CVE-2021-40364
CVSS V2 Low 2.1
CVSS V3 Medium 5.5
Description
A vulnerability has been identified in SIMATIC PCS 7 V8.2 (All versions), SIMATIC PCS 7 V9.0 (All versions < V9.0 SP3 UC04), SIMATIC PCS 7 V9.1 (All versions < V9.1 SP1), SIMATIC WinCC V15 and earlier (All versions < V15 SP1 Update 7), SIMATIC WinCC V16 (All versions < V16 Update 5), SIMATIC WinCC V17 (All versions < V17 Update 2), SIMATIC WinCC V7.4 (All versions < V7.4 SP1 Update 19), SIMATIC WinCC V7.5 (All versions < V7.5 SP2 Update 5). The affected systems store sensitive information in log files. An attacker with access to the log files could publicly expose the information or reuse it to develop further attacks on the system.
Overview
- CVE ID
- CVE-2021-40364
- Assigner
- productcert@siemens.com
- Vulnerability Status
- Modified
- Published Version
- 2021-11-09T12:15:10
- Last Modified Date
- 2023-04-11T10:15:10
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:siemens:simatic_pcs_7:*:*:*:*:*:*:*:* | 1 | OR | 8.2 | |
| cpe:2.3:a:siemens:simatic_pcs_7:*:*:*:*:*:*:*:* | 1 | OR | 9.0 | 9.1 |
| cpe:2.3:a:siemens:simatic_pcs_7:9.1:-:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:siemens:simatic_wincc:*:*:*:*:*:*:*:* | 1 | OR | 7.4 | |
| cpe:2.3:a:siemens:simatic_wincc:7.5:-:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:siemens:simatic_wincc:7.5:sp1:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:siemens:simatic_wincc:7.5:sp1_update1:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:siemens:simatic_wincc:7.5:sp1_update2:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:siemens:simatic_wincc:7.5:sp2:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:siemens:simatic_wincc:7.5:sp2_update1:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:siemens:simatic_wincc:7.5:sp2_update2:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:siemens:simatic_wincc:7.5:sp2_update3:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:siemens:simatic_wincc:7.5:sp2_update4:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:siemens:simatic_wincc:15:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:siemens:simatic_wincc:16:-:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:siemens:simatic_wincc:16:update1:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:siemens:simatic_wincc:16:update2:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:siemens:simatic_wincc:16:update3:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:siemens:simatic_wincc:16:update4:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:siemens:simatic_wincc:17:-:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:siemens:simatic_wincc:17:update1:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:L/AC:L/Au:N/C:P/I:N/A:N
- Access Vector
- LOCAL
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 2.1
- Severity
- LOW
- Exploitability Score
- 3.9
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- Attack Vector
- LOCAL
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- NONE
- Base Score
- 5.5
- Base Severity
- MEDIUM
- Exploitability Score
- 1.8
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://cert-portal.siemens.com/productcert/pdf/ssa-840188.pdf | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-40364 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40364 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 15:43:37 | Added to TrackCVE | |||
| 2022-12-05 14:07:39 | 2021-11-09T12:15Z | 2021-11-09T12:15:10 | CVE Published Date | updated |
| 2022-12-05 14:07:39 | 2022-07-28T17:00:12 | CVE Modified Date | updated | |
| 2022-12-05 14:07:39 | Analyzed | Vulnerability Status | updated | |
| 2023-04-11 12:11:17 | 2023-04-11T10:15:10 | CVE Modified Date | updated | |
| 2023-04-11 12:11:17 | Analyzed | Modified | Vulnerability Status | updated |