CVE-2021-25263
Clickhouse prior to versions v20.8.18.32-lts, v21.1.9.41-stable, v21.2.9.41-stable, v21.3.6.55...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2021-25263- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 4.6 Medium
AV:L/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-732
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2021-25263- Updated
- 2026-11-02
EUVDEUVD-2021-12174 No score
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.
- Record
EUVD-2021-12174- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-37r4-xgj4-h786
Clickhouse prior to versions v20.8.18.32-lts, v21.1.9.41-stable, v21.2.9.41-stable, v21.3.6.55...
Clickhouse prior to versions v20.8.18.32-lts, v21.1.9.41-stable, v21.2.9.41-stable, v21.3.6.55-lts, v21.4.3.21-stable allows user to read any file on the host system, that clickhouse user has access to.
- Record
GHSA-37r4-xgj4-h786- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-25263 is a high vulnerability (CVSS 7.8) in Yandex Browser, published August 17, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.41%, the 36th percentile. No source names a fixed version.