Vulnerability Name:

CVE-2020-25239 (CCN-197942)

Assigned:2020-09-10
Published:2021-03-09
Updated:2021-03-18
Summary:A vulnerability has been identified in SINEMA Remote Connect Server (All versions < V3.0). The webserver could allow unauthorized actions via special urls for unpriviledged users. The settings of the UMC authorization server could be changed to add a rogue server by an attacker authenticating with unprivilege user rights.
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
8.8 High (CCN 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 (CCN 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
CVSS v2 Severity:6.5 Medium (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
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
9.0 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-863
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2020-25239

Source: CONFIRM
Type: Vendor Advisory
N/A

Source: CCN
Type: Siemens Security Advisory SSA-731317
Multiple vulnerabilities in SINEMA Remote Connect Web Based Management

Source: XF
Type: UNKNOWN
siemens-cve202025239-sec-bypass(197942)

Source: CCN
Type: ICSA-21-068-04
Siemens SINEMA Remote Connect Server

Vulnerable Configuration:Configuration 1:
  • cpe:/a:siemens:sinema_remote_connect_server:*:*:*:*:*:*:*:* (Version < 3.0)

    • Configuration CCN 1:
  • cpe:/a:siemens:sinema_remote_connect_server:*:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    siemens sinema remote connect server *
    siemens sinema remote connect server *