-33577 describes a bypass vulnerability in Cleo LexiCom 5.5.0.0, allowing an attacker to circumvent the AS2 message sender identification requirement by altering the Content-Type to text/plain. This medium-severity vulnerability (CVSS 5.3) has a low attack complexity and can lead to integrity impacts, as sender authentication is compromised. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
5.5.0.0CPE matchmatch criteria | cpe:2.3:a:cleo:lexicom:5.5.0.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.