VulnerabilityModified
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.
MEDIUM 4.8EPSS 0.90%
Does this matter?
Lower severity and a low EPSS score (0.90%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 4.8 MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
- EPSS
- 0.90% probability · 60th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-326
- Affected
- open-xchange/open-xchange documents
- Source
- cve@mitre.org
EPSS 0.9% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.