CVE-2021-20721

Description

KonaWiki2 versions prior to 2.2.4 allows a remote attacker to upload arbitrary files via unspecified vectors. If the file contains PHP scripts, arbitrary code may be executed.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.68% Top 30%
Vendor Advisory kujirahand.com
Affected: kujirahand KonaWiki2
Published at:
Updated at:

References

Link Tags
https://kujirahand.com/konawiki/ vendor advisory
https://jvn.jp/en/jp/JVN34232719/index.html third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-20721?
CVE-2021-20721 has been scored as a critical severity vulnerability.
How to fix CVE-2021-20721?
To fix CVE-2021-20721, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-20721 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-20721 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-20721?
CVE-2021-20721 affects kujirahand KonaWiki2.
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