CVE-2016-11049Network attack vector

IMEI disclosure and modification via key-management error

Published Apr 7, 2020 · Updated Aug 6, 2024

Key-management error in Samsung mobile software through 2016-01-16 allows attackers to retrieve and modify IMEIs via unspecified vectors. The public record identifies incorrect management of key information on Shannon333, Shannon308, and Shannon310 chipsets but does not disclose the affected component or erroneous operation. The required access and privileges are not published; successful exploitation exposes the device identifier and permits its modification.

CVSS severity9.1
Critical
EPSS probability0.40%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Key-management error in Samsung mobile software through 2016-01-16 allows attackers to retrieve and modify IMEIs via unspecified vectors. The public record identifies incorrect management of key information on Shannon333, Shannon308, and Shannon310 chipsets but does not disclose the affected component or erroneous operation. The required access and privileges are not published; successful exploitation exposes the device identifier and permits its modification.

The record

CVE
CVE-2016-11049
Published
Apr 7, 2020
Updated
Aug 6, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
T1426
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 7, 2020CVE publishedPublication date reported by the CVE source.
  2. Aug 6, 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?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

9.1NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
6.4NVDAV:N/AC:L/Au:N/C:P/I:P/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.

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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

T1426System Information Discovery

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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