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
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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
40.3%
A vulnerability has been identified in SIMATIC S7-1200 (All versions), SIMATIC S7-1500 (All Versions < V2.6). An attacker could exhaust the available connection pool of an affected device by opening a sufficient number of connections to the device. Successful exploitation requires an attacker to be able to send packets to port 102/tcp of the affected device. No user interaction and no user privileges are required to exploit the vulnerability. The vulnerability, if exploited, could cause a Denial-of-Service condition impacting the availability of the system. At the time of advisory publication no public exploitation of this vulnerability was known.
Vendor | Product | Version | CPE |
---|---|---|---|
siemens | simatic_s7-1200_firmware | - | cpe:2.3:o:siemens:simatic_s7-1200_firmware:-:*:*:*:*:*:*:* |
siemens | simatic_s7-1200 | - | cpe:2.3:h:siemens:simatic_s7-1200:-:*:*:*:*:*:*:* |
siemens | simatic_s7-1500_firmware | * | cpe:2.3:o:siemens:simatic_s7-1500_firmware:*:*:*:*:*:*:*:* |
siemens | simatic_s7-1500 | - | cpe:2.3:h:siemens:simatic_s7-1500:-:*:*:*:*:*:*:* |
[
{
"product": "SIMATIC S7-1200, SIMATIC S7-1500",
"vendor": "Siemens AG",
"versions": [
{
"status": "affected",
"version": "SIMATIC S7-1200 : All versions"
},
{
"status": "affected",
"version": "SIMATIC S7-1500 : All Versions < V2.6"
}
]
}
]
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
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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
40.3%