Vulnerability Name:

CVE-2019-5538 (CCN-170186)

Assigned:2019-10-24
Published:2019-10-24
Updated:2021-08-24
Summary:Sensitive information disclosure vulnerability resulting from a lack of certificate validation during the File-Based Backup and Restore operations of VMware vCenter Server Appliance (6.7 before 6.7u3a and 6.5 before 6.5u3d) may allow a malicious actor to intercept sensitive data in transit over SCP. A malicious actor with man-in-the-middle positioning between vCenter Server Appliance and a backup target may be able to intercept sensitive data in transit during File-Based Backup and Restore operations.
CVSS v3 Severity:5.9 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)
5.2 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/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): None
Availibility (A): None
6.8 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N)
5.9 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/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): Changed
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
5.4 Medium (CCN CVSS v2 Vector: AV:N/AC:H/Au:N/C:C/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): High
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-295
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2019-5538

Source: XF
Type: UNKNOWN
vmware-cve20195538-info-disc(170186)

Source: CCN
Type: VMware Security Advisory VMSA-2019-0018
VMware vCenter Server Appliance updates address sensitive information disclosure vulnerability in backup and restore functions (CVE-2019-5537, CVE-2019-5538)

Source: MISC
Type: Vendor Advisory
https://www.vmware.com/security/advisories/VMSA-2019-0018.html

Vulnerable Configuration:Configuration 1:
  • cpe:/a:vmware:vcenter_server:6.5:update2:*:*:*:*:*:*
  • OR cpe:/a:vmware:vcenter_server:6.5:update2b:*:*:*:*:*:*
  • OR cpe:/a:vmware:vcenter_server:6.5:update2c:*:*:*:*:*:*
  • OR cpe:/a:vmware:vcenter_server:6.5:update2d:*:*:*:*:*:*
  • OR cpe:/a:vmware:vcenter_server:6.5:d:*:*:*:*:*:*
  • OR cpe:/a:vmware:vcenter_server:6.5:e:*:*:*:*:*:*
  • OR cpe:/a:vmware:vcenter_server:6.5:f:*:*:*:*:*:*
  • OR cpe:/a:vmware:vcenter_server:6.5:update1:*:*:*:*:*:*
  • OR cpe:/a:vmware:vcenter_server:6.7:b:*:*:*:*:*:*
  • OR cpe:/a:vmware:vcenter_server:6.7:d:*:*:*:*:*:*
  • OR cpe:/a:vmware:vcenter_server:6.7:update1:*:*:*:*:*:*
  • OR cpe:/a:vmware:vcenter_server:6.7:update1b:*:*:*:*:*:*
  • OR cpe:/a:vmware:vcenter_server:6.5:a:*:*:*:*:*:*
  • OR cpe:/a:vmware:vcenter_server:6.5:c:*:*:*:*:*:*
  • OR cpe:/a:vmware:vcenter_server:6.5:update1b:*:*:*:*:*:*
  • OR cpe:/a:vmware:vcenter_server:6.5:update1d:*:*:*:*:*:*
  • OR cpe:/a:vmware:vcenter_server:6.5:update1g:*:*:*:*:*:*
  • OR cpe:/a:vmware:vcenter_server:6.5:update2g:*:*:*:*:*:*
  • OR cpe:/a:vmware:vcenter_server:6.7:-:*:*:*:*:*:*
  • OR cpe:/a:vmware:vcenter_server:6.7:update2a:*:*:*:*:*:*
  • OR cpe:/a:vmware:vcenter_server:6.7:update3:*:*:*:*:*:*
  • OR cpe:/a:vmware:vcenter_server:6.5:-:*:*:*:*:*:*
  • OR cpe:/a:vmware:vcenter_server:6.5:b:*:*:*:*:*:*
  • OR cpe:/a:vmware:vcenter_server:6.5:update1c:*:*:*:*:*:*
  • OR cpe:/a:vmware:vcenter_server:6.5:update1e:*:*:*:*:*:*
  • OR cpe:/a:vmware:vcenter_server:6.5:update3:*:*:*:*:*:*
  • OR cpe:/a:vmware:vcenter_server:6.7:a:*:*:*:*:*:*
  • OR cpe:/a:vmware:vcenter_server:6.7:update2:*:*:*:*:*:*
  • OR cpe:/a:vmware:vcenter_server:6.7:update2c:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    vmware vcenter server 6.5 update2
    vmware vcenter server 6.5 update2b
    vmware vcenter server 6.5 update2c
    vmware vcenter server 6.5 update2d
    vmware vcenter server 6.5 d
    vmware vcenter server 6.5 e
    vmware vcenter server 6.5 f
    vmware vcenter server 6.5 update1
    vmware vcenter server 6.7 b
    vmware vcenter server 6.7 d
    vmware vcenter server 6.7 update1
    vmware vcenter server 6.7 update1b
    vmware vcenter server 6.5 a
    vmware vcenter server 6.5 c
    vmware vcenter server 6.5 update1b
    vmware vcenter server 6.5 update1d
    vmware vcenter server 6.5 update1g
    vmware vcenter server 6.5 update2g
    vmware vcenter server 6.7 -
    vmware vcenter server 6.7 update2a
    vmware vcenter server 6.7 update3
    vmware vcenter server 6.5 -
    vmware vcenter server 6.5 b
    vmware vcenter server 6.5 update1c
    vmware vcenter server 6.5 update1e
    vmware vcenter server 6.5 update3
    vmware vcenter server 6.7 a
    vmware vcenter server 6.7 update2
    vmware vcenter server 6.7 update2c