CVE-2020-21493
MediumPublic PoC
Published: 04 October 2021
Published
04 October 2021
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1
5.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS Score
0.0019
41.3th percentile
Risk Priority
11
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2020-21493 is a medium-severity an unspecified weakness vulnerability in Xiuno Xiunobbs. Its CVSS base score is 5.3 (Medium).
Operationally, ranked at the 41.3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2020-14263
Vulnerability details
An issue in the component route\user.php of Xiuno BBS v4.0.4 allows attackers to enumerate usernames.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
xiuno
xiunobbs
4.0.4
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.