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PivotalCVE-2020-5420

HistorySep 03, 2020 - 1:15 a.m.

CVE-2020-5420

2020-09-0301:15:10

CWE-754

pivotal

web.nvd.nist.gov

cve-2020-5420

cloud foundry

gorouter

denial-of-service

nvd

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:S/C:N/I:N/A:C

CVSS3

7.7

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

7.4

Confidence

High

EPSS

0.001

Percentile

44.5%

JSON

Cloud Foundry Routing (Gorouter) versions prior to 0.206.0 allow a malicious developer with “cf push” access to cause denial-of-service to the CF cluster by pushing an app that returns specially crafted HTTP responses that crash the Gorouters.

Affected configurations

Nvd

Node

cloudfoundrycf-deploymentRange<13.15.0

cloudfoundrygorouterRange<0.206.0

VendorProductVersionCPE
cloudfoundrycf-deployment*cpe:2.3:a:cloudfoundry:cf-deployment:*:*:*:*:*:*:*:*
cloudfoundrygorouter*cpe:2.3:a:cloudfoundry:gorouter:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
cloudfoundry	cf-deployment	*	cpe:2.3:a:cloudfoundry:cf-deployment::::::::
cloudfoundry	gorouter	*	cpe:2.3:a:cloudfoundry:gorouter::::::::

CNA Affected

[
  {
    "product": "Routing",
    "vendor": "Cloud Foundry",
    "versions": [
      {
        "lessThan": "0.206.0",
        "status": "affected",
        "version": "All",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "CF Deployment",
    "vendor": "Cloud Foundry",
    "versions": [
      {
        "lessThan": "13.15.0",
        "status": "affected",
        "version": "All",
        "versionType": "custom"
      }
    ]
  }
]

References

www.cloudfoundry.org/blog/cve-2020-5420

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:S/C:N/I:N/A:C

CVSS3

7.7

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

7.4

Confidence

High

EPSS

0.001

Percentile

44.5%

JSON

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