CVE-2021-33491
OX App Suite through 7.10.5 allows Directory Traversal via ../ in an OOXML or ODF ZIP archive,...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2021-33491- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:N/I:P/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
CVE ListNo score
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.
- Record
CVE-2021-33491- Updated
- 2026-11-02
EUVDEUVD-2021-20194No score
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.
- Record
EUVD-2021-20194- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-jcf7-7gj6-2qmr
OX App Suite through 7.10.5 allows Directory Traversal via ../ in an OOXML or ODF ZIP archive,...
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.
- Record
GHSA-jcf7-7gj6-2qmr- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2021-33491- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-33491 is a medium vulnerability (CVSS 6.5) in Open-xchange Ox App Suite, published November 22, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.52%, the 85th percentile. No source names a fixed version.