Vulnerability Name:

CVE-2021-29088 (CCN-202860)

Assigned:2021-02-23
Published:2021-02-23
Updated:2021-06-09
Summary:Improper limitation of a pathname to a restricted directory ('Path Traversal') in cgi component in Synology DiskStation Manager (DSM) before 6.2.4-25553 allows local users to execute arbitrary code via unspecified vectors.
CVSS v3 Severity:7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/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): Local
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
7.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/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): Local
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
CVSS v2 Severity:4.6 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
6.8 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-22
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2021-29088

Source: XF
Type: UNKNOWN
synology-cve202129088-path-trav(202860)

Source: CCN
Type: Synology-SA-21:03
DSM

Source: CONFIRM
Type: Vendor Advisory
https://www.synology.com/security/advisory/Synology_SA_21_03

Vulnerable Configuration:Configuration 1:
  • cpe:/a:synology:diskstation_manager:*:*:*:*:*:*:*:* (Version < 6.2.4-25553)

    • Configuration CCN 1:
  • cpe:/a:synology:diskstation_manager:4.3-3810:*:*:*:*:*:*:*
  • OR cpe:/a:synology:diskstation_manager:3.0:*:*:*:*:*:*:*
  • OR cpe:/a:synology:diskstation_manager:5.2-5565:*:*:*:*:*:*:*
  • OR cpe:/a:synology:diskstation_manager:5.2:*:*:*:*:*:*:*
  • OR cpe:/a:synology:diskstation_manager:6.0:*:*:*:*:*:*:*
  • OR cpe:/a:synology:diskstation_manager:6.1:*:*:*:*:*:*:*
  • OR cpe:/a:synology:diskstation_manager:6.2:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    synology diskstation manager *
    synology diskstation manager 4.3-3810
    synology diskstation manager 3.0
    synology diskstation manager 5.2-5565
    synology diskstation manager 5.2
    synology diskstation manager 6.0
    synology diskstation manager 6.1
    synology diskstation manager 6.2