CVE-2021-40363

CVSS V2 Low 2.1 CVSS V3 High 7.8
Description
A vulnerability has been identified in SIMATIC PCS 7 V8.2 (All versions), SIMATIC PCS 7 V9.0 (All versions), 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 V17 (All versions <= V17 Update 4), SIMATIC WinCC V7.4 (All versions < V7.4 SP1 Update 19), SIMATIC WinCC V7.5 (All versions < V7.5 SP2 Update 6). The affected component stores the credentials of a local system account in a potentially publicly accessible project file using an outdated cipher algorithm. An attacker may use this to brute force the credentials and take over the system.
Overview
  • CVE ID
  • CVE-2021-40363
  • Assigner
  • productcert@siemens.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2022-02-09T16:15:13
  • Last Modified Date
  • 2022-10-06T16:46:47
Weakness Enumerations
CWE URL
CWE-538 http://cwe.mitre.org/data/definitions/538.html
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_7:9.0:-:*:*:*:*:*:* 1 OR
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:7.4:-:*:*:*:*:*:* 1 OR
cpe:2.3:a:siemens:simatic_wincc:7.4:sp1:*:*:*:*:*:* 1 OR
cpe:2.3:a:siemens:simatic_wincc:7.4:sp1_update1:*:*:*:*:*:* 1 OR
cpe:2.3:a:siemens:simatic_wincc:7.4:sp1_update10:*:*:*:*:*:* 1 OR
cpe:2.3:a:siemens:simatic_wincc:7.4:sp1_update11:*:*:*:*:*:* 1 OR
cpe:2.3:a:siemens:simatic_wincc:7.4:sp1_update12:*:*:*:*:*:* 1 OR
cpe:2.3:a:siemens:simatic_wincc:7.4:sp1_update13:*:*:*:*:*:* 1 OR
cpe:2.3:a:siemens:simatic_wincc:7.4:sp1_update14:*:*:*:*:*:* 1 OR
cpe:2.3:a:siemens:simatic_wincc:7.4:sp1_update15:*:*:*:*:*:* 1 OR
cpe:2.3:a:siemens:simatic_wincc:7.4:sp1_update16:*:*:*:*:*:* 1 OR
cpe:2.3:a:siemens:simatic_wincc:7.4:sp1_update17:*:*:*:*:*:* 1 OR
cpe:2.3:a:siemens:simatic_wincc:7.4:sp1_update18:*:*:*:*:*:* 1 OR
cpe:2.3:a:siemens:simatic_wincc:7.4:sp1_update2:*:*:*:*:*:* 1 OR
cpe:2.3:a:siemens:simatic_wincc:7.4:sp1_update3:*:*:*:*:*:* 1 OR
cpe:2.3:a:siemens:simatic_wincc:7.4:sp1_update4:*:*:*:*:*:* 1 OR
cpe:2.3:a:siemens:simatic_wincc:7.4:sp1_update5:*:*:*:*:*:* 1 OR
cpe:2.3:a:siemens:simatic_wincc:7.4:sp1_update6:*:*:*:*:*:* 1 OR
cpe:2.3:a:siemens:simatic_wincc:7.4:sp1_update7:*:*:*:*:*:* 1 OR
cpe:2.3:a:siemens:simatic_wincc:7.4:sp1_update8:*:*:*:*:*:* 1 OR
cpe:2.3:a:siemens:simatic_wincc:7.4:sp1_update9:*:*:*:*:*:* 1 OR
cpe:2.3:a:siemens:simatic_wincc:7.4:update_1:*:*:*:*:*:* 1 OR
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:7.5:sp2_update5:*:*:*:*:*:* 1 OR
cpe:2.3:a:siemens:simatic_wincc:13:-:*:*:*:*:*:* 1 OR
cpe:2.3:a:siemens:simatic_wincc:13:sp1:*:*:*:*:*:* 1 OR
cpe:2.3:a:siemens:simatic_wincc:13:sp2:*:*:*:*:*:* 1 OR
cpe:2.3:a:siemens:simatic_wincc:14.0.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:siemens:simatic_wincc:15:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:siemens:simatic_wincc:15.1:-:*:*:*:*:*:* 1 OR
cpe:2.3:a:siemens:simatic_wincc:15.1:update_1:*:*:*:*:*:* 1 OR
cpe:2.3:a:siemens:simatic_wincc:15.1:update_2:*:*:*:*:*:* 1 OR
cpe:2.3:a:siemens:simatic_wincc:15.1:update_3:*:*:*:*:*:* 1 OR
cpe:2.3:a:siemens:simatic_wincc:15.1:update_4:*:*:*:*:*:* 1 OR
cpe:2.3:a:siemens:simatic_wincc:15.1:update_5:*:*:*:*:*:* 1 OR
cpe:2.3:a:siemens:simatic_wincc:15.1:update_6:*:*:*:*:*:* 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:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 7.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 1.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://cert-portal.siemens.com/productcert/pdf/ssa-914168.pdf Patch Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-40363
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40363
History
Created Old Value New Value Data Type Notes
2022-05-10 15:43:37 Added to TrackCVE
2022-12-06 08:54:27 2022-02-09T16:15Z 2022-02-09T16:15:13 CVE Published Date updated
2022-12-06 08:54:27 2022-10-06T16:46:47 CVE Modified Date updated
2022-12-06 08:54:27 Analyzed Vulnerability Status updated