CVE-2021-33576 is a critical path traversal vulnerability affecting Cleo LexiCom 5.5.0.0. An unauthenticated attacker can manipulate the filename within an AS2 message to write arbitrary files to any location on the disk, potentially leading to full system compromise. With a CVSS score of 9.8, this vulnerability is easily exploitable over the network with low complexity and no user interaction, allowing for high impact to confidentiality, integrity, and availability. Currently, there is no public exploit code available, nor is there evidence of active exploitation 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: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.