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[email protected]CVE-2021-1405

HistoryApr 08, 2021 - 5:15 a.m.

CVE-2021-1405

2021-04-0805:15:13

CWE-909

CWE-120

[email protected]

web.nvd.nist.gov

286

clamav

email parsing

vulnerability

denial of service

cve-2021-1405

nvd

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

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

7.1 High

AI Score

Confidence

High

0.004 Low

EPSS

Percentile

73.3%

JSON

A vulnerability in the email parsing module in Clam AntiVirus (ClamAV) Software version 0.103.1 and all 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 variable initialization that may result in an NULL pointer read. An attacker could exploit this vulnerability by sending a crafted email to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process crash, resulting in a denial of service condition.

Affected configurations

NVD

Node

clamavclamavRange≤0.103.1

Node

debiandebian_linuxMatch9.0

CPENameOperatorVersion
clamav:clamavclamavle0.103.1

CPE	Name	Operator	Version
clamav:clamav	clamav	le	0.103.1

CNA Affected

[
  {
    "product": "ClamAV",
    "vendor": "Cisco",
    "versions": [
      {
        "lessThanOrEqual": "0.103.1",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]