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F5CVE-2020-27713

HistoryDec 11, 2020 - 7:15 p.m.

CVE-2020-27713

2020-12-1119:15:12

CWE-401

web.nvd.nist.gov

cve-2020-27713

big-ip

afm

http

security

profile

virtual server

tmm

memory leak

vulnerability

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

CVSS3

7.5

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

EPSS

0.001

Percentile

42.5%

JSON

In certain configurations on version 13.1.3.4, when a BIG-IP AFM HTTP security profile is applied to a virtual server and the BIG-IP system receives a request with specific characteristics, the connection is reset and the Traffic Management Microkernel (TMM) leaks memory.

Affected configurations

Nvd

Node

f5big-ip_advanced_firewall_managerMatch13.1.3.4

VendorProductVersionCPE
f5big-ip_advanced_firewall_manager13.1.3.4cpe:2.3:a:f5:big-ip_advanced_firewall_manager:13.1.3.4:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
f5	big-ip_advanced_firewall_manager	13.1.3.4	cpe:2.3:a:f5:big-ip_advanced_firewall_manager:13.1.3.4:::::::*

CNA Affected

[
  {
    "product": "BIG-IP",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "13.1.3.4"
      }
    ]
  }
]

References

support.f5.com/csp/article/K37960100

Social References

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

CVSS3

7.5

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

EPSS

0.001

Percentile

42.5%

JSON

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