CVE-2021-34594
CVSS V2 High 8.5
CVSS V3 Medium 6.5
Description
TwinCAT OPC UA Server in TF6100 and TS6100 in product versions before 4.3.48.0 or with TcOpcUaServer versions below 3.2.0.194 are prone to a relative path traversal that allow administrators to create or delete any files on the system.
Overview
- CVE ID
- CVE-2021-34594
- Assigner
- info@cert.vde.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-11-04T10:15:07
- Last Modified Date
- 2021-11-06T02:40:06
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:o:beckhoff:tf6100_firmware:*:*:*:*:*:*:*:* | 1 | OR | 4.3.48.0 | |
| cpe:2.3:h:beckhoff:tf6100:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:beckhoff:ts6100_firmware:*:*:*:*:*:*:*:* | 1 | OR | 4.3.48.0 | |
| cpe:2.3:h:beckhoff:ts6100:-:*:*:*:*:*:*:* | 0 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:S/C:N/I:C/A:C
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- SINGLE
- Confidentiality Impact
- NONE
- Integrity Impact
- COMPLETE
- Availability Impact
- COMPLETE
- Base Score
- 8.5
- Severity
- HIGH
- Exploitability Score
- 8
- Impact Score
- 9.2
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- HIGH
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 6.5
- Base Severity
- MEDIUM
- Exploitability Score
- 1.2
- Impact Score
- 5.2
References
| Reference URL | Reference Tags |
|---|---|
| https://cert.vde.com/en/advisories/VDE-2021-051/ | Mitigation Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-34594 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34594 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:48:06 | Added to TrackCVE | |||
| 2022-12-05 13:49:40 | 2021-11-04T10:15Z | 2021-11-04T10:15:07 | CVE Published Date | updated |
| 2022-12-05 13:49:40 | 2021-11-06T02:40:06 | CVE Modified Date | updated | |
| 2022-12-05 13:49:40 | Analyzed | Vulnerability Status | updated |