What is CVE-2021-36436?

CVE-2021-36436 is a medium-severity vulnerability in Mobicint, classified under Weak Password Recovery Mechanism for Forgotten Password. CVSS score: 5.3/10. Published 2023-04-20.

How severe is CVE-2021-36436?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Mobicint

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.

Published 2023-04-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.005 (42.2th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 42.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Mobicint — versions 3.0

Weakness classification (CWE)

CWE-640 — Weak Password Recovery Mechanism for Forgotten Password

References

github.com/Laransec/Mobicint (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2021-36436?: CVE-2021-36436 is a medium-severity vulnerability in Mobicint, classified under Weak Password Recovery Mechanism for Forgotten Password. CVSS score: 5.3/10. Published 2023-04-20.
How severe is CVE-2021-36436?: Medium severity. CVSS v3 base score is 5.3 out of 10.