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Vulnerabilities

Vulnerability · CVE-2021-25262

Yandex Browser for Android prior to version 21.3.0 allows remote attackers to perform IDN homograph attack.

Published May 21, 2025 · catalog updated May 21, 2025 · Yandex Browser

Check this week

CVE-2021-25262 is not in CISA KEV. FIRST estimates a 46.00% chance of exploitation in the next 30 days. Check whether you run Yandex Browser.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium6.9
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
46.00%
Remediation
Vendor / distro source
Affected products
vendor Yandex Browser 21.3.0

Yandex Browser for Android prior to version 21.3.0 allows remote attackers to perform IDN homograph attack.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Yandex Browser 21.3.021.3.0

How to fix CVE-2021-25262

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2021-25262 is not in CISA KEV. FIRST estimates a 46.00% chance of exploitation in the next 30 days. Check whether you run Yandex Browser.

Which versions are affected?

Compare what you have installed with Yandex Browser 21.3.0 21.3.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 46.00%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. May 21, 2025 · EUVD

    Detected

    Yandex Browser for Android prior to version 21.3.0 allows remote attackers to perform IDN homograph attack.

  2. May 21, 2025 · EUVD

    Updated

    Yandex Browser for Android prior to version 21.3.0 allows remote attackers to perform IDN homograph attack.

Sources

  • CVE.orgVulnerability recordCVE-2021-25262

    Official CVE identifier

    cve.org
  • EUVDVulnerability recordEUVD-2021-12173

    Yandex Browser for Android prior to version 21.3.0 allows remote attackers to perform IDN homograph attack.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog May 21, 2025. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.