CVE-2020-5566
Improper authorization vulnerability in Cybozu Garoon 4.0.0 to 4.10.3 allows remote authenticated...
Improper authorization vulnerability in Cybozu Garoon 4.0.0 to 4.10.3 allows remote authenticated attackers to alter the application's data via the applications 'E-mail' and 'Messages'.
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
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
Improper authorization vulnerability in Cybozu Garoon 4.0.0 to 4.10.3 allows remote authenticated attackers to alter the application's data via the applications 'E-mail' and 'Messages'.
- Record
CVE-2020-5566- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N - CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:N/I:P/A:N - Updated
- 2026-11-02
CVE List No score
Improper authorization vulnerability in Cybozu Garoon 4.0.0 to 4.10.3 allows remote authenticated attackers to alter the application's data via the applications 'E-mail' and 'Messages'.
- Record
CVE-2020-5566- Updated
- 2026-11-02
EUVDEUVD-2020-26728 No score
Improper authorization vulnerability in Cybozu Garoon 4.0.0 to 4.10.3 allows remote authenticated attackers to alter the application's data via the applications 'E-mail' and 'Messages'.
- Record
EUVD-2020-26728- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-w64g-g6j6-ph4q No score
Improper authorization vulnerability in Cybozu Garoon 4.0.0 to 4.10.3 allows remote authenticated...
Improper authorization vulnerability in Cybozu Garoon 4.0.0 to 4.10.3 allows remote authenticated attackers to alter the application's data via the applications 'E-mail' and 'Messages'.
- Record
GHSA-w64g-g6j6-ph4q- Weakness
- CWE-862
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-5566 is a medium vulnerability (CVSS 4.3) in Cybozu Garoon, published April 28, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.06%, the 64th percentile. No source names a fixed version.