CVE-2021-33576

moderate-risk
Published 2021-06-18

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.

Do I need to act?

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0.63% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Cleo

References (4)

Exploit https://github.com/atredispartners/advisories/blob/master/ATREDIS-2020-0011.md
Product https://www.cleo.com/cleo-lexicom
Exploit https://github.com/atredispartners/advisories/blob/master/ATREDIS-2020-0011.md
Product https://www.cleo.com/cleo-lexicom
39
/ 100
moderate-risk
Severity 32/34 · Critical
Exploitability 2/34 · Minimal
Exposure 5/34 · Minimal