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
7.4 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
42.7%
In Phoenix Contact FL SWITCH SMCS series products in multiple versions if an attacker sends a hand-crafted TCP-Packet with the Urgent-Flag set and the Urgent-Pointer set to 0, the network stack will crash. The device needs to be rebooted afterwards.
CPE | Name | Operator | Version |
---|---|---|---|
phoenixcontact:fl_switch_smcs_16tx_firmware | phoenixcontact fl switch smcs 16tx firmware | le | 4.70 |
[
{
"product": "FL SWITCH",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThanOrEqual": "4.70",
"status": "affected",
"version": "SMCS 16TX (2700996)",
"versionType": "custom"
},
{
"lessThanOrEqual": "4.70",
"status": "affected",
"version": "SMCS 14TX/2FX (2700997)",
"versionType": "custom"
},
{
"lessThanOrEqual": "4.70",
"status": "affected",
"version": "SMCS 14TX/2FX-SM (2701466)",
"versionType": "custom"
},
{
"lessThanOrEqual": "4.70",
"status": "affected",
"version": "SMCS 8GT (2891123)",
"versionType": "custom"
},
{
"lessThanOrEqual": "4.70",
"status": "affected",
"version": "SMCS 6GT/2SFP (2891479)",
"versionType": "custom"
},
{
"lessThanOrEqual": "4.70",
"status": "affected",
"version": "SMCS 8TX-PN (2989103)",
"versionType": "custom"
},
{
"lessThanOrEqual": "4.70",
"status": "affected",
"version": "SMCS 4TX-PN (2989093)",
"versionType": "custom"
},
{
"lessThanOrEqual": "4.70",
"status": "affected",
"version": "SMCS 8TX (2989226)",
"versionType": "custom"
},
{
"lessThanOrEqual": "4.70",
"status": "affected",
"version": "SMCS 6TX/2SFP (2989323)",
"versionType": "custom"
},
{
"lessThanOrEqual": "4.70",
"status": "affected",
"version": "SMN 6TX/2POF-PN (2700290)",
"versionType": "custom"
},
{
"lessThanOrEqual": "4.70",
"status": "affected",
"version": "SMN 8TX-PN (2989501)",
"versionType": "custom"
},
{
"lessThanOrEqual": "4.70",
"status": "affected",
"version": "SMN 6TX/2FX (2989543)",
"versionType": "custom"
},
{
"lessThanOrEqual": "4.70",
"status": "affected",
"version": "SMN 6TX/2FX SM (2989556)",
"versionType": "custom"
}
]
},
{
"product": "FL NAT",
"vendor": "Phoenix Contact",
"versions": [
{
"lessThanOrEqual": "4.63",
"status": "affected",
"version": "SMN 8TX (2989365)",
"versionType": "custom"
},
{
"lessThanOrEqual": "4.63",
"status": "affected",
"version": "SMN 8TX-M (2702443)",
"versionType": "custom"
}
]
}
]
More
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
7.4 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
42.7%