Path Traversal in Open-Xchange Ox App Suite

CVE-2021-33491

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.

Vulnerability class: Path Traversal (Directory Traversal)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.025 (84.2th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 84.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-33491: held from 0.024 to 0.025.

EPSS over last 30 days · oldest: 0.024 · newest: 0.025 · change: +0.001

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-33491?
CVE-2021-33491 is a medium-severity vulnerability in Open-Xchange Ox App Suite, classified under Path Traversal. CVSS score: 6.5/10. Published 2021-11-22.
How severe is CVE-2021-33491?
Medium severity. CVSS v3 base score is 6.5 out of 10.