CVE-2021-25255 json
Yandex Browser Lite for Android prior to version 21.1.0 allows remote attackers to cause a denial of service.
published 2025-05-21 17 mo ago modified 2026-06-17 4 mo ago also EUVD-2021-12166
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 57%
- public exploits
- 0
- none known
Summary
Yandex Browser Lite for Android prior to version 21.1.0 allows remote attackers to cause a denial of service.
Patch / fix
- yandex yandex_browser 21.1.0
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 17 mo ago
Exploit prediction
0.82% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 8.3 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H |
| CNA | 4.0 | 8.3 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected products
- Yandex Browser Lite
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
yandex.com
/bugbounty/i/hall-of-fame-browser/
vendor-advisory
Sources
- CVE List CVE-2021-25255
- NVD CVE-2021-25255
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