CyberSecBulletin
CVE-2022-33732NVD status: Modified

Samsung Mobile Devices: Improper Authentication

CVE-2022-33732 is a high-severity improper authentication vulnerability in Samsung Mobile Devices from Samsung, with a CVSS 3.1 base score of 7.1 out of 10. It can be exploited with local access to the system by an attacker with a low-privileged account, without any action from a user. The record lists version SMR Aug-2022 Release 1 as the first without the flaw, so updating Samsung Mobile Devices to that release or later removes the exposure. There is no confirmed exploitation so far. EPSS estimates a 0.09% chance of exploitation within 30 days, which is low compared with other CVEs.

Next patch cycle

High severity with no evidence of exploitation so far.

What to do

  1. Update Samsung Mobile Devices to SMR Aug-2022 Release 1 or a later version.
  2. Read the advisory on security.samsungmobile.com for workarounds and exact fixed builds.

Affected products and versions

VendorProductAffected versionsFixed in
Samsung MobileSamsung Mobile DevicesS(12) up to, but not including, SMR Aug-2022 Release 1SMR Aug-2022 Release 1
GoogleAndroid12.0Not stated

Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.

How the severity score breaks down

Attack vector
LocalThe attacker needs local access or must trick a user into running something.
Attack complexity
LowNo special conditions are needed; the attack works reliably.
Privileges required
LowA basic user account is enough.
User interaction
NoneNo action by a victim is required.
Scope
UnchangedImpact stays within the vulnerable component.
Confidentiality
HighAll data handled by the component can be read.
Integrity
HighData or code can be modified at will.
Availability
NoneAvailability is not affected.

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N. Scored by NVD.

Scoring systemScoreSeverityScored by
CVSS 3.16.2MediumCNA (samsung.com)
CVSS 3.17.1HighNVD

Official description

Improper access control vulnerability in Samsung Dex for PC prior to SMR Aug-2022 Release 1 allows local attackers to scan and connect to PC by unprotected binder call.

Source: the CVE record as published by its numbering authority, via NVD and CVE.org.

The underlying weakness: Improper Authentication

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

How developers prevent this class of flaw

  • Use an authentication framework or library such as the OWASP ESAPI Authentication feature.

More Improper Authentication vulnerabilities (CWE-287)

Timeline

  1. CVE record published.
  2. Record last changed materially (score, affected products, status or references).

References

Other vulnerabilities in Samsung Mobile Devices

All Samsung Mobile Devices vulnerabilities

Recent Improper Authentication vulnerabilities

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