How severe is CVE-2018-15656?

CVE-2018-15656 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2018-15656 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-15656?

CVE-2018-15656 affects 42gears Suremdm. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-15656?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-15656 published?

CVE-2018-15656 was published on 2019-02-05 and last updated on 2026-06-17.

CVE-2018-15656

CVE-2018-15656 is a high-severity vulnerability in 42gears Suremdm with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: 42gears Suremdm
Published: 2019-02-05
Last modified: 2026-06-17

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.

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.
How severe is CVE-2018-15656?: CVE-2018-15656 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2018-15656 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-15656?: CVE-2018-15656 affects 42gears Suremdm. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-15656?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-15656 published?: CVE-2018-15656 was published on 2019-02-05 and last updated on 2026-06-17.

References

https://research.digitalinterruption.com/2019/01/31/multiple-vulnerabilities-found-in-mobile-device-management-software/

Affected products (1)

cpe:2.3:a:42gears:suremdm:*:*:*:*:*:*:*:*

More vulnerabilities in 42gears Suremdm

CVE-2018-15658 — High (CVSS 7.5): An issue was discovered in 42Gears SureMDM before 2018-11-27. By visiting the page found at…
CVE-2018-15657 — High (CVSS 7.3): An SSRF issue was discovered in 42Gears SureMDM before 2018-11-27 via the /api/DownloadUrlResponse.ashx "url" parameter.
CVE-2018-15659 — Medium (CVSS 6.5): An issue was discovered in 42Gears SureMDM before 2018-11-27, related to the access policy for Silverlight…
CVE-2018-15655 — Medium (CVSS 6.5): An issue was discovered in 42Gears SureMDM before 2018-11-27, related to CORS settings. Cross-origin access is possible.
CVE-2023-3897 — Medium (CVSS 4.8): Username enumeration is possible through Bypassing CAPTCHA in On-premise SureMDM Solution on Windows deployment allows…

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