CVE-2021-21742

Sensitive information disclosure via improper parameters

Published Sep 24, 2021 · Updated Aug 3, 2024

Information disclosure in ZTE Axon 30 Pro Message Service App 5.3.1.2103091059 allows attackers to obtain sensitive user information via specific pages. The vendor attributes the leak to improper parameter settings in the message service app, but does not disclose the affected parameter, handler, or exact data exposed. Access to the app's specific pages is required, and the published records describe confidentiality impact without integrity or availability effects.

CVSS severity5.5
Medium
EPSS probability0.65%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in ZTE Axon 30 Pro Message Service App 5.3.1.2103091059 allows attackers to obtain sensitive user information via specific pages. The vendor attributes the leak to improper parameter settings in the message service app, but does not disclose the affected parameter, handler, or exact data exposed. Access to the app's specific pages is required, and the published records describe confidentiality impact without integrity or availability effects.

The record

CVE
CVE-2021-21742
Published
Sep 24, 2021
Updated
Aug 3, 2024
Vendor
ZTE Corporation
Product
ZTE Axon 30 Pro Message Service App
Classifications
Unavailable
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 24, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=5.3.1.2103091059

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

ZTE Corporation · ZTE Axon 30 Pro Message Service Appversion=5.3.1.2103091059

Published CVSS scores

5.5NVDCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
4.3NVDAV:N/AC:M/Au:N/C:P/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

No sourced classifications are available.

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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