Vulnerability Name:

CVE-2020-5399 (CCN-176237)

Assigned:2020-02-12
Published:2020-02-12
Updated:2020-02-27
Summary:Cloud Foundry CredHub, versions prior to 2.5.10, connects to a MySQL database without TLS even when configured to use TLS. A malicious user with access to the network between CredHub and its MySQL database may eavesdrop on database connections and thereby gain unauthorized access to CredHub and other components.
CVSS v3 Severity:7.4 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N)
6.4 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): None
7.4 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N)
6.4 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): None
CVSS v2 Severity:5.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): None
7.1 High (CCN CVSS v2 Vector: AV:N/AC:H/Au:N/C:C/I:C/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): High
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): None
Vulnerability Type:CWE-319
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2020-5399

Source: XF
Type: UNKNOWN
cloudfoundry-cve20205399-sec-bypass(176237)

Source: CONFIRM
Type: Vendor Advisory
https://www.cloudfoundry.org/blog/cve-2020-5399

Source: CCN
Type: Cloud Foundry Blog, February 12, 2020
CVE-2020-5399: CredHub does not properly enable TLS for MySQL database connections

Vulnerable Configuration:Configuration 1:
  • cpe:/a:cloudfoundry:credhub:*:*:*:*:*:*:*:* (Version < 2.5.10)
  • OR cpe:/a:pivotal_software:cloud_foundry_cf-deployment:*:*:*:*:*:*:*:* (Version < 12.29.0)

    • * Denotes that component is vulnerable
    BACK
    cloudfoundry credhub *
    pivotal_software cloud foundry cf-deployment *