CVE-2021-20764
CVE-2021-20764 is a medium-severity vulnerability in Cybozu Garoon with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.
Key facts
- Severity: Medium (CVSS 3.x base score 5.3)
- CVSS v2: 5.0
- EPSS exploit prediction: 1% (58th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-20
- Affected product: Cybozu Garoon
- Published:
- Last modified:
Description
Improper input validation vulnerability in Attaching Files of Cybozu Garoon 4.0.0 to 5.0.2 allows a remote attacker to alter the data of Attaching Files.
Frequently asked questions
- What is CVE-2021-20764?
- Improper input validation vulnerability in Attaching Files of Cybozu Garoon 4.0.0 to 5.0.2 allows a remote attacker to alter the data of Attaching Files.
- How severe is CVE-2021-20764?
- CVE-2021-20764 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
- Is CVE-2021-20764 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-20764?
- CVE-2021-20764 affects Cybozu Garoon. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-20764?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-20764 published?
- CVE-2021-20764 was published on 2021-08-18 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:cybozu:garoon:*:*:*:*:*:*:*:*
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