CVE-2021-33720
Published on: 09/14/2021 12:00:00 AM UTC
Last Modified on: 12/14/2021 08:58:00 PM UTC
Certain versions of Siprotec 5 With Cpu Variant Cp050 from Siemens contain the following vulnerability:
A vulnerability has been identified in SIPROTEC 5 relays with CPU variants CP050 (All versions < V8.80), SIPROTEC 5 relays with CPU variants CP100 (All versions < V8.80), SIPROTEC 5 relays with CPU variants CP300 (All versions < V8.80). Specially crafted packets sent to port 4443/tcp could cause a Denial-of-Service condition.
- CVE-2021-33720 has been assigned by
[email protected] to track the vulnerability - currently rated as HIGH severity.
- Affected Vendor/Software:
Siemens - SIPROTEC 5 relays with CPU variants CP050 version All versions < V8.80
- Affected Vendor/Software:
Siemens - SIPROTEC 5 relays with CPU variants CP100 version All versions < V8.80
- Affected Vendor/Software:
Siemens - SIPROTEC 5 relays with CPU variants CP300 version All versions < V8.80
CVSS3 Score: 7.5 - HIGH
Attack Vector ⓘ |
Attack Complexity |
Privileges Required |
User Interaction |
---|---|---|---|
NETWORK | LOW | NONE | NONE |
Scope | Confidentiality Impact |
Integrity Impact |
Availability Impact |
UNCHANGED | NONE | NONE | HIGH |
CVSS2 Score: 5 - MEDIUM
Access Vector ⓘ |
Access Complexity |
Authentication |
---|---|---|
NETWORK | LOW | NONE |
Confidentiality Impact |
Integrity Impact |
Availability Impact |
NONE | NONE | PARTIAL |
CVE References
Description | Tags ⓘ | Link |
---|---|---|
cert-portal.siemens.com application/pdf |
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Related QID Numbers
- 590713 Siemens SIPROTEC 5 relays (Update A) Multiple Vulnerabilities (ICSA-21-257-10)
Known Affected Configurations (CPE V2.3)
Type | Vendor | Product | Version | Update | Edition | Language |
---|---|---|---|---|---|---|
Operating System | Siemens | Siprotec 5 With Cpu Variant Cp050 | All | All | All | All |
Operating System | Siemens | Siprotec 5 With Cpu Variant Cp100 | All | All | All | All |
Operating System | Siemens | Siprotec 5 With Cpu Variant Cp200 | All | All | All | All |
Operating System | Siemens | Siprotec 5 With Cpu Variant Cp300 | All | All | All | All |
- cpe:2.3:o:siemens:siprotec_5_with_cpu_variant_cp050:*:*:*:*:*:*:*:*:
- cpe:2.3:o:siemens:siprotec_5_with_cpu_variant_cp100:*:*:*:*:*:*:*:*:
- cpe:2.3:o:siemens:siprotec_5_with_cpu_variant_cp200:*:*:*:*:*:*:*:*:
- cpe:2.3:o:siemens:siprotec_5_with_cpu_variant_cp300:*:*:*:*:*:*:*:*:
No vendor comments have been submitted for this CVE
Social Mentions
Source | Title | Posted (UTC) |
---|---|---|
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CVE-2021-33720 : A vulnerability has been identified in SIPROTEC 5 relays with CPU variants CP050 All versions < V… twitter.com/i/web/status/1… | 2021-09-14 10:57:17 |