Vulnerability Name:

CVE-2018-8916 (CCN-144631)

Assigned:2018-06-08
Published:2018-06-08
Updated:2019-10-09
Summary:Unverified password change vulnerability in Change Password in Synology DiskStation Manager (DSM) before 6.2-23739 allows remote authenticated users to reset password without verification.
CVSS v3 Severity:8.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
7.7 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
6.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L)
5.5 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:4.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
6.5 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-640
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2018-8916

Source: XF
Type: UNKNOWN
synology-cve20188916-sec-bypass(144631)

Source: CCN
Type: Synology-SA-18:24
DSM

Source: CONFIRM
Type: Vendor Advisory
https://www.synology.com/en-global/support/security/Synology_SA_18_24

Vulnerable Configuration:Configuration 1:
  • cpe:/a:synology:diskstation_manager:*:*:*:*:*:*:*:* (Version < 6.2-23739)

    • Configuration CCN 1:
  • cpe:/a:synology:diskstation_manager:5.2:*:*:*:*:*:*:*
  • OR cpe:/a:synology:diskstation_manager:6.0:*:*:*:*:*:*:*
  • OR cpe:/a:synology:diskstation_manager:6.1:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    synology diskstation manager *
    synology diskstation manager 5.2
    synology diskstation manager 6.0
    synology diskstation manager 6.1