CVE-2021-20762
Improper input validation vulnerability in E-mail of Cybozu Garoon 4.0.0 to 5.0.2 allows a remote...
Improper input validation vulnerability in E-mail of Cybozu Garoon 4.0.0 to 5.0.2 allows a remote authenticated to alter the data of E-mail without the appropriate privilege.
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 input validation vulnerability in E-mail of Cybozu Garoon 4.0.0 to 5.0.2 allows a remote authenticated to alter the data of E-mail without the appropriate privilege.
- Record
CVE-2021-20762- 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 - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
Improper input validation vulnerability in E-mail of Cybozu Garoon 4.0.0 to 5.0.2 allows a remote authenticated to alter the data of E-mail without the appropriate privilege.
- Record
CVE-2021-20762- Updated
- 2026-11-02
EUVDEUVD-2021-8174 No score
Improper input validation vulnerability in E-mail of Cybozu Garoon 4.0.0 to 5.0.2 allows a remote authenticated to alter the data of E-mail without the appropriate privilege.
- Record
EUVD-2021-8174- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-fj4q-8g6c-prxj No score
Improper input validation vulnerability in E-mail of Cybozu Garoon 4.0.0 to 5.0.2 allows a remote...
Improper input validation vulnerability in E-mail of Cybozu Garoon 4.0.0 to 5.0.2 allows a remote authenticated to alter the data of E-mail without the appropriate privilege.
- Record
GHSA-fj4q-8g6c-prxj- Weakness
- CWE-20
- 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-2021-20762 is a medium vulnerability (CVSS 4.3) in Cybozu Garoon, published August 18, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.80%, the 56th percentile. No source names a fixed version.