CVE-2021-27964

high-risk
Published 2021-03-05

SonLogger before 6.4.1 is affected by Unauthenticated Arbitrary File Upload. An attacker can send a POST request to /Config/SaveUploadedHotspotLogoFile without any authentication or session header. There is no check for the file extension or content of the uploaded file.

Do I need to act?

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82.1% chance of exploitation in next 30 days
EPSS score — higher than 18% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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1 public exploit available
49651
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Sfcyazilim

References (6)

Exploit http://packetstormsecurity.com/files/161793/SonLogger-4.2.3.3-Shell-Upload.html
Exploit https://github.com/erberkan/SonLogger-vulns
Release Notes https://www.sonlogger.com/releasenotes
Exploit http://packetstormsecurity.com/files/161793/SonLogger-4.2.3.3-Shell-Upload.html
Exploit https://github.com/erberkan/SonLogger-vulns
Release Notes https://www.sonlogger.com/releasenotes
64
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 27/34 · High
Exposure 5/34 · Minimal