CVE-2020-21493

Public Exploit

Description

An issue in the component route\user.php of Xiuno BBS v4.0.4 allows attackers to enumerate usernames.

5.3

CVSS

Severity: Medium

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.19%

Third-Party Advisory gitee.com Third-Party Advisory github.com

Affected: n/a n/a

References

Link	Tags
https://github.com/wanghaiwei/xiuno-docker/issues/3	issue tracking exploit third party advisory
https://gitee.com/xiuno/xiunobbs/issues/I1690W	issue tracking third party advisory

Frequently Asked Questions

What is the severity of CVE-2020-21493?: CVE-2020-21493 has been scored as a medium severity vulnerability.
How to fix CVE-2020-21493?: To fix CVE-2020-21493, 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-2020-21493 being actively exploited in the wild?: It is possible that CVE-2020-21493 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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