CVE-2023-29727

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2023-05-31. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 9.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
9.8
EG Score
9.8(medium)
EPSS
65.1%
KEV
Not listed

Published

May 30, 2023

Last Modified

January 13, 2025

Advisory Details (3)

Auto-updated Jun 21, 2026
No patch confirmed yet.
generic

Call Blocker – Caller ID – Block incoming and outgoing calls & Caller ID

https://www.call-blocker.info/
generic
https://play.google.com/store/apps/details?id=com.cuiet.blockCalls
generic

SO-CVEs/CVEs/CVE-2023-29727/CVE detail.md at main · LianKee/SO-CVEs · GitHub

https://github.com/LianKee/SO-CVEs/blob/main/CVEs/CVE-2023-29727/CVE%20detail.md

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 12× in last 7d / 46× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 102 total refreshes for this CVE.

  1. 2026-07-22 14:06 UTCEPSS rescore
  2. 2026-07-22 14:06 UTCEPSS rescore
  3. 2026-07-21 15:23 UTCEPSS rescore
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  1. 2026-07-08 15:13 UTCEPSS rescore
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  9. 2026-06-30 23:21 UTCEPSS rescore
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  24. 2026-06-21 14:55 UTCEPSS rescore
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  26. 2026-06-21 01:58 UTCEPSS rescore
  27. 2026-06-21 01:58 UTCEPSS rescore
  28. 2026-06-19 19:24 UTCEPSS rescore
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  30. 2026-06-18 17:51 UTCEPSS rescore
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  45. 2026-06-08 14:15 UTCEPSS rescore
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  47. 2026-06-07 15:23 UTCEPSS rescore
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  49. 2026-06-06 13:46 UTCEPSS rescore
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Frequently asked(5)

What is CVE-2023-29727?
CVE-2023-29727 is a critical vulnerability published on May 30, 2023. 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…
When was CVE-2023-29727 disclosed?
CVE-2023-29727 was first published in the National Vulnerability Database on May 30, 2023, with the most recent update on January 13, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-29727 actively exploited?
CVE-2023-29727 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 65.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2023-29727?
CVE-2023-29727 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2023-29727?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-29727, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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