Vulnerability in Yandex Browser

CVE-2020-27969

Yandex Browser for Android 20.8.4 allows remote attackers to perform SOP bypass and addresss bar spoofing

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.005 (42.6th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 42.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2020-27969: held from 0.005 to 0.005.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

  • Yandex Browser — versions 20.8.4
  • Yandex Browser For Android — versions All versions prior to version 20.8.4.

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-27969?
CVE-2020-27969 is a high-severity vulnerability in Yandex Browser, classified under Origin Validation Error. CVSS score: 7.3/10. Published 2021-09-13.
How severe is CVE-2020-27969?
High severity. CVSS v3 base score is 7.3 out of 10.
Is CVE-2020-27969 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.