CVE-2021-28095 json
OX Documents before 7.10.5-rev5 has Incorrect Access Control for documents that contain XML structures because hash collisions can occur, d…
published 2021-07-27 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-14799
- cvss
- 4.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 60%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- open-xchange open-xchange_documents 7.10.5
Exploit prediction
0.90% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 4.8 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N |
| NVD | 2.0 | 5.8 | AV:N/AC:M/Au:N/C:P/I:P/A:N |
Classification
- Weakness
-
- CWE-326 Inadequate Encryption Strength
References
-
open-xchange.com
product
-
seclists.org
/fulldisclosure/2021/Jul/37
mailing-list, third-party-advisory
-
packetstormsecurity.com
/files/163569/OX-Documents-7.10.5-Improper-Authorization.html
third-party-advisory, vdb-entry
Sources
- CVE List CVE-2021-28095
- NVD CVE-2021-28095
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.