CVE-2021-33558

high-risk
Published 2021-05-27

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.

Do I need to act?

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87.5% chance of exploitation in next 30 days
EPSS score — higher than 13% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (1)

Boa

Affected Vendors

Boa

References (6)

Exploit https://github.com/mdanzaruddin/CVE-2021-33558.
Issue Tracking https://github.com/mdanzaruddin/CVE-2021-33558./issues/1
Release Notes https://sourceforge.net/projects/boa/files/boa/0.94.13/
Exploit https://github.com/mdanzaruddin/CVE-2021-33558.
Issue Tracking https://github.com/mdanzaruddin/CVE-2021-33558./issues/1
Release Notes https://sourceforge.net/projects/boa/files/boa/0.94.13/
51
/ 100
high-risk
Severity 26/34 · High
Exploitability 20/34 · Moderate
Exposure 5/34 · Minimal