CVE-2021-33576

Public Exploit

Description

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.63%
Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/atredispartners/advisories/blob/master/ATREDIS-2020-0011.md third party advisory exploit
https://www.cleo.com/cleo-lexicom product

Frequently Asked Questions

What is the severity of CVE-2021-33576?
CVE-2021-33576 has been scored as a critical severity vulnerability.
How to fix CVE-2021-33576?
To fix CVE-2021-33576, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-33576 being actively exploited in the wild?
It is possible that CVE-2021-33576 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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