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
7.5 High
AI Score
Confidence
High
0.002 Low
EPSS
Percentile
52.3%
A vulnerability in the ISDN functions of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause the device to reload. The vulnerability is due to incorrect processing of specific values in the Q.931 information elements. An attacker could exploit this vulnerability by calling the affected device with specific Q.931 information elements being present. An exploit could allow the attacker to cause the device to reload, resulting in a denial of service (DoS) condition on an affected device.
[
{
"product": "Cisco IOS and IOS XE Software",
"vendor": "Cisco",
"versions": [
{
"status": "affected",
"version": "3.8.0S"
},
{
"status": "affected",
"version": "3.8.1S"
},
{
"status": "affected",
"version": "3.8.2S"
},
{
"status": "affected",
"version": "3.9.1S"
},
{
"status": "affected",
"version": "3.9.0S"
},
{
"status": "affected",
"version": "3.9.2S"
},
{
"status": "affected",
"version": "3.9.1aS"
},
{
"status": "affected",
"version": "3.9.0aS"
},
{
"status": "affected",
"version": "3.10.0S"
},
{
"status": "affected",
"version": "3.10.1S"
},
{
"status": "affected",
"version": "3.10.2S"
},
{
"status": "affected",
"version": "3.10.3S"
},
{
"status": "affected",
"version": "3.10.4S"
},
{
"status": "affected",
"version": "3.10.5S"
},
{
"status": "affected",
"version": "3.10.6S"
},
{
"status": "affected",
"version": "3.10.2aS"
},
{
"status": "affected",
"version": "3.10.2tS"
},
{
"status": "affected",
"version": "3.10.7S"
},
{
"status": "affected",
"version": "3.10.8S"
},
{
"status": "affected",
"version": "3.10.8aS"
},
{
"status": "affected",
"version": "3.10.9S"
},
{
"status": "affected",
"version": "3.10.10S"
},
{
"status": "affected",
"version": "3.11.1S"
},
{
"status": "affected",
"version": "3.11.2S"
},
{
"status": "affected",
"version": "3.11.0S"
},
{
"status": "affected",
"version": "3.11.3S"
},
{
"status": "affected",
"version": "3.11.4S"
},
{
"status": "affected",
"version": "3.12.0S"
},
{
"status": "affected",
"version": "3.12.1S"
},
{
"status": "affected",
"version": "3.12.2S"
},
{
"status": "affected",
"version": "3.12.3S"
},
{
"status": "affected",
"version": "3.12.0aS"
},
{
"status": "affected",
"version": "3.12.4S"
},
{
"status": "affected",
"version": "3.13.0S"
},
{
"status": "affected",
"version": "3.13.1S"
},
{
"status": "affected",
"version": "3.13.2S"
},
{
"status": "affected",
"version": "3.13.3S"
},
{
"status": "affected",
"version": "3.13.4S"
},
{
"status": "affected",
"version": "3.13.5S"
},
{
"status": "affected",
"version": "3.13.2aS"
},
{
"status": "affected",
"version": "3.13.5aS"
},
{
"status": "affected",
"version": "3.13.6S"
},
{
"status": "affected",
"version": "3.13.7S"
},
{
"status": "affected",
"version": "3.13.6aS"
},
{
"status": "affected",
"version": "3.13.6bS"
},
{
"status": "affected",
"version": "3.13.7aS"
},
{
"status": "affected",
"version": "3.13.8S"
},
{
"status": "affected",
"version": "3.13.9S"
},
{
"status": "affected",
"version": "3.13.10S"
},
{
"status": "affected",
"version": "3.14.0S"
},
{
"status": "affected",
"version": "3.14.1S"
},
{
"status": "affected",
"version": "3.14.2S"
},
{
"status": "affected",
"version": "3.14.3S"
},
{
"status": "affected",
"version": "3.14.4S"
},
{
"status": "affected",
"version": "3.15.0S"
},
{
"status": "affected",
"version": "3.15.1S"
},
{
"status": "affected",
"version": "3.15.2S"
},
{
"status": "affected",
"version": "3.15.1cS"
},
{
"status": "affected",
"version": "3.15.3S"
},
{
"status": "affected",
"version": "3.15.4S"
},
{
"status": "affected",
"version": "3.16.0S"
},
{
"status": "affected",
"version": "3.16.1S"
},
{
"status": "affected",
"version": "3.16.1aS"
},
{
"status": "affected",
"version": "3.16.2S"
},
{
"status": "affected",
"version": "3.16.0bS"
},
{
"status": "affected",
"version": "3.16.0cS"
},
{
"status": "affected",
"version": "3.16.3S"
},
{
"status": "affected",
"version": "3.16.2bS"
},
{
"status": "affected",
"version": "3.16.4aS"
},
{
"status": "affected",
"version": "3.16.4bS"
},
{
"status": "affected",
"version": "3.16.4gS"
},
{
"status": "affected",
"version": "3.16.5S"
},
{
"status": "affected",
"version": "3.16.4cS"
},
{
"status": "affected",
"version": "3.16.4dS"
},
{
"status": "affected",
"version": "3.16.4eS"
},
{
"status": "affected",
"version": "3.16.6S"
},
{
"status": "affected",
"version": "3.16.5aS"
},
{
"status": "affected",
"version": "3.16.5bS"
},
{
"status": "affected",
"version": "3.16.7S"
},
{
"status": "affected",
"version": "3.16.6bS"
},
{
"status": "affected",
"version": "3.16.7aS"
},
{
"status": "affected",
"version": "3.16.7bS"
},
{
"status": "affected",
"version": "3.16.8S"
},
{
"status": "affected",
"version": "3.17.0S"
},
{
"status": "affected",
"version": "3.17.1S"
},
{
"status": "affected",
"version": "3.17.2S"
},
{
"status": "affected",
"version": "3.17.1aS"
},
{
"status": "affected",
"version": "3.17.3S"
},
{
"status": "affected",
"version": "3.17.4S"
},
{
"status": "affected",
"version": "16.2.1"
},
{
"status": "affected",
"version": "16.2.2"
},
{
"status": "affected",
"version": "16.3.1"
},
{
"status": "affected",
"version": "16.3.2"
},
{
"status": "affected",
"version": "16.3.3"
},
{
"status": "affected",
"version": "16.3.1a"
},
{
"status": "affected",
"version": "16.3.4"
},
{
"status": "affected",
"version": "16.3.5"
},
{
"status": "affected",
"version": "16.3.6"
},
{
"status": "affected",
"version": "16.3.7"
},
{
"status": "affected",
"version": "16.4.1"
},
{
"status": "affected",
"version": "16.4.2"
},
{
"status": "affected",
"version": "16.4.3"
},
{
"status": "affected",
"version": "16.5.1"
},
{
"status": "affected",
"version": "16.5.1b"
},
{
"status": "affected",
"version": "16.5.2"
},
{
"status": "affected",
"version": "16.5.3"
},
{
"status": "affected",
"version": "3.18.0aS"
},
{
"status": "affected",
"version": "3.18.1S"
},
{
"status": "affected",
"version": "3.18.0SP"
},
{
"status": "affected",
"version": "3.18.1SP"
},
{
"status": "affected",
"version": "3.18.1aSP"
},
{
"status": "affected",
"version": "3.18.2aSP"
},
{
"status": "affected",
"version": "3.18.3SP"
},
{
"status": "affected",
"version": "3.18.4SP"
},
{
"status": "affected",
"version": "3.18.3aSP"
},
{
"status": "affected",
"version": "3.18.3bSP"
},
{
"status": "affected",
"version": "3.18.5SP"
},
{
"status": "affected",
"version": "16.6.1"
},
{
"status": "affected",
"version": "16.6.2"
},
{
"status": "affected",
"version": "16.6.3"
},
{
"status": "affected",
"version": "16.6.4"
},
{
"status": "affected",
"version": "16.6.4s"
},
{
"status": "affected",
"version": "16.7.1"
},
{
"status": "affected",
"version": "16.7.1a"
},
{
"status": "affected",
"version": "16.7.1b"
},
{
"status": "affected",
"version": "16.7.2"
},
{
"status": "affected",
"version": "16.7.3"
},
{
"status": "affected",
"version": "16.8.1"
},
{
"status": "affected",
"version": "16.8.1s"
},
{
"status": "affected",
"version": "16.8.1d"
}
]
}
]
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
7.5 High
AI Score
Confidence
High
0.002 Low
EPSS
Percentile
52.3%