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CVE-2021-20687: Cross-site request forgery (CSRF) vulnerability in Kagemai 0.8.8 allows remote attackers to hijack the authentication of administrators via unspecified vectors.

CVE-2021-20687 · published 5 years ago

Summary

Cross-site request forgery (CSRF) vulnerability in Kagemai 0.8.8 allows remote attackers to hijack the authentication of administrators via unspecified vectors.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software

Vendor	Product	Affected versions
daifukuya	kagemai	0.8.8 `cpe:2.3:a:daifukuya:kagemai:0.8.8:::::::*`

Original advisory text

Cross-site request forgery (CSRF) vulnerability in Kagemai 0.8.8 allows remote attackers to hijack the authentication of administrators via unspecified vectors.

References

https://jvn.jp/en/jp/JVN11438679/index.html Third Party Advisory

Fix within

Internet-facing 14 days

Internal At next upgrade

Not known to be exploited
Needs hands-on effort to exploit (estimated)
Gives an attacker full control (estimated)

Severity

8.8 High

Exploitation

<1% chance of attack within 30 days

Type

CWE-352Cross-Site Request Forgery (CSRF)

Timeline

Published7 Apr 2021

Updated3 Nov 2026

First seen29 Sep 2026

Sources

CVE-2021-20687 · NVD

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