Google Android 13/14/15 Lockscreen logic error

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Google Android 13/14/15 and classified as problematic. Affected by this issue is some unknown functionality of the component Lockscreen. The manipulation results in logic error. This vulnerability is known as CVE-2025-26421. Attacking locally is a requirement. No exploit is available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in Google Android 13/14/15. It has been classified as problematic. Affected is an unknown code of the component Lockscreen. The manipulation with an unknown input leads to a logic error vulnerability. CWE is classifying the issue as CWE-840. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

In multiple locations, there is a possible lock screen bypass due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

The advisory is shared for download at android.googlesource.com. This vulnerability is traded as CVE-2025-26421 since 02/10/2025. The exploitability is told to be easy. The attack needs to be approached locally. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/06/2025).

Applying a patch is able to eliminate this problem.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-26861). Once again VulDB remains the best source for vulnerability data.

Productinfo

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Version

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Logic error
CWE: CWE-840
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Timelineinfo

02/10/2025 CVE reserved
09/04/2025 +205 days Advisory disclosed
09/04/2025 +0 days VulDB entry created
09/06/2025 +2 days VulDB entry last update

Sourcesinfo

Vendor: google.com

Advisory: android.googlesource.com
Status: Confirmed

CVE: CVE-2025-26421 (🔒)
GCVE (CVE): GCVE-0-2025-26421
GCVE (VulDB): GCVE-100-322620
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 09/04/2025 21:47
Updated: 09/06/2025 18:13
Changes: 09/04/2025 21:47 (55), 09/06/2025 18:13 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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