CVE-2020-11637
5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
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
7.3 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
44.5%
A memory leak in the TFTP service in B&R Automation Runtime versions <N4.26, <N4.34, <F4.45, <E4.53, <D4.63, <A4.73 and prior could allow an unauthenticated attacker with network access to cause a denial of service (DoS) condition.
Affected configurations
CNA Affected
[
{
"product": "Automation Runtime",
"vendor": "B&R",
"versions": [
{
"lessThanOrEqual": "4.1x",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
},
{
"lessThan": "N4.26",
"status": "affected",
"version": "4.2x",
"versionType": "custom"
},
{
"lessThan": "N4.34",
"status": "affected",
"version": "4.3x",
"versionType": "custom"
},
{
"lessThan": "F4.45",
"status": "affected",
"version": "4.4x",
"versionType": "custom"
},
{
"lessThan": "E4.53",
"status": "affected",
"version": "4.5x",
"versionType": "custom"
},
{
"lessThan": "D4.63",
"status": "affected",
"version": "4.6x",
"versionType": "custom"
},
{
"lessThan": "A4.73",
"status": "affected",
"version": "4.7x",
"versionType": "custom"
}
]
}
]Related
5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
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
7.3 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
44.5%