CVE-2023-6540Network attack vector

Sensitive-information disclosure to remote attackers

Published Jan 3, 2024 · Updated Jun 17, 2025

Code injection in Lenovo Browser Mobile before 8.7.1.1 and Browser HD before 2.1.4.1 allows remote attackers to disclose sensitive data. Lenovo has not published the affected code path or the operation that mishandles the crafted payload. Exploitation requires a user to interact with the payload and is limited to reading sensitive data accessible to the browser, with no reported write or service-interruption impact.

CVSS severity6.5
Medium
EPSS probability0.53%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Code injection in Lenovo Browser Mobile before 8.7.1.1 and Browser HD before 2.1.4.1 allows remote attackers to disclose sensitive data. Lenovo has not published the affected code path or the operation that mishandles the crafted payload. Exploitation requires a user to interact with the payload and is limited to reading sensitive data accessible to the browser, with no reported write or service-interruption impact.

The record

CVE
CVE-2023-6540
Published
Jan 3, 2024
Updated
Jun 17, 2025
Vendor
Lenovo
Product
Lenovo Browser Mobile
Classifications
CWE-94
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 3, 2024CVE publishedPublication date reported by the CVE source.
  2. Jun 17, 2025Record 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 version<8.7.1.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Lenovo · Lenovo Browser Mobile<8.7.1.1
Lenovo · Lenovo Browser HD<2.1.4.1

Published CVSS scores

6.5Lenovo Group Ltd.CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
7.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-94Improper Control of Generation of Code ('Code Injection')

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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