Vulnerability Name:

CVE-2021-20042 (CCN-214761)

Assigned:2020-12-17
Published:2021-12-07
Updated:2023-06-26
Summary:
CVSS v3 Severity:9.8 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/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): None
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:N/UI:R/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:N/UI:R/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): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:7.5 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
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 Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2021-20042

Source: XF
Type: UNKNOWN
sonicwall-cve202120042-sec-bypass(214761)

Source: CCN
Type: SonicWall Security Advisory SNWLID-2021-0026
SonicWall patches multiple SMA100 affected vulnerabilities

Source: PSIRT@sonicwall.com
Type: Vendor Advisory
PSIRT@sonicwall.com

Vulnerable Configuration:Configuration CCN 1:
  • cpe:/o:sonicwall:sma100_firmware:10.2.0.5:*:*:*:*:*:*:*
  • OR cpe:/a:sonicwall:sma_500v:9.0.0.10-28sv:*:*:*:*:*:*:*
  • OR cpe:/a:sonicwall:sma_500v:10.2.0.7-34sv:*:*:*:*:*:*:*
  • OR cpe:/a:sonicwall:sma_500v:10.2.1.0-17sv:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    sonicwall sma100 firmware 10.2.0.5
    sonicwall sma 500v 9.0.0.10-28sv
    sonicwall sma 500v 10.2.0.7-34sv
    sonicwall sma 500v 10.2.1.0-17sv