CVE-2023-40534 BIG-IP HTTP/2 vulnerability

2023-10-1012:32:37

CWE-401

www.cve.org

cve-2023-40534

big-ip

http/2

virtual server

irule

tmm termination

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

0.0005 Low

EPSS

Percentile

17.1%

JSON

When a client-side HTTP/2 profile and the HTTP MRF Router option are enabled for a virtual server, and an iRule using the HTTP_REQUEST event or Local Traffic Policy are associated with the virtual server, undisclosed requests can cause TMM to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CNA Affected

[
  {
    "defaultStatus": "unknown",
    "modules": [
      "All Modules"
    ],
    "product": "BIG-IP",
    "vendor": "F5",
    "versions": [
      {
        "lessThan": "17.1.0.3.0.23.4-ENG",
        "status": "affected",
        "version": "17.1.0",
        "versionType": "semver"
      },
      {
        "lessThan": "16.1.4.1.0.13.5-ENG",
        "status": "affected",
        "version": "16.1.0",
        "versionType": "semver"
      },
      {
        "lessThan": "*",
        "status": "unaffected",
        "version": "15.1.0",
        "versionType": "semver"
      },
      {
        "lessThan": "*",
        "status": "unaffected",
        "version": "14.1.0",
        "versionType": "semver"
      },
      {
        "lessThan": "*",
        "status": "unaffected",
        "version": "13.1.0",
        "versionType": "semver"
      }
    ]
  },
  {
    "defaultStatus": "unknown",
    "product": "BIG-IP Next SPK",
    "vendor": "F5",
    "versions": [
      {
        "lessThan": "*",
        "status": "affected",
        "version": "1.6.0",
        "versionType": "semver"
      }
    ]
  }
]