CVE-2021-20041
7.8 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:N/I:N/A:C
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
8.5 High
AI Score
Confidence
High
0.003 Low
EPSS
Percentile
70.0%
An unauthenticated and remote adversary can consume all of the device’s CPU due to crafted HTTP requests sent to SMA100 /fileshare/sonicfiles/sonicfiles resulting in a loop with unreachable exit condition. This vulnerability affected SMA 200, 210, 400, 410 and 500v appliances.
Affected configurations
CNA Affected
[
{
"product": "SonicWall SMA100",
"vendor": "SonicWall",
"versions": [
{
"status": "affected",
"version": "9.0.0.11-31sv and earlier"
},
{
"status": "affected",
"version": "10.2.0.8-37sv and earlier"
},
{
"status": "affected",
"version": "10.2.1.1-19sv and earlier"
},
{
"status": "affected",
"version": "10.2.1.2-24sv and earlier"
}
]
}
]Related
7.8 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:N/I:N/A:C
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
8.5 High
AI Score
Confidence
High
0.003 Low
EPSS
Percentile
70.0%