CVE-2020-5871

Published Apr 30, 2020

Last updated 5 years ago

Overview

Description: On BIG-IP 14.1.0-14.1.2.3, undisclosed requests can lead to a denial of service (DoS) when sent to BIG-IP HTTP/2 virtual servers. The problem can occur when ciphers, which have been blacklisted by the HTTP/2 RFC, are used on backend servers. This is a data-plane issue. There is no control-plane exposure.
Source: f5sirt@f5.com
NVD status: Analyzed

Risk scores

CVSS 3.1

Type: Primary
Base score: 7.5
Impact score: 3.6
Exploitability score: 3.9
Vector string: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Severity: HIGH

CVSS 2.0

Type: Primary
Base score: 5
Impact score: 2.9
Exploitability score: 10
Vector string: AV:N/AC:L/Au:N/C:N/I:N/A:P

Weaknesses

nvd@nist.gov: NVD-CWE-noinfo

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "07FC84CA-3E12-43FB-ADBD-7B988DEF3A97",
            "versionEndIncluding": "14.1.2.3",
            "versionStartIncluding": "14.1.0"
          }
        ],
        "operator": "OR"
      }
    ]
  },
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "5BEE162F-A016-4EDB-A7D1-1F87945EED3E",
            "versionEndIncluding": "14.1.2.3",
            "versionStartIncluding": "14.1.0"
          }
        ],
        "operator": "OR"
      }
    ]
  },
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "7F553CD8-01FF-4616-A32C-4F4B5844A6FD",
            "versionEndIncluding": "14.1.2.3",
            "versionStartIncluding": "14.1.0"
          }
        ],
        "operator": "OR"
      }
    ]
  },
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "547D6BFB-5DE8-4027-88EF-0349400494D1",
            "versionEndIncluding": "14.1.2.3",
            "versionStartIncluding": "14.1.0"
          }
        ],
        "operator": "OR"
      }
    ]
  },
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "7881BC1C-1B10-43D4-AD4A-545D7C7C4160",
            "versionEndIncluding": "14.1.2.3",
            "versionStartIncluding": "14.1.0"
          }
        ],
        "operator": "OR"
      }
    ]
  },
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "17DCA2C1-FD7A-430F-AD7C-4AB2DF7E233E",
            "versionEndIncluding": "14.1.2.3",
            "versionStartIncluding": "14.1.0"
          }
        ],
        "operator": "OR"
      }
    ]
  },
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "F6DFBD76-20DB-497D-B407-1EAA5555B49F",
            "versionEndIncluding": "14.1.2.3",
            "versionStartIncluding": "14.1.0"
          }
        ],
        "operator": "OR"
      }
    ]
  },
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "64B21CD4-4D50-45EC-8297-D54A1BBC6521",
            "versionEndIncluding": "14.1.2.3",
            "versionStartIncluding": "14.1.0"
          }
        ],
        "operator": "OR"
      }
    ]
  },
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "DA369F2E-2E17-4BEA-B894-14656D977B93",
            "versionEndIncluding": "14.1.2.3",
            "versionStartIncluding": "14.1.0"
          }
        ],
        "operator": "OR"
      }
    ]
  },
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "7E0B6F31-DC75-49C9-9E59-EF1CD68B1B3D",
            "versionEndIncluding": "14.1.2.3",
            "versionStartIncluding": "14.1.0"
          }
        ],
        "operator": "OR"
      }
    ]
  },
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "8D806FBF-8E6D-412C-B547-92AD9294B639",
            "versionEndIncluding": "14.1.2.3",
            "versionStartIncluding": "14.1.0"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

Overview

Risk scores

CVSS 3.1

CVSS 2.0

Weaknesses

Social media

Configurations

References