The OPC autogenerated ANSI C stack stubs (in the NodeSets) do not handle all error cases. This can lead to a NULL pointer dereference.
References
| Link | Resource |
|---|---|
| https://cert-portal.siemens.com/productcert/pdf/ssa-285795.pdf | Patch Third Party Advisory |
| https://files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2021-45117.pdf | Patch Vendor Advisory |
| https://www.youtube.com/watch?v=qv-RBdCaV4k | Exploit Third Party Advisory |
Configurations
Configuration 1 (hide)
|
Configuration 2 (hide)
|
History
03 Sep 2022, 03:55
| Type | Values Removed | Values Added |
|---|---|---|
| References | (CONFIRM) https://cert-portal.siemens.com/productcert/pdf/ssa-285795.pdf - Patch, Third Party Advisory | |
| CPE | cpe:2.3:a:siemens:simatic_net_pc:16:-:*:*:*:*:*:* cpe:2.3:a:siemens:telecontrol_server_basic:3.0:*:*:*:*:*:*:* cpe:2.3:a:siemens:simatic_net_pc:14:-:*:*:*:*:*:* cpe:2.3:a:siemens:simatic_net_pc:15:-:*:*:*:*:*:* cpe:2.3:a:siemens:sitop_manager:-:*:*:*:*:*:*:* cpe:2.3:a:siemens:simatic_net_pc:17:-:*:*:*:*:*:* |
10 May 2022, 12:15
| Type | Values Removed | Values Added |
|---|---|---|
| References |
|
28 Mar 2022, 17:17
| Type | Values Removed | Values Added |
|---|---|---|
| CPE | cpe:2.3:a:opcfoundation:ua-nodeset:*:*:*:*:*:*:*:* | |
| CVSS |
v2 : v3 : |
v2 : 4.3
v3 : 6.5 |
| CWE | CWE-476 | |
| References | (MISC) https://files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2021-45117.pdf - Patch, Vendor Advisory | |
| References | (MISC) https://www.youtube.com/watch?v=qv-RBdCaV4k - Exploit, Third Party Advisory |
21 Mar 2022, 15:15
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2022-03-21 15:15
Updated : 2024-02-04 22:29
NVD link : CVE-2021-45117
Mitre link : CVE-2021-45117
CVE.ORG link : CVE-2021-45117
JSON object : View
Products Affected
opcfoundation
- ua-nodeset
siemens
- simatic_net_pc
- sitop_manager
- telecontrol_server_basic
CWE
CWE-476
NULL Pointer Dereference