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CVE-2021-20629

Cross-site scripting vulnerability in E-mail of Cybozu Office 10.0.0 to 10.8.4 allows remote...

6.1 Medium

Cross-site scripting vulnerability in E-mail of Cybozu Office 10.0.0 to 10.8.4 allows remote attackers to inject an arbitrary script via unspecified vectors.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
Low
Integrity
Low
Availability
None

Exploit likelihood

0.84%Up 0.1 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 6.1

Cross-site scripting vulnerability in E-mail of Cybozu Office 10.0.0 to 10.8.4 allows remote attackers to inject an arbitrary script via unspecified vectors.

Record
CVE-2021-20629
CVSS 3.1
6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness
CWE-79
Updated
2026-11-02
CVE List No score

Cross-site scripting vulnerability in E-mail of Cybozu Office 10.0.0 to 10.8.4 allows remote attackers to inject an arbitrary script via unspecified vectors.

Record
CVE-2021-20629
Updated
2026-11-02
EUVDEUVD-2021-8047 No score

Cross-site scripting vulnerability in E-mail of Cybozu Office 10.0.0 to 10.8.4 allows remote attackers to inject an arbitrary script via unspecified vectors.

Record
EUVD-2021-8047
Updated
2026-11-03
GitHub AdvisoriesGHSA-rrf8-xx2r-rw7h No score

Cross-site scripting vulnerability in E-mail of Cybozu Office 10.0.0 to 10.8.4 allows remote...

Cross-site scripting vulnerability in E-mail of Cybozu Office 10.0.0 to 10.8.4 allows remote attackers to inject an arbitrary script via unspecified vectors.

Record
GHSA-rrf8-xx2r-rw7h
Weakness
CWE-79
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-20629 is a medium vulnerability (CVSS 6.1) in Cybozu Office, published March 18, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.84%, the 58th percentile. No source names a fixed version.

References

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