CVE-2021-27963

SonLogger before 6.4.1 is affected by user creation with any user permissions profile (e.g., SuperAdmin). An anonymous user can send a POST request to /User/saveUser without any authentication or session header.

CVSS v3.1 NVD

8.2 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N

CVSS v2.0 NVD

6.4 MEDIUMAV:N/AC:L/Au:N/C:P/I:P/A:N

EPSS

2.45% chance of exploitation in the next 30 days, 84th percentile

Published

2021-03-05

Updated

2024-08-03

Proof-of-concept exploits (1)

• erberkan/SonLogger-vulns2★ · 2021-03-13

Security advisories

• https://www.sonlogger.com/releasenotes

References

• CVE Record
• NVD entry

Related

• CVE-2021-27964
• CVE-2021-3378
• CVE-2026-42536
• CVE-2026-60004