Yandex Browser Lite prior 21.1.0 on Android denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Yandex Browser Lite on Android. The impacted element is an unknown function. Executing a manipulation can lead to denial of service. The identification of this vulnerability is CVE-2021-25255. The attack may be launched remotely. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic was found in Yandex Browser Lite on Android. This vulnerability affects an unknown part. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. CVE summarizes:

Yandex Browser Lite for Android prior to version 21.1.0 allows remote attackers to cause a denial of service.

The weakness was shared by Kirtikumar Anandrao Ramchandani. The advisory is shared for download at yandex.com. This vulnerability was named CVE-2021-25255 since 01/15/2021. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

Upgrading to version 21.1.0 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔍
CNA CVSS-BT Score: 🔍
CNA Vector: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

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

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Browser Lite 21.1.0

Timelineinfo

01/15/2021 🔍
05/21/2025 +1586 days 🔍
05/21/2025 +0 days 🔍
06/10/2025 +20 days 🔍

Sourcesinfo

Advisory: yandex.com
Researcher: Kirtikumar Anandrao Ramchandani
Status: Confirmed

CVE: CVE-2021-25255 (🔍)
GCVE (CVE): GCVE-0-2021-25255
GCVE (VulDB): GCVE-100-309844
scip Labs: https://www.scip.ch/en/?labs.20130704

Entryinfo

Created: 05/21/2025 09:36
Updated: 06/10/2025 18:25
Changes: 05/21/2025 09:36 (68), 06/10/2025 18:25 (12)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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