Is CVE-2021-32428 actively exploited?

No active exploitation of CVE-2021-32428 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-32428 be exploited remotely?

Yes. CVE-2021-32428 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-32428?

CVE-2021-32428 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2021-32428

CRITICAL

CVE-2021-32428

CWE-89Published: July 1, 2022· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

SQL Injection vulnerability in viaviwebtech Android EBook App (Books App, PDF, ePub, Online Book Reading, Download Books) 10 via the author_id parameter to api.php.

NVD Source

Risk Analysis

The viaviwebtech Android EBook App version 10 is susceptible to SQL injection via the author_id parameter. This critical vulnerability allows attackers to manipulate database queries remotely.

There is no public exploit known, and it is not in CISA KEV. The vulnerability is remotely exploitable with low attack complexity.

Recommended Action

Contact the vendor for an updated version of the EBook App that sanitizes input for the author_id parameter.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2021-32428 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

From a weakness classification perspective (CWE-89): SQL injection vulnerabilities allow attackers to manipulate database queries, potentially exposing or modifying sensitive data.