CVE-2020-27263
CVSS V2 Medium 6.4
CVSS V3 Critical 9.1
Description
KEPServerEX: v6.0 to v6.9, ThingWorx Kepware Server: v6.8 and v6.9, ThingWorx Industrial Connectivity: All versions, OPC-Aggregator: All versions, Rockwell Automation KEPServer Enterprise, GE Digital Industrial Gateway Server: v7.68.804 and v7.66, Software Toolbox TOP Server: All 6.x versions, are vulnerable to a heap-based buffer overflow. Opening a specifically crafted OPC UA message could allow an attacker to crash the server and potentially leak data.
Overview
- CVE ID
- CVE-2020-27263
- Assigner
- ics-cert@hq.dhs.gov
- Vulnerability Status
- Analyzed
- Published Version
- 2021-01-14T00:15:13
- Last Modified Date
- 2021-01-21T16:10:30
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:ge:industrial_gateway_server:7.66:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:ge:industrial_gateway_server:7.68.804:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:ptc:kepware_kepserverex:6.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:ptc:kepware_kepserverex:6.9:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:ptc:opc-aggregator:-:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:ptc:thingworx_industrial_connectivity:-:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:ptc:thingworx_kepware_server:6.8:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:ptc:thingworx_kepware_server:6.9:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:rockwellautomation:kepserver_enterprise:6.6.504.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:rockwellautomation:kepserver_enterprise:6.9.572.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:softwaretoolbox:top_server:*:*:*:*:*:*:*:* | 1 | OR | 6.0 | 6.9 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:P/I:N/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- Base Score
- 6.4
- Severity
- MEDIUM
- Exploitability Score
- 10
- Impact Score
- 4.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 9.1
- Base Severity
- CRITICAL
- Exploitability Score
- 3.9
- Impact Score
- 5.2
References
| Reference URL | Reference Tags |
|---|---|
| https://us-cert.cisa.gov/ics/advisories/icsa-20-352-02 | Third Party Advisory US Government Resource |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-27263 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27263 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:26:37 | Added to TrackCVE | |||
| 2022-12-05 20:12:01 | 2021-01-14T00:15Z | 2021-01-14T00:15:13 | CVE Published Date | updated |
| 2022-12-05 20:12:01 | 2021-01-21T16:10:30 | CVE Modified Date | updated | |
| 2022-12-05 20:12:01 | Analyzed | Vulnerability Status | updated |