CVE-2021-33491
MEDIUMCVSS 6.5/10EPSS 2.44%
Last modified
CVE-2021-33491 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 2.44% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Open-Xchange | Ox App Suite | <= 7.10.5 |
References
- http://packetstormsecurity.com/files/165028/OX-App-Suite-Ox-Documents-7.10.x-XSS-Code-Injection-Traversal.htmlExploit, Third Party Advisory, VDB Entry
- https://open-xchange.comProduct, Vendor Advisory
- https://seclists.org/fulldisclosure/2021/Nov/42Exploit, Mailing List, Third Party Advisory
- http://packetstormsecurity.com/files/165028/OX-App-Suite-Ox-Documents-7.10.x-XSS-Code-Injection-Traversal.htmlExploit, Third Party Advisory, VDB Entry
- https://open-xchange.comProduct, Vendor Advisory
- https://seclists.org/fulldisclosure/2021/Nov/42Exploit, Mailing List, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2021-33491?
CVE-2021-33491 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 2.44% probability of exploitation in the next 30 days.
How do I fix CVE-2021-33491?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-33485CODESYS Control Runtime system before 3.5.17.10 has a Heap-b…9.8
- CVE-2021-33486All versions of the CODESYS V3 Runtime Toolkit for VxWorks f…7.5
- CVE-2021-33488chat in OX App Suite 7.10.5 has Improper Input Validation. A…6.1
- CVE-2021-33489OX App Suite through 7.10.5 allows XSS via JavaScript code i…6.1
- CVE-2021-3349GNOME Evolution through 3.38.3 produces a "Valid signature" …3.3
- CVE-2021-33490OX App Suite through 7.10.5 allows XSS via a crafted snippet…6.1
- CVE-2021-33492OX App Suite 7.10.5 allows XSS via an OX Chat room name.6.1
- CVE-2021-33493The middleware component in OX App Suite through 7.10.5 allo…6
- CVE-2021-33494OX App Suite 7.10.5 allows XSS via an OX Chat room title dur…6.1
- CVE-2021-33495OX App Suite 7.10.5 allows XSS via an OX Chat system message…6.1
- CVE-2021-33496Dutchcoders transfer.sh before 1.2.4 allows XSS via an inlin…6.1
- CVE-2021-33497Dutchcoders transfer.sh before 1.2.4 allows Directory Traver…9.1
Are you affected by CVE-2021-33491?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST