Improper Authorization in OX Documents
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-28093 |
| CWE-ID | CWE-285 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
OX Documents Client/Desktop applications / Other client software |
| Vendor |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Improper Authorization
EUVDB-ID: #VU55249
Risk: Medium
CVSSv3.1: 5.2 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-28093
CWE-ID:
CWE-285 - Improper Authorization
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to bypass authorization checks.
The vulnerability exists due to the affeczed cache uses a weak mechanisms (Adler32) to create cache keys. A remote authenticated attacker can swap image content by hash key colissions.
MitigationInstall updates from vendor's website.
Vulnerable software versionsOX Documents: before 7.10.5-rev5
External linkshttp://seclists.org/fulldisclosure/2021/Jul/37
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
