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cve[email protected]CVE-2020-5426
HistoryNov 11, 2020 - 5:15 p.m.

CVE-2020-5426

2020-11-1117:15:13
CWE-319
web.nvd.nist.gov
20
cve-2020-5426
scheduler
tas
plaintext transmission
uaa client token
non-tls connection
mysql server
admin level access
security vulnerability

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.2 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

55.7%

Scheduler for TAS prior to version 1.4.0 was permitting plaintext transmission of UAA client token by sending it over a non-TLS connection. This also depended on the configuration of the MySQL server which is used to cache a UAA client token used by the service. If intercepted the token can give an attacker admin level access in the cloud controller.

Affected configurations

NVD
Node
vmwarepivotal_schedulerRange<1.4.0

CNA Affected

[
  {
    "product": "Pivotal Scheduler",
    "vendor": "VMware Tanzu",
    "versions": [
      {
        "lessThan": "1.4.0",
        "status": "affected",
        "version": "All",
        "versionType": "custom"
      }
    ]
  }
]

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.2 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

55.7%

Related for CVE-2020-5426