CVE-2021-33491

Public Exploit

Description

OX App Suite through 7.10.5 allows Directory Traversal via ../ in an OOXML or ODF ZIP archive, because of the mishandling of relative paths in mail addresses in conjunction with auto-configuration DNS records.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 4.37% Top 15%
Vendor Advisory open-xchange.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://open-xchange.com product vendor advisory
https://seclists.org/fulldisclosure/2021/Nov/42 mailing list third party advisory exploit
http://packetstormsecurity.com/files/165028/OX-App-Suite-Ox-Documents-7.10.x-XSS-Code-Injection-Traversal.html third party advisory vdb entry exploit

Frequently Asked Questions

What is the severity of CVE-2021-33491?
CVE-2021-33491 has been scored as a medium severity vulnerability.
How to fix CVE-2021-33491?
To fix CVE-2021-33491, 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-2021-33491 being actively exploited in the wild?
It is possible that CVE-2021-33491 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~4% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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