CVE-2020-15787
CVSS V2 Medium 5
CVSS V3 Critical 9.8
Description
A vulnerability has been identified in SIMATIC HMI Unified Comfort Panels (All versions <= V16). Affected devices insufficiently validate authentication attempts as the information given can be truncated to match only a set number of characters versus the whole provided string. This could allow a remote attacker to discover user passwords and obtain access to the Sm@rt Server via a brute-force attack.
Overview
- CVE ID
- CVE-2020-15787
- Assigner
- productcert@siemens.com
- Vulnerability Status
- Modified
- Published Version
- 2020-09-09T19:15:19
- Last Modified Date
- 2021-06-08T20:15:07
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:o:siemens:simatic_hmi_united_comfort_panels_firmware:*:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:h:siemens:simatic_hmi_united_comfort_panels:-:*:*:*:*:*:*:* | 0 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:P/I:N/A:N
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 5
- Severity
- MEDIUM
- Exploitability Score
- 10
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 9.8
- Base Severity
- CRITICAL
- Exploitability Score
- 3.9
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://cert-portal.siemens.com/productcert/pdf/ssa-542525.pdf | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-15787 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15787 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:12:16 | Added to TrackCVE | |||
| 2022-12-04 22:17:42 | 2020-09-09T19:15Z | 2020-09-09T19:15:19 | CVE Published Date | updated |
| 2022-12-04 22:17:42 | 2021-06-08T20:15:07 | CVE Modified Date | updated | |
| 2022-12-04 22:17:42 | Modified | Vulnerability Status | updated |