How severe is CVE-2021-36436?

CVE-2021-36436 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2021-36436 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-36436?

CVE-2021-36436 affects Mobicint. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-36436?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-36436 published?

CVE-2021-36436 was published on 2023-04-20 and last updated on 2026-06-17.

CVE-2021-36436

CVE-2021-36436 is a medium-severity vulnerability in Mobicint with a CVSS 3.x base score of 5.3. 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-640.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-640
Affected product: Mobicint
Published: 2023-04-20
Last modified: 2026-06-17

Description

An issue in Mobicint Backend for Credit Unions v3 allows attackers to retrieve partial email addresses and user entered information via submission to the forgotten-password endpoint.

Frequently asked questions

What is CVE-2021-36436?: An issue in Mobicint Backend for Credit Unions v3 allows attackers to retrieve partial email addresses and user entered information via submission to the forgotten-password endpoint.
How severe is CVE-2021-36436?: CVE-2021-36436 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2021-36436 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-36436?: CVE-2021-36436 affects Mobicint. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-36436?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-36436 published?: CVE-2021-36436 was published on 2023-04-20 and last updated on 2026-06-17.

References

https://github.com/Laransec/Mobicint

Affected products (1)

cpe:2.3:a:mobicint:mobicint:3.0:*:*:*:*:*:*:*

Other CWE-640 vulnerabilities

CVE-2025-63314 — Critical (CVSS 10.0): A static password reset token in the password reset function of DDSN Interactive Acora CMS v10.7.1 allows attackers to…
CVE-2023-7028 — Critical (CVSS 10.0): An issue has been discovered in GitLab CE/EE affecting all versions from 16.1 prior to 16.1.6, 16.2 prior to 16.2.9,…
CVE-2026-13019 — Critical (CVSS 9.8): Esri Portal for ArcGIS versions 12.1 and earlier on Windows, Linux and Kubernetes have a missing authentication for…
CVE-2026-37106 — Critical (CVSS 9.8): An issue in DokuWiki 2025-05-14b "Librarian" 56.2 allows a remote attacker to create an account via the register…
CVE-2026-12417 — Critical (CVSS 9.8): The SignUp & SignIn plugin for WordPress is vulnerable to Authentication Bypass via Weak Password Reset Validation…
CVE-2026-12416 — Critical (CVSS 9.8): The Invoice Generator plugin for WordPress is vulnerable to Account Takeover via Password Reset in all versions up to,…

Browse all CWE-640 vulnerabilities →