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PivotalCVE-2020-5402

HistoryFeb 27, 2020 - 8:15 p.m.

CVE-2020-5402

2020-02-2720:15:11

CWE-352

pivotal

web.nvd.nist.gov

cloud foundry

uaa

csrf vulnerability

oauth2

identity providers

nvd

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.5

Confidence

High

EPSS

0.001

Percentile

31.5%

JSON

In Cloud Foundry UAA, versions prior to 74.14.0, a CSRF vulnerability exists due to the OAuth2 state parameter not being checked in the callback function when authenticating with external identity providers.

Affected configurations

Nvd

Node

cloudfoundrycf-deploymentRange<12.33.0

cloudfoundryuser_account_and_authenticationRange<74.14.0

VendorProductVersionCPE
cloudfoundrycf-deployment*cpe:2.3:a:cloudfoundry:cf-deployment:*:*:*:*:*:*:*:*
cloudfoundryuser_account_and_authentication*cpe:2.3:a:cloudfoundry:user_account_and_authentication:*:*:*:*:*:*:*:*

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

CNA Affected

[
  {
    "product": "UAA",
    "vendor": "Cloud Foundry",
    "versions": [
      {
        "lessThan": "v74.14.0",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

References

www.cloudfoundry.org/blog/cve-2020-5402

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.5

Confidence

High

EPSS

0.001

Percentile

31.5%

JSON

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