CVE-2021-20774
CVE-2021-20774 is a medium-severity vulnerability in Cybozu Garoon with a CVSS 3.x base score of 5.4. 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-79.
Key facts
- Severity: Medium (CVSS 3.x base score 5.4)
- CVSS v2: 3.5
- EPSS exploit prediction: 1% (45th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Cybozu Garoon
- Published:
- Last modified:
Description
Cross-site scripting vulnerability in some functions of E-mail of Cybozu Garoon 4.0.0 to 5.5.0 allows a remote authenticated attacker to inject an arbitrary script via unspecified vectors.
Frequently asked questions
- What is CVE-2021-20774?
- Cross-site scripting vulnerability in some functions of E-mail of Cybozu Garoon 4.0.0 to 5.5.0 allows a remote authenticated attacker to inject an arbitrary script via unspecified vectors.
- How severe is CVE-2021-20774?
- CVE-2021-20774 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2021-20774 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-20774?
- CVE-2021-20774 affects Cybozu Garoon. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-20774?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-20774 published?
- CVE-2021-20774 was published on 2021-08-18 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:cybozu:garoon:*:*:*:*:*:*:*:*
More vulnerabilities in Cybozu Garoon
- CVE-2014-1987 — Critical (CVSS 10.0): The CGI component in Cybozu Garoon 3.1.0 through 3.7 SP3 allows remote attackers to execute arbitrary commands via…
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- CVE-2016-1219 — Critical (CVSS 9.8): Cybozu Garoon before 4.2.2 allows remote attackers to bypass login authentication via vectors related to API use.
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