CVE-2020-27970

Name: CVE-2020-27970
Creator: NVD / NIST
Published: 2021-09-13T12:15:08.703+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 1.35%

Last modified Jun 17, 2026

CVE-2020-27970 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. Yandex Browser before 20.10.0 allows remote attackers to spoof the address bar. EPSS estimates a 1.35% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

5.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

EPSS Probability

1.35%

67.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-290

Affected Software

Vendor	Product	Versions
Yandex	Yandex Browser	< 20.10.0

References

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

Timeline

Published: Sep 13, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-27970?

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

How severe is CVE-2020-27970?

CVE-2020-27970 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 1.35% probability of exploitation in the next 30 days.

How do I fix CVE-2020-27970?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-27970?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST