CVSS v3
7.5
HIGH
EPSS Score
1.6 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
An issue was discovered in the registration API endpoint in 42Gears SureMDM before 2018-11-27. An attacker can submit a GET request to /api/register/:email, where :email is a base64 encoded e-mail address, to receive confirmation as to whether a user account exists in the system with the specified e-mail address. The request must be made with an "apiKey" value in the "ApiKey" header.
Technical details
- Published
- 2019-02-05
Frequently asked questions
What is CVE-2018-15656?
An issue was discovered in the registration API endpoint in 42Gears SureMDM before 2018-11-27. An attacker can submit a GET request to /api/register/:email, where :email is a base64 encoded e-mail address, to receive confirmation as to whether a user account exists in the system with the specified e-mail address. The request must be made with an "apiKey" value in the "ApiKey" header.
Is CVE-2018-15656 actively exploited?
Active exploitation of CVE-2018-15656 has not been confirmed. Its EPSS score was 1.6% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2018-15656?
CVE-2018-15656 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2018-15656 affecting your environment?
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