CVE-2021-28095
MEDIUMCVSS 4.8/10EPSS 0.90%
Last modified
CVE-2021-28095 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. OX Documents before 7.10.5-rev5 has Incorrect Access Control for documents that contain XML structures because hash collisions can occur, due to use of CRC32.. EPSS estimates a 0.90% chance of exploitation in the next 30 days.
Description
OX Documents before 7.10.5-rev5 has Incorrect Access Control for documents that contain XML structures because hash collisions can occur, due to use of CRC32.
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Open-Xchange | Open-Xchange Documents | < 7.10.5 |
| Open-Xchange | Open-Xchange Documents | 7.10.5 |
References
- http://packetstormsecurity.com/files/163569/OX-Documents-7.10.5-Improper-Authorization.htmlThird Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2021/Jul/37Mailing List, Third Party Advisory
- https://www.open-xchange.comProduct
- http://packetstormsecurity.com/files/163569/OX-Documents-7.10.5-Improper-Authorization.htmlThird Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2021/Jul/37Mailing List, Third Party Advisory
- https://www.open-xchange.comProduct
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-28095?
OX Documents before 7.10.5-rev5 has Incorrect Access Control for documents that contain XML structures because hash collisions can occur, due to use of CRC32.
How severe is CVE-2021-28095?
CVE-2021-28095 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 0.90% probability of exploitation in the next 30 days.
How do I fix CVE-2021-28095?
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.
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Are you affected by CVE-2021-28095?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST