Administrator-level unauthorized mail data modification
Published Aug 18, 2021 · Updated Aug 3, 2024
Improper input validation in Cybozu Garoon E-mail 4.0.0 through 5.0.2 allows remote attackers with administrative access to alter mail data. Cybozu and JVN have not published the affected request parameter or the validation operation that accepts it. Exploitation requires an administrative account and reaches only E-mail data that the account otherwise lacks permission to modify.
Summary
What happened
Improper input validation in Cybozu Garoon E-mail 4.0.0 through 5.0.2 allows remote attackers with administrative access to alter mail data. Cybozu and JVN have not published the affected request parameter or the validation operation that accepts it. Exploitation requires an administrative account and reaches only E-mail data that the account otherwise lacks permission to modify.
The record
- CVE
- CVE-2021-20761
- Published
- Aug 18, 2021
- Updated
- Aug 3, 2024
- Vendor
- Cybozu
- Product
- Garoon
- Classifications
- CWE-20
- Attack vector
- network
- Privileges
- admin
Timeline
How it unfolded
- Aug 18, 2021CVE publishedPublication date reported by the CVE source.
- Aug 3, 2024Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=4.0.0 to 5.0.2
What conditions does exploitation require?
What is affected?
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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