What is CVE-2020-27970?

CVE-2020-27970 is a medium-severity vulnerability in Yandex Browser, classified under Authentication Bypass by Spoofing. CVSS score: 5.3/10. Published 2021-09-13.

How severe is CVE-2020-27970?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Is CVE-2020-27970 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Yandex Browser

CVE-2020-27970

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

EPSS: 0.013 (67.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Yandex Yandex_browser
N/a Yandex Browser Lite For Android — versions All versions prior to version 20.10.0.

Weakness classification (CWE)

CWE-290 — Authentication Bypass by Spoofing

Public proof-of-concept exploits

KirtiRamchandani/KirtiRamchandani

References

browser-security@yandex-team.ru (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2020-27970?: CVE-2020-27970 is a medium-severity vulnerability in Yandex Browser, classified under Authentication Bypass by Spoofing. CVSS score: 5.3/10. Published 2021-09-13.
How severe is CVE-2020-27970?: Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2020-27970 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.