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[email protected]CVE-2020-27724

HistoryDec 24, 2020 - 3:15 p.m.

CVE-2020-27724

2020-12-2415:15:12

CWE-400

[email protected]

web.nvd.nist.gov

big-ip

apm

tmm

authenticated vpn

resource consumption

cve-2020-27724

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

6.4 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

35.1%

JSON

In BIG-IP APM versions 16.0.0-16.0.0.1, 15.1.0-15.1.0.4, 15.0.0-15.0.1.3, 14.1.0-14.1.3, 13.1.0-13.1.3.4, 12.1.0-12.1.5.2, and 11.6.1-11.6.5.2, on systems running more than one TMM instance, authenticated VPN users may consume excessive resources by sending specially-crafted malicious traffic over the tunnel.

Affected configurations

NVD

Node

f5big-ip_access_policy_managerRange11.6.1–11.6.5

f5big-ip_access_policy_managerRange12.1.0–12.1.5

f5big-ip_access_policy_managerRange13.1.0–13.1.3.5

f5big-ip_access_policy_managerRange14.1.0–14.1.3.1

f5big-ip_access_policy_managerRange15.0.0–15.0.1.4

f5big-ip_access_policy_managerRange15.1.0–15.1.0.5

f5big-ip_access_policy_managerRange16.0.0–16.0.1

CPENameOperatorVersion
f5:big-ip_access_policy_managerf5 big-ip access policy managerle11.6.5
f5:big-ip_access_policy_managerf5 big-ip access policy managerle12.1.5
f5:big-ip_access_policy_managerf5 big-ip access policy managerlt13.1.3.5
f5:big-ip_access_policy_managerf5 big-ip access policy managerlt14.1.3.1
f5:big-ip_access_policy_managerf5 big-ip access policy managerlt15.0.1.4
f5:big-ip_access_policy_managerf5 big-ip access policy managerlt15.1.0.5
f5:big-ip_access_policy_managerf5 big-ip access policy managerlt16.0.1

CPE	Name	Operator	Version
f5:big-ip_access_policy_manager	f5 big-ip access policy manager	le	11.6.5
f5:big-ip_access_policy_manager	f5 big-ip access policy manager	le	12.1.5
f5:big-ip_access_policy_manager	f5 big-ip access policy manager	lt	13.1.3.5
f5:big-ip_access_policy_manager	f5 big-ip access policy manager	lt	14.1.3.1
f5:big-ip_access_policy_manager	f5 big-ip access policy manager	lt	15.0.1.4
f5:big-ip_access_policy_manager	f5 big-ip access policy manager	lt	15.1.0.5
f5:big-ip_access_policy_manager	f5 big-ip access policy manager	lt	16.0.1

CNA Affected

[
  {
    "product": "BIG-IP APM",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "16.0.0-16.0.0.1, 15.1.0-15.1.0.4, 15.0.0-15.0.1.3, 14.1.0-14.1.3, 13.1.0-13.1.3.4, 12.1.0-12.1.5.2, 11.6.1-11.6.5.2"
      }
    ]
  }
]

References

support.f5.com/csp/article/K04518313

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

6.4 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

35.1%

JSON

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