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[email protected]CVE-2021-3541

HistoryJul 09, 2021 - 5:15 p.m.

CVE-2021-3541

2021-07-0917:15:07

CWE-776

[email protected]

web.nvd.nist.gov

343

libxml2

cve-2021-3541

vulnerability

entity expansion

denial of service

nvd

4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

35.1%

JSON

A flaw was found in libxml2. Exponential entity expansion attack its possible bypassing all existing protection mechanisms and leading to denial of service.

Affected configurations

Vulners

NVD

Node

xmlsoftlibxml2Range≤2.9.11

VendorProductVersionCPE
xmlsoftlibxml2*cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
xmlsoft	libxml2	*	cpe:2.3:a:xmlsoft:libxml2::::::::

CNA Affected

[
  {
    "product": "libxml2",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "2.9.11"
      }
    ]
  }
]