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CVE-2020-5622
Shadankun Server Security Type (excluding normal blocking method types) Ver.1.5.3 and earlier allows remote attackers to cause a denial of…
High7.5EPSS 1.3%
- Published
- Updated
- Reserved
- Assigned by
- jpcert
Description
Shadankun Server Security Type (excluding normal blocking method types) Ver.1.5.3 and earlier allows remote attackers to cause a denial of service which may result in not being able to add newly detected attack source IP addresses as blocking targets for about 10 minutes via a specially crafted request.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 1.3% · top 29% of all CVEs (6 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
- Denial-of-service (DoS)
Affected products
Cyber Security Cloud , Inc. · Shadankun Server Security Type (excluding normal blocking method types)
- affected Ver.1.5.3 and earlier
References (2)
- https://www.shadan-kun.com/news/20200831/ (opens in a new tab)x_refsource_MISCx_transferred
- https://jvn.jp/en/jp/JVN42665874/index.html (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2020-5622)Record last updated .