What is CVE-2020-5532?

CVE-2020-5532 is a medium-severity vulnerability in Extrun Ilbo, classified under Improper Authentication. CVSS score: 4.3/10. Published 2020-02-14.

How severe is CVE-2020-5532?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Extrun Ilbo

CVE-2020-5532

ilbo App (ilbo App for Android prior to version 1.1.8 and ilbo App for iOS prior to version 1.2.01) allows an attacker on the same network segment to bypass authentication and to view the images which were recorded by the other ilbo user's device via unspecified vectors.

Vulnerability class: Broken Authentication

Published 2020-02-14 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.009 (58.9th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 58.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Extrun Ilbo
Extrun Ltd. Ilbo App — versions ilbo App for Android prior to version 1.1.8 and ilbo App for iOS prior to version 1.2.0

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

jvn.jp/en/jp/JVN35496038/index.html (Third Party Advisory)
play.google.com/store/apps/details (Product)
apps.apple.com/us/app/ilbo/id1116864683 (Product, Release Notes)

Frequently asked questions

What is CVE-2020-5532?: CVE-2020-5532 is a medium-severity vulnerability in Extrun Ilbo, classified under Improper Authentication. CVSS score: 4.3/10. Published 2020-02-14.
How severe is CVE-2020-5532?: Medium severity. CVSS v3 base score is 4.3 out of 10.