What’s Vulnerable › Vulnerabilities

CVE-2020-27970

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-09-13 · updated 2026-06-17
• Weakness: CWE-290

Description

Yandex Browser before 20.10.0 allows remote attackers to spoof the address bar

Affected products

• Yandex N.V. Yandex Browser for desktop: before 20.10.0 — fixed in 20.10.0

How to fix

Upgrade to a fixed version: Yandex N.V. Yandex Browser for desktop 20.10.0. Check the vendor advisory for mitigations.

References

• https://yandex.com/bugbounty/i/hall-of-fame-browser/
• https://yandex.com/bugbounty/i/hall-of-fame-browser/

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