CVE-2020-27969: yandex yandex_browser Origin Validation Error
Modified
Published 13-09-2021Last modified 04-08-2024
Vulnerability summary
CVE-2020-27969 is a high (CVSS 7.5) Origin Validation Error vulnerability in yandex yandex_browser. EPSS estimates a 0.53% chance of exploitation in the next 30 days, higher than 44% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v2.0 (NVD)EPSS score
0.53%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded
Timeline
- 13-09-2021PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
Yandex Browser for Android 20.8.4 allows remote attackers to perform SOP bypass and addresss bar spoofing
CVSS metrics
2 scores · 1 source · 2 versionsHigh 7.3Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:LSourcesSingle source
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
0.53%
Chance of exploitation in the next 30 days
Percentile
44%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.53% on 22-09-2026
22-09-202622-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Yandex1 product
- yandex_browser< 20.8.4 | 20.8.4
1 vendor · 1 product