Vulnerability Name:

CVE-2021-20662 (CCN-197097)

Assigned:2020-12-17
Published:2021-02-19
Updated:2021-03-01
Summary:Missing authentication for critical function in SolarView Compact SV-CPT-MC310 prior to Ver.6.5 allows an attacker to alter the setting information without the access privileges via unspecified vectors.
CVSS v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): High
Availibility (A): None
4.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)
3.8 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
3.3 Low (CCN CVSS v2 Vector: AV:A/AC:L/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Adjacent_Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-306
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2021-20662

Source: CCN
Type: JVN#37417423
Multiple vulnerabilities in SolarView Compact

Source: XF
Type: UNKNOWN
solarview-cve202120662-sec-bypass(197097)

Source: MISC
Type: Third Party Advisory
https://jvn.jp/en/jp/JVN37417423/index.html

Source: MISC
Type: Vendor Advisory
https://www.contec.com/jp/api/downloadlogger?download=https://www.contec.com/jp/-/media/contec/jp/support/security-info/contec_security_solarview_210216.pdf

Source: CCN
Type: Contec Web site
SolarView Compact

Source: MISC
Type: Vendor Advisory
https://www.contec.com/jp/download/contract/contract2/?itemid=b28c8b7c-9f40-40b2-843c-b5b04c035b0e&downloaditemid=fa248fba-8901-4d9e-8212-b139f2defbdf

Vulnerable Configuration:Configuration 1:
  • cpe:/o:contec:sv-cpt-mc310_firmware:*:*:*:*:*:*:*:* (Version < 6.5)
  • AND
  • cpe:/h:contec:sv-cpt-mc310:-:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    contec sv-cpt-mc310 firmware *
    contec sv-cpt-mc310 -