CVE-2020-7586
4.6 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:P/A:P
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.5 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
20.8%
A vulnerability has been identified in SIMATIC PCS 7 V8.2 and earlier (All versions), SIMATIC PCS 7 V9.0 (All versions < V9.0 SP3), SIMATIC PDM (All versions < V9.2), SIMATIC STEP 7 V5.X (All versions < V5.6 SP2 HF3), SINAMICS STARTER (containing STEP 7 OEM version) (All versions < V5.4 HF2). A buffer overflow vulnerability could allow a local attacker to cause a Denial-of-Service situation. The security vulnerability could be exploited by an attacker with local access to the affected systems. Successful exploitation requires user privileges but no user interaction. The vulnerability could allow an attacker to compromise the availability of the system as well as to have access to confidential information.
Affected configurations
CNA Affected
[
{
"product": "SIMATIC PCS 7 V8.2 and earlier",
"vendor": "Siemens",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
},
{
"product": "SIMATIC PCS 7 V9.0",
"vendor": "Siemens",
"versions": [
{
"status": "affected",
"version": "All versions < V9.0 SP3"
}
]
},
{
"product": "SIMATIC PDM",
"vendor": "Siemens",
"versions": [
{
"status": "affected",
"version": "All versions < V9.2"
}
]
},
{
"product": "SIMATIC STEP 7 V5.X",
"vendor": "Siemens",
"versions": [
{
"status": "affected",
"version": "All versions < V5.6 SP2 HF3"
}
]
},
{
"product": "SINAMICS STARTER (containing STEP 7 OEM version)",
"vendor": "Siemens",
"versions": [
{
"status": "affected",
"version": "All versions < V5.4 HF2"
}
]
}
]References
Social References
More
Related
4.6 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:P/A:P
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.5 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
20.8%