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cvelistCiscoCVELIST:CVE-2022-20698
HistoryJan 14, 2022 - 12:00 a.m.

CVE-2022-20698 Clam AntiVirus (ClamAV) Denial of Service Vulnerability

2022-01-1400:00:00
CWE-20
cisco
www.cve.org

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7.6 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

65.0%

A vulnerability in the OOXML parsing module in Clam AntiVirus (ClamAV) Software version 0.104.1 and LTS version 0.103.4 and prior versions could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to improper checks that may result in an invalid pointer read. An attacker could exploit this vulnerability by sending a crafted OOXML file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process to crash, resulting in a denial of service condition.

CNA Affected

[
  {
    "vendor": "Cisco",
    "product": "ClamAV",
    "versions": [
      {
        "version": "unspecified",
        "lessThan": "0.103.5",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  },
  {
    "vendor": "Cisco",
    "product": "ClamAV",
    "versions": [
      {
        "version": "unspecified",
        "lessThan": "0.104.2",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  }
]

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7.6 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

65.0%