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cve[email protected]CVE-2021-25263
HistoryAug 17, 2021 - 7:15 p.m.

CVE-2021-25263

2021-08-1719:15:08
CWE-732
web.nvd.nist.gov
42
cve-2021-25263
yandex browser
windows
vulnerability
privilege escalation
arbitrary code execution
nvd

4.6 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:P/I:P/A:P

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

6.8 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

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 configurations

NVD
Node
yandexyandex_browserRange<21.9.0.390windows

CNA Affected

[
  {
    "product": "Yandex Browser (Desktop)",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "All versions prior to version 21.9.0.390"
      }
    ]
  }
]

4.6 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:P/I:P/A:P

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

6.8 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%