How severe is CVE-2023-29727?

CVE-2023-29727 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-29727 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-29727?

CVE-2023-29727 affects Applika Call Blocker. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-29727?

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

When was CVE-2023-29727 published?

CVE-2023-29727 was published on 2023-05-30 and last updated on 2026-06-17.

CVE-2023-29727

CVE-2023-29727 is a critical-severity vulnerability in Applika Call Blocker with a CVSS 3.x base score of 9.8. 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-922.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-922
Affected product: Applika Call Blocker
Published: 2023-05-30
Last modified: 2026-06-17

Description

The Call Blocker application 6.6.3 for Android allows unauthorized applications to use exposed components to delete data stored in its database that is related to user privacy settings and affects the implementation of the normal functionality of the application. An attacker can use this to cause an escalation of privilege attack.

Frequently asked questions

What is CVE-2023-29727?: The Call Blocker application 6.6.3 for Android allows unauthorized applications to use exposed components to delete data stored in its database that is related to user privacy settings and affects the implementation of the normal functionality of the application. An attacker can use this to cause an escalation of privilege attack.
How severe is CVE-2023-29727?: CVE-2023-29727 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-29727 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-29727?: CVE-2023-29727 affects Applika Call Blocker. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-29727?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-29727 published?: CVE-2023-29727 was published on 2023-05-30 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:applika:call_blocker:6.6.3:*:*:*:*:android:*:*

More vulnerabilities in Applika Call Blocker

CVE-2023-29728 — Critical (CVSS 9.8): The Call Blocker application 6.6.3 for Android allows attackers to tamper with feature-related data, resulting in a…
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