CVE-2021-20796
CVE-2021-20796 is a medium-severity vulnerability in Cybozu Remote Service Manager with a CVSS 3.x base score of 6.5. 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-22.
Key facts
- Severity: Medium (CVSS 3.x base score 6.5)
- CVSS v2: 4.0
- EPSS exploit prediction: 2% (74th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-22
- Affected product: Cybozu Remote Service Manager
- Published:
- Last modified:
Description
Directory traversal vulnerability in the management screen of Cybozu Remote Service 3.1.8 allows a remote authenticated attacker to upload an arbitrary file via unspecified vectors.
Frequently asked questions
- What is CVE-2021-20796?
- Directory traversal vulnerability in the management screen of Cybozu Remote Service 3.1.8 allows a remote authenticated attacker to upload an arbitrary file via unspecified vectors.
- How severe is CVE-2021-20796?
- CVE-2021-20796 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
- Is CVE-2021-20796 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-20796?
- CVE-2021-20796 affects Cybozu Remote Service Manager. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-20796?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-20796 published?
- CVE-2021-20796 was published on 2021-10-13 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:cybozu:remote_service_manager:3.1.8:*:*:*:*:*:*:*
More vulnerabilities in Cybozu Remote Service Manager
- CVE-2021-20795 — High (CVSS 8.8): Cross-site request forgery (CSRF) vulnerability in the management screen of Cybozu Remote Service 3.1.8 to 3.1.9 allows…
- CVE-2018-16171 — High (CVSS 8.8): Directory traversal vulnerability in Cybozu Remote Service 3.0.0 to 3.1.8 allows remote attackers to execute Java code…
- CVE-2018-16169 — High (CVSS 8.8): Cybozu Remote Service 3.0.0 to 3.1.0 allows remote authenticated attackers to upload and execute Java code file on the…
- CVE-2018-16170 — High (CVSS 8.1): Directory traversal vulnerability in Cybozu Remote Service 3.0.0 to 3.1.8 for Windows allows remote authenticated…
- CVE-2014-7266 — High (CVSS 7.8): Algorithmic complexity vulnerability in Cybozu Remote Service Manager through 2.3.0 and 3.x through 3.1.2 allows remote…
- CVE-2014-1983 — High (CVSS 7.8): Unspecified vulnerability in Cybozu Remote Service Manager through 2.3.0 and 3.x before 3.1.1 allows remote attackers…
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