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[email protected]CVE-2020-5936

HistoryOct 29, 2020 - 4:15 p.m.

CVE-2020-5936

2020-10-2916:15:15

CWE-400

[email protected]

web.nvd.nist.gov

cve-2020-5936

big-ip

ltm

ssl

traffic

processing

vulnerability

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

7.7 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

42.6%

JSON

On BIG-IP LTM 15.1.0-15.1.0.5, 14.1.0-14.1.2.7, 13.1.0-13.1.3.4, and 12.1.0-12.1.5.1, the Traffic Management Microkernel (TMM) process may consume excessive resources when processing SSL traffic and client authentication are enabled on the client SSL profile.

Affected configurations

NVD

Node

f5big-ip_local_traffic_managerRange12.1.0–12.1.5.2

f5big-ip_local_traffic_managerRange13.1.0–13.1.3.4

f5big-ip_local_traffic_managerRange14.1.0–14.1.2.8

f5big-ip_local_traffic_managerRange15.0.0–15.1.1

CPENameOperatorVersion
f5:big-ip_local_traffic_managerf5 big-ip local traffic managerlt12.1.5.2
f5:big-ip_local_traffic_managerf5 big-ip local traffic managerle13.1.3.4
f5:big-ip_local_traffic_managerf5 big-ip local traffic managerlt14.1.2.8
f5:big-ip_local_traffic_managerf5 big-ip local traffic managerlt15.1.1

CPE	Name	Operator	Version
f5:big-ip_local_traffic_manager	f5 big-ip local traffic manager	lt	12.1.5.2
f5:big-ip_local_traffic_manager	f5 big-ip local traffic manager	le	13.1.3.4
f5:big-ip_local_traffic_manager	f5 big-ip local traffic manager	lt	14.1.2.8
f5:big-ip_local_traffic_manager	f5 big-ip local traffic manager	lt	15.1.1

CNA Affected

[
  {
    "product": "BIG-IP LTM",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "15.1.0-15.1.0.5, 14.1.0-14.1.2.7, 13.1.0-13.1.3.4, 12.1.0-12.1.5.1"
      }
    ]
  }
]

References

support.f5.com/csp/article/K44020030

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

7.7 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

42.6%

JSON

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