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NLOKCVELIST:CVE-2022-4173

HistoryDec 05, 2022 - 11:15 p.m.

CVE-2022-4173 Avast and AVG Antivirus for Windows vulnerable to Privilege Escalation

2022-12-0523:15:33

CWE-269

NLOK

www.cve.org

cve-2022-4173

avast

avg

antivirus

windows

privilege escalation

vulnerability

malware

removal

filesystem

fix

7.3 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.9 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

42.9%

JSON

A vulnerability within the malware removal functionality of Avast and AVG Antivirus allowed an attacker with write access to the filesystem, to escalate his privileges in certain scenarios. The issue was fixed with Avast and AVG Antivirus version 22.10.

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "platforms": [
      "Windows"
    ],
    "product": "Avast and AVG Antivirus",
    "vendor": "NortonLifeLock",
    "versions": [
      {
        "lessThanOrEqual": "22.9",
        "status": "affected",
        "version": "20.5",
        "versionType": "custom"
      }
    ]
  }
]

References

support.norton.com/sp/static/external/tools/security-advisories.html

7.3 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.9 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

42.9%

JSON

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