CVE-2021-23927
OX App Suite through 7.10.4 allows SSRF via a URL with an @ character in an appsuite/api/oauth...
OX App Suite through 7.10.4 allows SSRF via a URL with an @ character in an appsuite/api/oauth/proxy PUT request.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
6.4
OX App Suite through 7.10.4 allows SSRF via a URL with an @ character in an appsuite/api/oauth/proxy PUT request.
- Record
CVE-2021-23927- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N - CVSS 2.0
- 5.5 Medium
AV:N/AC:L/Au:S/C:P/I:P/A:N - Weakness
- CWE-918
- Updated
- 2026-11-02
CVE List No score
OX App Suite through 7.10.4 allows SSRF via a URL with an @ character in an appsuite/api/oauth/proxy PUT request.
- Record
CVE-2021-23927- Updated
- 2026-11-02
EUVDEUVD-2021-10849 No score
OX App Suite through 7.10.4 allows SSRF via a URL with an @ character in an appsuite/api/oauth/proxy PUT request.
- Record
EUVD-2021-10849- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-xwhw-2q44-qw48 No score
OX App Suite through 7.10.4 allows SSRF via a URL with an @ character in an appsuite/api/oauth...
OX App Suite through 7.10.4 allows SSRF via a URL with an @ character in an appsuite/api/oauth/proxy PUT request.
- Record
GHSA-xwhw-2q44-qw48- Weakness
- CWE-918
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-23927 is a medium vulnerability (CVSS 6.4) in Open-xchange Appsuite, published January 12, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.77%, the 55th percentile. No source names a fixed version.