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F5CVELIST:CVE-2024-21849

HistoryFeb 14, 2024 - 4:30 p.m.

CVE-2024-21849 BIG-IP Websockets vulnerability

2024-02-1416:30:21

CWE-466

www.cve.org

advanced waf

asm security policy

virtual server

traffic management microkernel (tmm)

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

0.0004 Low

EPSS

Percentile

9.1%

JSON

When an Advanced WAF/ASM security policy and a Websockets profile are configured on a virtual server, undisclosed traffic can cause the Traffic Management Microkernel (TMM) process to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CNA Affected

[
  {
    "defaultStatus": "unknown",
    "modules": [
      "Advanced WAF",
      "ASM"
    ],
    "product": "BIG-IP",
    "vendor": "F5",
    "versions": [
      {
        "lessThan": "*",
        "status": "unaffected",
        "version": "17.1.0",
        "versionType": "custom"
      },
      {
        "lessThan": "16.1.4",
        "status": "affected",
        "version": "16.1.0",
        "versionType": "custom"
      },
      {
        "lessThan": "*",
        "status": "unaffected",
        "version": "15.1.0",
        "versionType": "semver"
      }
    ]
  }
]

References

my.f5.com/manage/s/article/K000135873

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

0.0004 Low

EPSS

Percentile

9.1%

JSON

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