CVE-2020-7586
CVSS V2 Medium 4.6
CVSS V3 High 7.8
Description
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.
Overview
- CVE ID
- CVE-2020-7586
- Assigner
- productcert@siemens.com
- Vulnerability Status
- Modified
- Published Version
- 2020-06-10T17:15:12
- Last Modified Date
- 2021-04-22T21:15:09
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:siemens:simatic_pcs_7:*:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:siemens:simatic_process_device_manager:*:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:siemens:simatic_step_7:*:*:*:*:*:*:*:* | 1 | OR | 5.6 | |
| cpe:2.3:a:siemens:simatic_step_7:5.6:-:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:siemens:simatic_step_7:5.6:sp1:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:siemens:simatic_step_7:5.6:sp2:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:siemens:simatic_step_7:5.6:sp2_hotfix1:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:siemens:sinamics_starter:*:*:*:*:*:*:*:* | 1 | OR | 5.4 | |
| cpe:2.3:a:siemens:sinamics_starter:5.4:-:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:L/AC:L/Au:N/C:P/I:P/A:P
- Access Vector
- LOCAL
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 4.6
- Severity
- MEDIUM
- Exploitability Score
- 3.9
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- LOCAL
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 7.8
- Base Severity
- HIGH
- Exploitability Score
- 1.8
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://cert-portal.siemens.com/productcert/pdf/ssa-689942.pdf | Vendor Advisory |
| https://www.us-cert.gov/ics/advisories/icsa-20-161-05 | Third Party Advisory US Government Resource |
| https://us-cert.cisa.gov/ics/advisories/icsa-20-161-05 |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-7586 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-7586 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:14:39 | Added to TrackCVE | |||
| 2022-12-04 17:49:23 | 2020-06-10T17:15Z | 2020-06-10T17:15:12 | CVE Published Date | updated |
| 2022-12-04 17:49:23 | 2021-04-22T21:15:09 | CVE Modified Date | updated | |
| 2022-12-04 17:49:23 | Modified | Vulnerability Status | updated |