CVE-2024-21771

2024-02-1417:15:11

CWE-770

[email protected]

web.nvd.nist.gov

cve

2024

21771

big-ip

afm

ips

signature matching

traffic disruption

nvd

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

0.0004 Low

EPSS

Percentile

9.1%

JSON

For unspecified traffic patterns, BIG-IP AFM IPS engine may spend an excessive amount of time matching the traffic against signatures, resulting in Traffic Management Microkernel (TMM) restarting and traffic disruption. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated

CNA Affected

[
  {
    "defaultStatus": "unknown",
    "modules": [
      "AFM",
      "IPS"
    ],
    "product": "BIG-IP",
    "vendor": "F5",
    "versions": [
      {
        "lessThan": "17.1.1",
        "status": "affected",
        "version": "17.1.0",
        "versionType": "custom"
      },
      {
        "lessThan": "16.1.4",
        "status": "affected",
        "version": "16.1.0",
        "versionType": "custom"
      },
      {
        "lessThan": "15.1.9",
        "status": "affected",
        "version": "15.1.0",
        "versionType": "custom"
      }
    ]
  }
]