CVE-2021-25263
Last modified
CVE-2021-25263 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Local privilege vulnerability in Yandex Browser for Windows prior to 21.9.0.390 allows a local, low privileged, attacker to execute arbitary code with the SYSTEM privileges through manipulating files in directory with insecure permissions during Yandex Browser update process.. EPSS estimates a 0.30% chance of exploitation in the next 30 days.
Description
Local privilege vulnerability in Yandex Browser for Windows prior to 21.9.0.390 allows a local, low privileged, attacker to execute arbitary code with the SYSTEM privileges through manipulating files in directory with insecure permissions during Yandex Browser update process.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Yandex | Yandex Browser | < 21.9.0.390 |
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
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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