What is CVE-2023-29728?

CVE-2023-29728 is a critical-severity vulnerability in Applika Call Blocker, classified under Origin Validation Error. CVSS score: 9.8/10. Published 2023-05-30.

How severe is CVE-2023-29728?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Applika Call Blocker

CVE-2023-29728

The Call Blocker application 6.6.3 for Android allows attackers to tamper with feature-related data, resulting in a severe elevation of privilege attack.

Published 2023-05-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (45.8th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 45.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Applika Call Blocker — versions 6.6.3

Weakness classification (CWE)

CWE-346 — Origin Validation Error

References

play.google.com/store/apps/details (Product)
www.call-blocker.info/ (Product)
github.com/LianKee/SO-CVEs/blob/main/CVEs/CVE-2023-29728/CVE detail.md (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-29728?: CVE-2023-29728 is a critical-severity vulnerability in Applika Call Blocker, classified under Origin Validation Error. CVSS score: 9.8/10. Published 2023-05-30.
How severe is CVE-2023-29728?: Critical severity. CVSS v3 base score is 9.8 out of 10.