CVE-2021-27964

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.

CVSS v3.1

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS

47.52% chance of exploitation in the next 30 days, 99th percentile

Nuclei

critical · CWE-434

Published

2021-03-05

Updated

2024-08-03

Proof-of-concept exploits (2)

• http://packetstormsecurity.com/files/161793/SonLogger-4.2.3.3-Shell-Upload.html
• erberkan/SonLogger-vulns2★ · 2021-03-13

Nuclei templates (1)

• projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-27964.yaml

ExploitDB entries (1)

• https://www.exploit-db.com/exploits/49651

References

• CVE Record
• NVD entry

Related

• CVE-2021-27963
• CVE-2021-3378
• CVE-2021-27965
• CVE-2021-27956
• CVE-2021-27969
• CVE-2021-27946