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[email protected]CVE-2021-23032

HistorySep 14, 2021 - 6:15 p.m.

CVE-2021-23032

2021-09-1418:15:08

CWE-20

[email protected]

web.nvd.nist.gov

cve

2021

23032

big-ip

dns

security

vulnerability

tmm

termination

wide ip

pool settings

nvd

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/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

7.5 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

42.6%

JSON

On version 16.x before 16.1.0, 15.1.x before 15.1.3.1, 14.1.x before 14.1.4.4, and all versions of 13.1.x and 12.1.x, when a BIG-IP DNS system is configured with non-default Wide IP and pool settings, undisclosed DNS responses can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected configurations

NVD

Node

f5big-ip_domain_name_systemRange12.1.0–12.1.6

f5big-ip_domain_name_systemRange13.1.0–13.1.4

f5big-ip_domain_name_systemRange14.1.0–14.1.4.4

f5big-ip_domain_name_systemRange15.1.0–15.1.3.1

f5big-ip_domain_name_systemRange16.0.0–16.1.0

CPENameOperatorVersion
f5:big-ip_domain_name_systemf5 big-ip domain name systemle12.1.6
f5:big-ip_domain_name_systemf5 big-ip domain name systemle13.1.4
f5:big-ip_domain_name_systemf5 big-ip domain name systemlt14.1.4.4
f5:big-ip_domain_name_systemf5 big-ip domain name systemlt15.1.3.1
f5:big-ip_domain_name_systemf5 big-ip domain name systemlt16.1.0

CPE	Name	Operator	Version
f5:big-ip_domain_name_system	f5 big-ip domain name system	le	12.1.6
f5:big-ip_domain_name_system	f5 big-ip domain name system	le	13.1.4
f5:big-ip_domain_name_system	f5 big-ip domain name system	lt	14.1.4.4
f5:big-ip_domain_name_system	f5 big-ip domain name system	lt	15.1.3.1
f5:big-ip_domain_name_system	f5 big-ip domain name system	lt	16.1.0

CNA Affected

[
  {
    "product": "BIG-IP DNS",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "16.x before 16.1.0, 15.1.x before 15.1.3.1, 14.1.x before 14.1.4.4, and all versions of 13.1.x and 12.1.x"
      }
    ]
  }
]