Path Traversal in Cleo Lexicom
CVE-2021-33576
An issue was discovered in Cleo LexiCom 5.5.0.0. Within the AS2 message, the sender can specify a filename. This filename can include path-traversal characters, allowing the file to be written to an arbitrary location on disk.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.015 (74.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 74.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
- Cleo Lexicom — versions 5.5.0.0
Weakness classification (CWE)
References
- github.com/atredispartners/advisories/blob/master/ATREDIS-2020-0011.md (Exploit, Third Party Advisory)
- www.cleo.com/cleo-lexicom (Product)
Frequently asked questions
- What is CVE-2021-33576?
- CVE-2021-33576 is a critical-severity vulnerability in Cleo Lexicom, classified under Path Traversal. CVSS score: 9.8/10. Published 2021-06-18.
- How severe is CVE-2021-33576?
- Critical severity. CVSS v3 base score is 9.8 out of 10.