CVE-2021-33558

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 12.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2021-05-27 · updated 2026-06-17

Description

Boa 0.94.13 allows remote attackers to obtain sensitive information via a misconfiguration involving backup.html, preview.html, js/log.js, log.html, email.html, online-users.html, and config.js. NOTE: multiple third parties report that this is a site-specific issue because those files are not part of Boa.

Affected products

Boa: 0.94.13

References

https://github.com/mdanzaruddin/CVE-2021-33558.
https://github.com/mdanzaruddin/CVE-2021-33558./issues/1
https://sourceforge.net/projects/boa/files/boa/0.94.13/
https://github.com/mdanzaruddin/CVE-2021-33558.
https://github.com/mdanzaruddin/CVE-2021-33558./issues/1
https://sourceforge.net/projects/boa/files/boa/0.94.13/

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