CVE-2023-30677

Physical access to stored authentication data

Published Jul 6, 2023 · Updated Nov 19, 2024

Improper access control in Samsung Pass before 4.2.03.1 allows physically proximate attackers to access stored data on an unlocked device. Samsung has disclosed only that the affected unlocked-device state lacks proper access control; no component, request path, or code-level operation is public. Physical possession of an unlocked Galaxy phone in the affected state is required, and the documented consequence is access to Samsung Pass data.

CVSS severity6.1
Medium
EPSS probability0.25%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper access control in Samsung Pass before 4.2.03.1 allows physically proximate attackers to access stored data on an unlocked device. Samsung has disclosed only that the affected unlocked-device state lacks proper access control; no component, request path, or code-level operation is public. Physical possession of an unlocked Galaxy phone in the affected state is required, and the documented consequence is access to Samsung Pass data.

The record

CVE
CVE-2023-30677
Published
Jul 6, 2023
Updated
Nov 19, 2024
Vendor
Samsung Electronics Co., Ltd.
Product
Samsung Pass
Classifications
T1555
Attack vector
physical
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 6, 2023CVE publishedPublication date reported by the CVE source.
  2. Nov 19, 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 versions are unavailable in this record. Check the vendor advisory for version and patch details.

What conditions does exploitation require?

Attack vectorphysical
Required privilegesunauthenticated

What is affected?

Samsung Electronics Co., Ltd. · Samsung PassAffected versions are unavailable in this record.

Published CVSS scores

6.1Samsung MobileCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
4.6NIST NVDCVSS:3.1/AV:P/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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorphysical
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1555Credentials from Password Stores

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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