CVE-2021-42022
CVSS V2 Low 3.5
CVSS V3 Medium 6.5
Description
A vulnerability has been identified in SIMATIC eaSie PCS 7 Skill Package (All versions < V21.00 SP3). When downloading files, the affected systems do not properly neutralize special elements within the pathname. An attacker could then cause the pathname to resolve to a location outside of the restricted directory on the server and read unexpected critical files. The affected file download function is disabled by default.
Overview
- CVE ID
- CVE-2021-42022
- Assigner
- productcert@siemens.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-12-14T12:15:09
- Last Modified Date
- 2021-12-17T19:20:09
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:siemens:simatic_easie_pcs_7_skill:*:*:*:*:*:*:*:* | 1 | OR | 20.07 | |
| cpe:2.3:a:siemens:simatic_easie_pcs_7_skill:21.00:-:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:siemens:simatic_easie_pcs_7_skill:21.00:sp1:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:siemens:simatic_easie_pcs_7_skill:21.00:sp2:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:S/C:P/I:N/A:N
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- SINGLE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 3.5
- Severity
- LOW
- Exploitability Score
- 6.8
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- NONE
- Base Score
- 6.5
- Base Severity
- MEDIUM
- Exploitability Score
- 2.8
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://cert-portal.siemens.com/productcert/pdf/ssa-199605.pdf | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-42022 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-42022 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:40:44 | Added to TrackCVE | |||
| 2022-12-06 03:42:42 | 2021-12-14T12:15Z | 2021-12-14T12:15:09 | CVE Published Date | updated |
| 2022-12-06 03:42:42 | 2021-12-17T19:20:09 | CVE Modified Date | updated | |
| 2022-12-06 03:42:42 | Analyzed | Vulnerability Status | updated |