CVE-2022-26517

2022-05-0516:28:23

CWE-682

www.cve.org

f5 big-ip

lsn pool

vulnerability

packet filtering

tmm

termination

cgnat

CVSS3

5.9

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

38.4%

JSON

On F5 BIG-IP 15.1.x versions prior to 15.1.5.1, 14.1.x versions prior to 14.1.4.6, and 13.1.x versions prior to 13.1.5, when the BIG-IP CGNAT Large Scale NAT (LSN) pool is configured on a virtual server and packet filtering is enabled, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated

CNA Affected

[
  {
    "product": "BIG-IP",
    "vendor": "F5",
    "versions": [
      {
        "status": "unaffected",
        "version": "12.1.x"
      },
      {
        "status": "unaffected",
        "version": "11.6.x"
      },
      {
        "lessThan": "17.0.x*",
        "status": "unaffected",
        "version": "17.0.0",
        "versionType": "custom"
      },
      {
        "lessThan": "16.1.x*",
        "status": "unaffected",
        "version": "16.1.0",
        "versionType": "custom"
      },
      {
        "lessThan": "15.1.5.1",
        "status": "affected",
        "version": "15.1.x",
        "versionType": "custom"
      },
      {
        "lessThan": "14.1.4.6",
        "status": "affected",
        "version": "14.1.x",
        "versionType": "custom"
      },
      {
        "lessThan": "13.1.5",
        "status": "affected",
        "version": "13.1.x",
        "versionType": "custom"
      }
    ]
  }
]