Vulnerability · Published Aug 17, 2021 · Assigned by yandex
CVE-2021-25263
High 7.8
In plain English
A high-severity security flaw in Yandex Browser (Desktop). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 36% of all known vulnerabilities).
Severity (CVSS NVD)7.8High
Exploit odds (30 days)0.4%top 64.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | Yandex Browser (Desktop) | All versions prior to version 21.9.0.390 |
References
- https://yandex.com/bugbounty/i/hall-of-fame-browser/ x_refsource_MISC